Sustainable Builder Magazine - Spring 2011

Sustainable Builder

Sustainable Builder

Sustainable Builder

Sustainable Builderspring 2011 • Vol. 2, issue 1

Old School Values Keep Him on the Leading Edge

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CONTENTS2 Can HVAC Fix the Political Vacuum?

3 It’s Time to Re-Examine HVAC Controls

4 Getting to Know Your HVAC Association: The Name is New, but the Industry Mandate Remains the Same

8 Being the Change

10 Sourcing Recycled Content- Building Materials

12 The Virtual Roundtable

14 Effective Ventilation in Large Homes

16 Is Information the Forth Utility?

18 Innovative Home Energy System Harnesses Power of Sun

20 Growing Calls for Zero-Energy Homes

22 Sustaining the Future by Reclaiming the Past

24 Renewable Builder Showcase Royal Pine Homes

26 COVER STORY Old School Values Keep Him on the Leading Edge

31 Like a Green Phoenix

32 Who’s Afraid of the Big Bad Furnace?

33 Enbridge Ranks as a World Leader in Green

34 Solar Site Planning – Part 2

36 Green by Example

38 Site Specific- A Site-level Look at Those Who are Making Sustainability Happen

40 When is the Right Time to Choose Renewable Energy?

41 Pink is the New Green

42 Adapting to Climate Change: Insurance Industry Developing a Safety Accreditation for Builders

44 Rainwater Harvesting Guidelines for Ontario

46 Not All High-Efficiency Furnaces are the Same – Just as a Buick is not a Lexus

48 Speaking in Code– Regulating Energy Ratings for Houses

Sustainable BuilderSustainable Builderspring 2011 • Vol. 2, issue 1


www.sBMagazine.ca

ON THE COVER:Mike Martino, winner of BILD Trade Contractor

of the Year award and Energy Minister Brad Duguid

spring2011

� sBM spring �011

Sustainable Builder

Sustainable Builder

Sustainable Builder

Sustainable Builder256 Doris Ave. Unit 2109Toronto, ON M2N6X8

416-898-0835 • fax 416-250-6322www.SBMagazine.ca

Sustainable Builder Magazine is a sponsor of

Publishing Editor: Lenard Hart Hart.Lenard@gmailcom

This is a quarterly publication.Subscription rates:

$24 annually or $7 per single copy. To advertise, contribute a story, or get on our distribution list, please contact:

[email protected]

Submit news, events, or articles to: [email protected]

Feature Writer: Tracy HanesCopy Editor: Jennifer D. Foster

Creative: Tony Lomuto Graphic Designs Unlimited

Photographer: Graham Dickhout Photography

Contributing Authors:Gord Cooke • Greg Cooke • Chris Despins

Stephen Dupuis • David Flood John Godden • Sam Goldberg • Lenard Hart

Michael Lio • Peter Love • Ashley Smith

Copyright by Sustainable Builder Magazine.Contents may not be reprinted or

reproduced without the publisher’s written permission at [email protected].

The opinions expressed herein are those of the authors exclusively and assumed to be original work. Sustainable Builder Magazine can not be held liable for any damage as a result of publishing such works.

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Can HVAC Fix the political Vacuum?

It’s no surprise that as environmental and energy-efficiency issues become more mainstream they also become more political. Originally, green was more of a left-versus-right or fringe-versus-centre debate. Now the politics

are more cynical and more subtle. Recently, the Ontario government, after taking much positive press for its

Green Energy Act, announced that it’s not proceeding with proposed offshore wind projects while further scientific research is conducted: Applications for off-shore wind projects in the Feed-In-Tariff program will no longer be accepted and current applications will be suspended. This absurd position (What difference could there be between on and offshore wind power, and why would Ontario’s freshwater installations be any different than the hundreds of other successful saltwater installations this technology?) only makes sense from a political per-spective: Keep the reactionary element placated by stopping offshore wind.

Likewise, the wildly successful ecoENERGY program, a tweaking of the equally successful EnerGuide for Houses program, has been shut down with only a slim prospect of renewal for in the near future. This has sent the home-assessment industry into a death spiral again. (Remember, it’s not the first time the Harper minority has done this.) This, too, only makes sense as a political manoeuvre: Use the environment as a bargaining to tool to get the needed support to stay in power.

So, while the Ontario Liberal and Conservative parties try to pander to the immediate concerns of rising energy bills, at the expense of long-term global cli-mate change, and while the federal Conservative Party continues to do nothing on the climate change file, and Canadian politics becomes ever more cynical and pandering, the rest of us have to get on with our business. Here’s the news flash: the government isn’t going to save us on this one…we have to do it on our own.

Having an HVAC contractor on the cover of this builder magazine was a tough choice, and regardless of how he got there, Mike Martino is now part of the solution. Like so many other business featured in this magazine, he has found that efficiency sells, and so does indoor air quality, healthy, green, and smart technology. Its good for consumer’s and its good for business.

For me, this is the crux of the sustainability movement. The homebuilding industry does not make as good a poster child for sustainability as your local-organic-yoga-aromatherapy store, but I will bet my future on the kind of real change going on in this industry over the fashionable green trends evidenced in others.

The fact is that the construction industry has a lasting impact on the environ-ment, and changing that legacy and this industry is not a matter of trends and fashion. Change in this industry requires innovation, leadership, and a sound business case.

We focus a lot on innovation and leadership in this magazine. Whether it’s a new HVAC technology or an early adaptor of a European Energy Label, we will cover it. What we wanted to stress this issue was the third component: economics.

In order to address real climate change, we need real action, and that is not going to be done by government or think tanks, policy wonks or even the local-organic-yoga-aromatherapy crowd. It will be done by those who do the work, run the businesses, employ the trades, and drive the economy.

In this current political leadership vacuum, we are celebrating all those who make their living doing the jobs that contribute to sustainable building, while reducing our collective impact on the environment.

Sincerely, Lenard Hart, Publishing Editor

sBM spring �011 �

Far too many offic-es that use com-

mercial HVAC equipment are still controlled by out-dated technology, thus lim-iting opportunities avail-able to contractors. All HVAC contractors should be able to identify and demonstrate at least a few of the most cost-effective applications of the control options now available.

A typical office is occupied from 8 a.m. to 5 p.m., which leaves the potential for 15 hours of energy-saving downtime. Heat transfer across a building enclosure is a di-rect function of the temperature difference across the walls, windows, and ceiling as-semblies. If the outside temperature is -20° C and the indoor setting is at 20° C dur-ing the day but 15° C at night, heat flow throughout the unoccupied period will be reduced by 5/40 = 12.5 per cent. Prorated over a 24-hour period, this would amount to an energy savings of almost 8 per cent in heating costs on cold days and an even high-er percentage of savings on milder days.

There really is no merit in the old argu-ment that the energy needed to warm up the building in the morning negates any savings you might gain over the night. The energy saved during the cooling-down pe-riod is roughly equal to the energy need-ed to reheat, with the real savings coming from the extended lower temperature dif-ferential during the setback period. Where there may be some merits, however, is in the complaints that the first generation of digital setback thermostats were difficult to read, program and maintain. Most of those issues have been completely resolved by the industry’s leading manufacturers.

Companies such as Emerson, White Rodgers, and Honeywell have led the way with second-generation building controls

and have produced more accurate controllers that have defined ranges to lim-it occupant misuse.

Some higher-end ther-mostats can guarantee an accuracy of +/-1° F. This level of accuracy, resulting

from better sensor and anticipation tech-nology, eliminates many of the tempera-ture swings that used to lead to the tamper-ing of settings and comfort complaints and also ensures optimal energy use. Managing the comfort expectations of a wide range of occupants in an office can be further en-hanced by features such as adding a second remote temperature sensor, allowing the av-eraging and/or weighting of temperatures across different spaces.

Specifically designed for commercial ap-plications, the enhanced lockout selections and adjustable temperature limit rang-es allow occupants some measure of con-trol, while maintaining the integrity of pre-programmed set points. This type of secu-rity combined with better, more intuitive touch-screen displays offer much more en-ergy performance predictability.

Newer thermostats can control fans, fresh air dampers, compressor run times, and other accessories, all from a single loca-tion. While this may require running addi-tional wires, it allows for the optimization of energy use and of indoor air-quality con-trol and comfort.

Another excellent control opportunity is in existing buildings with high but variable occupancy levels, such as schools, offices and fitness or entertainment facilities. Their poorly controlled HVAC systems that have fixed ventilation rates required for proper air quality control dominate the total heat-ing and cooling loads and lead to tempera-ture-based comfort issues.

Ideally, ventilation would be provided through an energy recovery ventilation sys-tem; however, the capital cost and complex-ity of adding an ERV in an existing build-ing may be prohibitive. A more affordable strategy would be to apply an occupancy-based sensor control such as a carbon di-oxide control. Carbon dioxide levels are an excellent indicator of ventilation needs for people. The new generation of CO2 sensor technology avoids the need for annual cali-bration and can provide a stable output sig-nal proportional to detected levels of carbon dioxide. This signal can easily be linked to variable-speed fan motors or damper con-trols within the fresh-air intakes or econo-mizer sections of existing roof-top HVAC equipment.

The result of such a CO2-controlled ven-tilation system is a reduction of the energy needed to reheat or pre-cool fresh air dur-ing low-occupancy periods, while still al-lowing for optimal air-quality control dur-ing peak periods. Demand controlled venti-lation (DCV) can be cost effective in many applications with the addition of controls and modifications to fan and damper con-trols.

Bottom line: it’s time for HVAC spe-cialists to talk to their commercial clients about improving the HVAC controls. It’s a tremendous opportunity for service work in slower months from existing small busi-ness owners who can appreciate the value of energy savings and it’s not hard to demon-strate how new thermostats (or even some CO2 sensors) is a great investment, improv-ing comfort and air-quality levels, as well as overall building performance. And, with an installed cost of only $600, it can offer an ROI of between 10 to 12 percent.

Gord Cooke is the President of Building Knowledge Canada

It’s Time to Re-Examine

HVAC Controls

By

gord Cooke



The Name is New, but the Industry Mandate remains the SameBy Tracy Hanes

The role of residential contractors, who install heating, ventilation, and air-conditioning systems in homes and condominiums, is becoming more complex.

No longer just the people who install furnaces, these con-tractors must be knowledgeable not only about heating, but al-so about ventilation, humidification, cooling, and indoor air quality. And, they must be able to design systems specifically suited to each project. Residential contractors must be able to integrate the latest technologies, such as high-velocity systems, in-floor radiant heating, and combination systems.

That is why the Toronto-Residential Air Handling Group is now known as the Heating, Ventilation, Air Conditioning Contractors Association (HVACA). The board of directors felt a rebranding was necessary, to better reflect the scope of work of today’s heating contractors.

“It’s not just going out and putting in a furnace, hanging

ductwork and installing an air conditioning unit, like the old days. A lot of people don’t understand that it’s a lot more in-volved in the process of selecting a proper heating system,” says HVACA Executive Director Domenic di Battista.

Though its name is new, the group’s history dates back to September 4, 1968, when the Residential Sheet Metal Con-tractors Association was incorporated as a non-profit trade as-sociation, to represent nine member contractors in any matters pertaining to the residential sheet metal industry. Over time as membership increased the association’s name was changed to the Toronto-Residential Air Handling Group, to reflect the di-versity of the members and capture the essence of the scope of work at the time.

Currently, the association represents 31 member residential contracting companies that perform about 80 per cent of new heating and air conditioning installations across the GTA as well in Hamilton, Kitchener-Waterloo, Muskoka and Durham region. HVACA members come from many HVAC sectors,

Getting to Know Your HVAC Association:


carrying on the business of manufacturing, fabri-cation, assembling, han-dling, erection, installa-tion, dismantling, recon-ditioning, adjustment, al-teration, repairing, and servicing of sheet metal work, and of equipment such as controls, insula-tion, piping and refriger-ation associated with ventilation, air conditioning, and warm air heating. Members of the association employ unionized workers represented by Sheet Metal Workers International Association, Lo-cal Union No. 285

The association’s mandate is to represent its members in any matters pertaining to the residential sheet metal contracting industry, and when necessary, to negotiate on their behalf as may appear to be in the best interest of the industry; and to represent members in any matter pertaining to the building and construction industry.

By hiring HVACA members, builders are assured they are getting professionals with the proper training, certification, and expertise in designing and installing systems. The member contractors will take into con-

sideration factors like heat gains and loss, air infiltration and building envelope when designing a heating system.

Member contractors involved in the highrise sector are governed by engineered mechanical drawings and specifica-tions. They must ensure that systems they install will perform in accordance with the design criteria. They work alongside other trades and co-ordinate their installation to ensure the components fit in the allowed mechanical space.

HVACA members are governed by the Ontario Building Code, local municipal bylaws, the Technical Standards and Safety Authority (TSSA), Tarion, the Sheet Metal and Air

Conditioning Contractors National Association (SMACNA), and the American Society of Heating, Refrigeration and Air Condi-tioning Engineers (ASHRAE).

The association is an accredited bargaining agent under the La-bour Relations Act, permitted to negotiate on behalf of mem-bers’ in ways that are reflect the best interests of the residen-tial sheet metal contracting in-dustry. It also represents mem-bers of the association in mat-ters pertaining to the building and construction industry in its accredited areas in Ontario.


The Sheet Metal Workers Local 285 has represented work-ers for more than 50 years in the Greater Toronto Ar-ea, says union business manager Louie Petricca. The ar-ea covered has spread far beyond Toronto, and the union

now has 1,200 members, sheet metal workers, gas fitters, and pro-duction workers in the residential sector.

“The people who hire our workers can assure themselves that the workers are properly qualified and are guaranteed that the work will be done and done correctly,” says Petricca. “Ninety-nine per cent of the work will be done on time and on budget.”

Petricca agrees with di Battista, in pointing out that the nature of the work his members are doing has become increasingly more complex.

“There has been a big change in the demands put on our mem-bers,” he explains. “The work has become much more technical with the building industry becoming concerned about energy savings, green energy, and efficiency. It’s all been passed down to the trades, and they need to know a lot more to be efficient.”

The union started in Ontario in 1957, and Petricca says that was the era when energy conservation wasn’t a consideration and relatively small houses had large yet inefficient furnaces. “Now you have larger houses with very efficient small furnaces,” he notes.

The boom in condominium construction has also meant his union members have had to adapt to the times, learning how to work on myriad condo projects that have sprung up across the GTA.


“Systems in the condos have evolved more dramatically than in [low-rise] housing,” says Petricca, “from central heating and cooling systems to individual units in each suite. A lot of condo suites are much smaller than a house, but still need the same comfort. Our members need to know the proper workings and installation.”

He notes that now, condos are including more compact systems, like high-velocity and combination water/air heating units.

HVACA employs Local 285 members, and here’s how Petricca ex-plains the two groups’ roles.

“The association knows the direction the market is taking and the skills our members will need in the future. Our job is to make sure our members will have the skills they need. Historically, we have been setting standards in the industry with the association,” he says. “When it comes to negotiating wages, we’re often on opposite sides of the tables, but when it comes to running the industry, we’re on the same side.

We make sure they have the best-trained workers, so we can achieve the ultimate goal of having employment for our members.”

The union operates a training facility for its members at its To-ronto headquarters in Etobicoke, and is actively trying to attract new workers to the trade.

The union works on regulating government intake of appren-ticeships, attends high-school career fairs, for example, and is also involved in Hammerheads, a program which helps guide high-risk youth to skilled-trade careers.


By Lenard Hart and John Godden

This is a new feature for Sustainable Builder Maga-zine; we are highlighting new products and tech-nologies that are potential game-changers. The col-

umn is focused on those technologies, products, or prac-tices we think have the potential to transform the mar-ket in some way. These are not advertisements or endorse-ments, and we make no claims as to accuracy, so check with the manufacturers for full details.

Panasonic WhisperComfort™ Spot ERV Ceiling Insert Ventilator with Balanced Ventilation with Capillary Core.Range: 10 - 40 CFMPower: 23 watts @ 40 CFMHeating efficiency: 66% @ 30 CFMCooling efficiency: 36% @ 29 CFMOffering heat recovery and balanced ventilation in a very small space, Panasonic’s new WhisperComfort Spot ERV may be the ideal product for retrofitting older homes.www.panasonic.com

Honeywell WT6500 Wind TurbineSize: 6 ft. or 1.8 mWeight: 185 lbs or 84 kgSound: 35 dB at 10 ft.Blades: Enclosed in a fixed shroudVibration: NegligibleTypical production: 1500 kWh per yearThis is a continuous motion wind turbine that generates power on the blade tips, rather than at the hub like conventional wind turbines. This lightweight, quiet turbine operates in as little as 0.5 mph or 0.2 m/s wind speed could provide new opportunities for the urban wind-power generation. Mounts on poles, flat, or peaked roofs.www.honeywell.com

GE GeoSpringTM Hybrid Water Heater Fuel type: electricCapacity: 50 gal.First hour recovery: 63 gal.Energy factor 2.35 in hybrid mode Power: 240 watts, 60 HzStand by consumption: 2 wattsThis hybrid tank can run off-electric resistance heat, off the heat pump, or both. It also has five modes: eHeat™, hybrid, high demand mode, and standard electric modes, plus a 3 to 90-day vacation setting. With a 2.35 energy factor in hybrid mode, this 50-gallon tank boasts savings of 62% or $320 per year. www.ge.ca

FlowMax 120 Condensing Tankless Combination Water HeaterEfficiency = 98.4%Max. heat output: 123,670 BTU/hr.Min. heat output: 33,200 BTU/hr.DHW flow rate: at Δ 45° F rise = 5.3 Gpm or 14 LminWith a modulating Viessman core, this unit is affordable and powerful enough to heat a home and supply endless hot water. www.flowmaxtechnologies.com

Philips 12 Watt LED replacement bulbOutput: 800LumensColour temperature: 2700K (soft white)Operation: Instant-on light, dimmable to 10% of full light levelsRated life: 25,000 hours rated average Mercury levels: 0.00Phillips LED replacement for a 60-watt incandescent bulb is now the first of its kind to earn an ENERGY STAR rating from the US EPA. While it uses the about the same power as a compact fluorescent, it has no mercury and lasts much longer. www.phillips.ca

Passive House CertificationEnvelope performance = 15 kw/m/aBuilding performance = 45 kw/m/aAir tightness = 0.6 AHC @ -50 PaThermal bridging = near zeroThe R2000 program started it all, and ENERGY STAR for New Homes got the production builders back and interested in higher-efficiency housing. Since then several new labels have been vying for attention, but none has the potential to change the industry like Passive House. With its focus on the envelope, preventing thermal bridging, and extreme airtightness levels, this label could truly change the way we build. Currently, it’s getting a lot of buzz, including SHSC looking at Passive House retrofit potential for their low-income properties. Currently only for the earliest of adopters, once the big insulation companies get behind this movement it could well gain builder uptake. www.passivehouse-international.org

Being the Change


R-4_SustainableBuilder.indd 1 26/03/10 12:00:41

10 sBM spring �011

By: David Flood

We all recognize the benefits of sourcing green building ma-terials and increasing the availability of low-impact prod-ucts and materials across the industry. Sustainable build-

ing products not only cut down on energy consumption and pollu-tion, but they can also help promote Canada’s commitment to using green materials, products, and technology on building sites that help to reduce our overall carbon footprint. There are choices that we, as those involved in the building industry, can make to help alleviate the impact on the environment, starting by using renewable, recycled materials from the ground up. As has become all too clear, our reluc-tance to decrease our dependence on non-renewable resources is be-coming a costly battle.

Jeff Rubin, a world-renowned energy expert and author of Why Your World Is About To Get A Whole Lot Smaller (Random House Canada, 2009), suggests the production of oil, the world’s most im-portant energy source, may have already peaked and may be on the way toward depletion.

The fragility of the world we live in, coupled with the scarcity of its resources, means we have to be mindful of how our activities and our choices impact the environment. And that means being energy- and resource-efficient, and educating our customers to do the same. While we have limited control of the behaviour of others, we can cer-tainly influence our own energy-consumption patterns and those of our customers who rely on our expertise and decision-making skills when it comes to determining the best building materials for the proj-ect.

It may not be a surprise to learn that 98 per cent of Canadian con-sumers expect energy efficiency, according to a J.D. Power & Asso-ciates survey conducted for EnerQuality Corporation in 2008. Con-sumer demand for energy-efficient homes, products, and materials has been on the rise in recent years, with no signs of slowing down anytime soon. Research also shows that customer spending on resi-dential green buildings is set to rise by 35 per cent between 2006 and

2013, according to McGraw-Hill Construction’s The Green Home Builder SmartMarket Report from 2008. So, what does this mean for the building industry?

Despite builders citing risk and cost as the most frequent barriers to using green building materials (cf. Jamie James, Sustainable Build-er Magazine, winter 2010 issue), there are foundational elements that are not timely or costly that can be used to help achieve an energy-ef-ficient, sustainable structure.

Poor insulation, resulting in cold floors, uneven heating levels, and mould on walls, increases the inefficient consumption of energy in homes (www.cmhc-schl.gc.ca), meaning insulation is a cost-efficient and reliable resource for ensuring the energy efficiency of a home.

Sealing and insulating are key factors in helping a building achieve LEED Certification, creating an energy-efficient building, and help-ing residential and commercial buildings become more airtight, all of which can help increase energy efficiency and reduce the overall en-vironmental impact. It’s important to identify and rely on manufac-turers and suppliers that deliver the performance to support this in-centive.

A blower-door test recently conducted after installation of the sys-tem at the framing stage in Guelph, Ont., tested 0.97 ACH at 50 Pa at the framing stage. In comparison, ENERGY STAR homes are coming in at 2.5 ACH at 50 Pa at the pre-delivery stage, showing that the performance of Owens Corning insulation is out-performing cur-rent requirements when it comes to creating energy-efficient homes.

Owens Corning is not only a leading manufacturer of energy-sav-ing insulation, but it also produces composites used in wind turbine blades that generate renewable energy worldwide. However, 40 per cent of global energy consumption and associated greenhouse gas (GHG) emissions are still coming from homes and buildings1.

This means that despite our best efforts to source means of renew-able energy, there is still a need to create more energy-efficient homes and buildings to combat this issue. Implementing energy-efficient re-sources and material in the building process is one way to start any project off on the right foot. See page 14

Sourcing Recycled Content-Building Materials

Eric Legault, insulation expert from Owens Corning, demonstrates the ease of installation when using new Owens Corning EcoTouch™ PINK™ FIBErGLaS® Insulation for an attic re-insulation project

sBM spring �011 11

Each home you build will have many owners.But there’s only one planet earth.

THE PINK PANTHER™ & © 1964-2011 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved. The colour PINK is a registered trademark of Owens Corning. Certifi ed Thermal Insulation Material CCD-016. *70% recycled content is based on the average recycled glass content in all Owens Corning fi berglass batts, rolls, and unbonded loosefi ll insulation manufactured in Canada. **Made with a minimum of 99% by weight natural materials consisting of minerals and plant-based compounds. The GREENGUARD INDOOR AIR QUALITY CERTIFIEDSM Mark is a registered certifi cation mark used under licence through the GREENGUARD Environmental Institute. This declaration may only be used with products that have been verifi ed to be formaldehyde free by GEI. The formaldehyde free mark may not be used alone. It must accompany the appropriate GREENGUARD Certifi cation mark. Owens Corning PINK insulation is GREENGUARD Certifi ed for indoor air quality, except bonded loosefi ll products. LEED is a registered trademark of U.S. Green Building Council. © 2011 Owens Corning. All Rights Reserved.

1-800-GET-PINK® or visit www.owenscorning.ca

Think PINKTM

*

You’re committed to building better quality homes

with higher energy effi ciency and more respect

for the planet. That’s why we created EcoTouch™ PINK™ FIBERGLAS®

Insulation. It’s made from natural** materials, it’s formaldehyde-free

and it’s guaranteed to provide the same thermal performance that

Canadians have counted on for decades. For an insulation product

that’s durable and dependable, think PINK™. It’s the best way to go green.

Why choose EcoTouch™ PINK™?• Designed by the leaders in energy effi ciency • Made from over 70%* recycled content• Made with natural** materials and formaldehyde-free• Softer, easier to handle & less dusty• Durable & dependable• GREENGUARD Indoor Air Quality Certifi edSM

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1� sBM spring �011

I find it hard to comment on the industry as a whole, but I can give some insight into what I have experienced as part of Reid’s Heritage Homes.

Being a builder who is situated outside the GTA, I think the main driver for green building uptake in the marketplace has been the above-code requirements set by municipalities within the GTA. In the places we build, there are no such initiatives yet, so we’ve seen a much more modest increase in consumer uptake of green homes. It seems to me the drivers are more external and regulatory than market driven. And that means that they’ll last as long as the regulations do; and those regulations will likely last only as long as consumers will tolerate them.

My company builds green homes, but on a market-driven basis. We sell through the value proposition of added resale value, better comforts, healthier indoor environments, and low fuel costs, so our customer know what they are getting. We train our sales staff on this, and we approach change carefully and incrementally.

We are much more inclined to include higher value-added items, like an HRV, that improves energy savings and IAQ than, say, bam-boo flooring which has a harder- to-define societal benefit. This is the reality of market-driven green building.

As for what the future looks like, it’s clear to me the 2012 code changes will take up a considerable amount of resources and re-quire a lot of teamwork on our part. We need to work with staff, trades, sales, and even local building officials to make sure we have a smooth transition to the new code. This will naturally impact that amount of time and attention we’ll be paying to non code-related green issues. For this reason, we’ll be taking a more strategic ap-proach to green, but I certainly think we’ll continue to have some form of green offering for our customers.

Andy Oding, LEED ApOperations ManagerReid’s Heritage Homes

The ViRTual RoundTaBle

Q: Last year marked a watershed for green building in On-tario, with more than 20 per cent of low-rise and a rap-idly growing number of high-rise buildings certifying to one

of the green labels in the marketplace. What do you think were the most significant factors increasing green labelling in 2010? What does 2011 look like in terms of green building? And do you feel the pend-ing changes to the Ontario Building Code will affect the percentage of green-labelled building in 2012?

Each issue, Sustainable Builder Magazine will ask a question to a select group of industry experts to get some insight into pressing issues. This issues’ question is:

More projects having a green label is not a surprise. With the increasing awareness of environmental issues, consumers are going to look for some indication that a builder-developer is addressing these concerns. Many consumers do their research to learn what the various labels mean. Others will turn to experts in the industry - builders and developers - and place trust in their knowledge.

From the industry side of things, it is good to see leadership be-ing taken by many builders and “raising of the bar,” with respect to green construction. No doubt many builders build more green-ly grudgingly when regulations force them to do so, but I believe the vast majority of builders (and trades and suppliers) want to find a way to do the right thing. In fact, I have come across some sup-pliers who were following many of the standards set out in LEED, but were unaware they were doing so. Had the information been available to them sooner, they would have been able to market their green contributions much sooner.

And, this is the biggest challenge for green home labels: Un-less the consumer and the industry are fully versed in what makes a building or project green, it’s nothing more than a marketing la-bel. The home building industry needs to work with the regula-tory bodies to better define what green construction is and edu-cate the consumers on the merits of the various certification labels. There are some green features that cannot be regulated by the On-tario Building Code (which is primarily concerned about safety and home quality), but are identified in labels like LEED-Canada for New Homes (which also draws attention to community amenities, healthy lifestyle, material use, etc.).

The label should make it clear how the construction addresses three green issues: (1) conservation of energy, water, and other re-sources; (2) consideration of the materials used and their lifecycle; and (3) the methods of applied construction and waste manage-ment. It really doesn’t matter if the number of labelled buildings in-creases or decreases in the future, as long as the quality of the con-struction in these three areas continues to improve.

Akash sinhaPresidentDharma Developments

sBM spring �011 1�

I believe green labelling increased during 2010 for the follow-ing two reasons:

1. Consumer awareness; and2. More accessible builder offerings.

I can’t pinpoint any particular event or milestone that would have spurred consumer awareness. I believe awareness has in-creased as a natural evolution of education over time, both through media and general discussion. Green building techniques, labels, products, etc., are constantly in the media (mostly print), and it has become a common point of discussion, with most people looking into real estate investment or personal changes.

Builders have become much more sophisticated in their green offerings. ENERGY STAR as a standard or upgrade option is now available from most builders in the GTA. And 2010 saw increased builder green participation and acceptance for several self-explana-tory reasons:

1. Customer awareness and demand;2. Ease of adopting ENERGY STAR practices;3. Ease of selling Energy Star as an optional upgrade; and 4. Builder awareness of pending building code changes that will incorporate many ENERGY STAR- related features.As for 2011, I believe the impact on current green labeling will

remain strong. However, increased energy efficiency standards of the building code, which begin January 1, 2012, will dramatical-ly reduce builder and consumer interest for increased ENERGY STAR offerings above the new code. The payback and impact of the forthcoming version of ENERGY STAR will be much lower than previously experienced. If builders want to continue offering green labelling choices to their customers, they’ll have to choose other initiatives other than the energy- efficiency improvements available through ENERGY STAR. These initiatives will likely lead to choic-es such as indoor air quality, water conservation, solar alternatives, ground-source heating, and cooling alternatives. The payback of these green offerings are not as dramatic as ENERGY STAR, so builders will be challenged getting customers to consider these new options. Builders will, instead, have to determine how to incorpo-rate new initiatives into their building standards, so they can be of-fered to their customers as a standard selling feature and not as op-tional upgrades.

M. David speigel p.Eng.Executive Vice-President, Operations

Tribute Communities

In my opinion the “success” of green labelling in 2010 in the GTA was not so much market driven as it was politically mandat-ed by municipalities through the planning process. It was sold to councils and staff more than it was sold to end-users and it ulti-mately served more of a political purpose. Without these artificial drivers, I think the uptake would have been much lower.

As for 2011, we’re still inheriting the decisions made years ago through the planning process, so I expect much of the same. I be-lieve the 2012 OBC changes make green labels far less likely to be a market-driven upgrade as the cost-benefit equation in regard to energy efficiency becomes less attractive.

It appears that energy-efficiency targets for future code chang-es will out-pace market transformation. Sustainability, more gen-erally speaking, is still (unfortunately) a niche market, in my opin-ion, but it may represent an opportunity for some builders to dif-ferentiate themselves.

I also believe, especially in the GTA, affordability is a looming issue. It’s becoming clear that homeowners are spending far too much of their disposable income on housing, and it is detrimental to the overall economy when there is little spending ability left af-ter paying for the necessities like shelter.

Unsustainable economics do not fit well with sustainable build-ing. There needs to be an attractive value proposition for custom-ers, not just ever-higher first costs. Right now, the incentives, in terms of fuel costs and waste costs, etc., are still not decisive. So, until the day comes that we pay the true environmental cost of en-ergy and products we use, I feel the market transformation we all hope for may still be a ways away.

Lou BadaConstruction Manager

Starlane Homes


Greater competi-tion for less de-velopable land,

increasing development charges, and the HST are changing the landscape in residential home building. To increase yields, many builders are starting to build semi-de-tached homes and townhouses. Gross floor areas are shrinking, and fewer occupants are living in those dwellings. Housing form is changing, and with an overlay of energy effi-ciency we need to have another look at effec-tive efficient ventilation.

In the new code, mechanical designers and builders may want to rethink their ven-tilation strategies. With ENERGY STAR Version 5.0 (NRCan’s Common Spec: EN-ERGY STAR for New Homes - Technical Specifications in Ontario - January 2011), we now have a prescriptive standard for at-tached houses that does not recognize the importance of HRVs. They are not included in trade-off packages. Tighter construction of party walls resulting from improvements in blower-door testing means that conven-tional exhaust-only systems may not provide ventilation within the range of operation re-quired. Standard exhaust fans cannot pro-vide sufficient ventilation, which depends on air displacement (that is, fresh air coming in

as stale air is going out).Anyone who has ev-

er “shot gunned” a can of beer understands the ba-sic concept. The second hole in the bottom of the

can allows for rapid displacement of the liq-uid. This is balanced supply!!!. More innova-tive HRV manufacturers are thinking of ba-by units, but they face a cost barrier because of a high installation costs associated with a forced-air system. Lifebreath has a so-lution with vent max, as the HRV is integrated with a hydronic fan coil for con-do applications. Currently this unit is not recognized by the Heating and Venti-lation Institute and does not get credit for its heat-recovery contribution that could yield a higher EnerGuide rating. Builders will need this credit when ENERGY STAR moves to EnerGuide 83 on the EnerGuide Rating Sys-tem (ERS) after 2012.

In airtight dwellings, balanced ventilation systems are a prerequisite for superior indoor air quality. Panasonic has two ventilation strategies that meet the whole house require-ments of the American Society of Heating, Refrigeration and Air Conditioning of Engi-

neers (ASHRAE) 62.2, which is used in the LEED-Canada for Homes program. A two-bedroom stacked townhouse. at 1,200 sq.ft. requires 34.5 cubic feet per minute (CFM) of mechanical ventilation. At 7.5 CFM per bedroom (the master bedroom times 2), plus 1 CFM per 100 sq.ft. The Whisper Comfort Spot Energy Recovery Ventilator (ERV) op-erates in a central location to provide between 10 and 40 CFM, with 66 per cent heat re-

covery. It is installed like a regular exhaust fan, except it requires two 4-inch flex connections. Its installed cost is less than half of a normal ERV. The second approach could be a DC variable-speed exhaust fan that could provide bath-

room exhaust and whole-house ventilation. The fan runs on a lower setting to provide the driving force for trickle vents in bed-rooms. These passive air inlets wash the walls with 12 or 18 CFM, without drafts or dis-comfort. A single fan and control could cov-er the principal and total ventilation capaci-ty of newer, higher-density residential units. Indoor air quality and ventilation perfor-mance is an easy way for sustainable build-ers to differentiate themselves in a changing marketplace.

Effective Ventilation in Large HomesBy

Johngodden

Continued from page 10Owens Corning also produces sustainable insulation products like

its new EcoTouch™ PINK™ FIBERGLAS® insulation – the latest in-novation in insulation from the company that invented fiberglass in-sulation 70 years ago and has continued that leadership in fiberglass technology.2 Made with PureFiber™ Technology, the new EcoTouch™ PINK™ FIBERGLAS® insulation products are designed with atten-tion to the needs of the environment. They use a formaldehyde-free formulation, made with natural* materials and manufactured with more than 70 per cent** recycled content, the highest in the indus-try in Canada. As well as guaranteed thermal performance for the life of one’s home, EcoTouch™ PINK™ FIBERGLAS® insulation products install quickly and easily, and perhaps most importantly, create signifi-cant savings*** on heating and cooling bills. Re-insulating an attic, for example, will help any homeowner save up to 28**** per cent on heat-ing and cooling bills.

In addition, the EcoTouch™ PINK™ FIBERGLAS® insulation products are third-party GREENGUARD Indoor Air Quality Cer-tified SM, GREENGUARD Children & Schools CertifiedSM , and are verified to be formaldehyde-free. EcoTouch™ PINK™ FIBER-

GLAS® insulation is also certified under the EcoLogoCM Program CCD-016 certification criteria for thermal insulation materials, mak-ing Owens Corning fiberglass batt insulation a smart choice for home energy savings and sustainable building projects.

This is one example of a product which, in addition to its strong functional benefits, helps save both money and the planet. It only goes to prove that when Canadian builders include sustainability in their structural decisions, they may also get better value for their money – a double incentive to make energy-efficient choices.

* Made with a minimum of 99 per cent by weight natural materials consist-ing of minerals and plant-based compounds.

** More than 70 per cent* recycled content, based on the average recycled glass content in all Owens Corning fiberglass batts, rolls, and unbonded loosefill insulation manufactured in Canada.

*** Savings vary depending on the original amount of insulation in your home, climate, house size, air leaks, personal energy use, and living habits.

****Based on an average attic size of 1700 SF, with existing R19 insulation, averaged over seven cities in Canada.

David Flood is an insulation expert with Owens Corning.



WhisperGreen™

Ventilation Fans–the perfect choice when every watt counts.To qualify for Energy Star, ventilation fans must meet key effi ciency criteria including a minimum effi cacy level.

Our latest generation of WhisperGreen fans are an incredible 390%-816%* more effi cient than minimum Energy Star standards, so when planning your next project consider choosing a fan from our WhisperGreen line.

To learn more about Panasonic WhisperGreen ventilation fans visit www.panasonic.ca or call 1-800-669-5165* based on Energy Star Key Effi ciency Criteria minimum effi cacy level for Residential Ventilating Fansas of Feb 16, 2011 using data from the HVI Certifi ed Ventilation Fan Product list dated Feb 1 2011.

Panasonic made the Prestigious Global 100 Most Sustainable Companies list for 2011.

PanaVentAd_SAB_ad_v2.indd 1 11-03-03 10:54 AM

Greater competi-tion for less de-velopable land,

increasing development charges, and the HST are changing the landscape in residential home building. To increase yields, many builders are starting to build semi-de-tached homes and townhouses. Gross floor areas are shrinking, and fewer occupants are living in those dwellings. Housing form is changing, and with an overlay of energy effi-ciency we need to have another look at effec-tive efficient ventilation.

In the new code, mechanical designers and builders may want to rethink their ven-tilation strategies. With ENERGY STAR Version 5.0 (NRCan’s Common Spec: EN-ERGY STAR for New Homes - Technical Specifications in Ontario - January 2011), we now have a prescriptive standard for at-tached houses that does not recognize the importance of HRVs. They are not included in trade-off packages. Tighter construction of party walls resulting from improvements in blower-door testing means that conven-tional exhaust-only systems may not provide ventilation within the range of operation re-quired. Standard exhaust fans cannot pro-vide sufficient ventilation, which depends on air displacement (that is, fresh air coming in

as stale air is going out).Anyone who has ev-

er “shot gunned” a can of beer understands the ba-sic concept. The second hole in the bottom of the

can allows for rapid displacement of the liq-uid. This is balanced supply!!!. More innova-tive HRV manufacturers are thinking of ba-by units, but they face a cost barrier because of a high installation costs associated with a forced-air system. Lifebreath has a so-lution with vent max, as the HRV is integrated with a hydronic fan coil for con-do applications. Currently this unit is not recognized by the Heating and Venti-lation Institute and does not get credit for its heat-recovery contribution that could yield a higher EnerGuide rating. Builders will need this credit when ENERGY STAR moves to EnerGuide 83 on the EnerGuide Rating Sys-tem (ERS) after 2012.

In airtight dwellings, balanced ventilation systems are a prerequisite for superior indoor air quality. Panasonic has two ventilation strategies that meet the whole house require-ments of the American Society of Heating, Refrigeration and Air Conditioning of Engi-

neers (ASHRAE) 62.2, which is used in the LEED-Canada for Homes program. A two-bedroom stacked townhouse. at 1,200 sq.ft. requires 34.5 cubic feet per minute (CFM) of mechanical ventilation. At 7.5 CFM per bedroom (the master bedroom times 2), plus 1 CFM per 100 sq.ft. The Whisper Comfort Spot Energy Recovery Ventilator (ERV) op-erates in a central location to provide between 10 and 40 CFM, with 66 per cent heat re-

covery. It is installed like a regular exhaust fan, except it requires two 4-inch flex connections. Its installed cost is less than half of a normal ERV. The second approach could be a DC variable-speed exhaust fan that could provide bath-

room exhaust and whole-house ventilation. The fan runs on a lower setting to provide the driving force for trickle vents in bed-rooms. These passive air inlets wash the walls with 12 or 18 CFM, without drafts or dis-comfort. A single fan and control could cov-er the principal and total ventilation capaci-ty of newer, higher-density residential units. Indoor air quality and ventilation perfor-mance is an easy way for sustainable build-ers to differentiate themselves in a changing marketplace.

Effective Ventilation in Large HomesBy

Johngodden

Continued from page 10Owens Corning also produces sustainable insulation products like

its new EcoTouch™ PINK™ FIBERGLAS® insulation – the latest in-novation in insulation from the company that invented fiberglass in-sulation 70 years ago and has continued that leadership in fiberglass technology.2 Made with PureFiber™ Technology, the new EcoTouch™ PINK™ FIBERGLAS® insulation products are designed with atten-tion to the needs of the environment. They use a formaldehyde-free formulation, made with natural* materials and manufactured with more than 70 per cent** recycled content, the highest in the indus-try in Canada. As well as guaranteed thermal performance for the life of one’s home, EcoTouch™ PINK™ FIBERGLAS® insulation products install quickly and easily, and perhaps most importantly, create signifi-cant savings*** on heating and cooling bills. Re-insulating an attic, for example, will help any homeowner save up to 28**** per cent on heat-ing and cooling bills.

In addition, the EcoTouch™ PINK™ FIBERGLAS® insulation products are third-party GREENGUARD Indoor Air Quality Cer-tified SM, GREENGUARD Children & Schools CertifiedSM , and are verified to be formaldehyde-free. EcoTouch™ PINK™ FIBER-

GLAS® insulation is also certified under the EcoLogoCM Program CCD-016 certification criteria for thermal insulation materials, mak-ing Owens Corning fiberglass batt insulation a smart choice for home energy savings and sustainable building projects.

This is one example of a product which, in addition to its strong functional benefits, helps save both money and the planet. It only goes to prove that when Canadian builders include sustainability in their structural decisions, they may also get better value for their money – a double incentive to make energy-efficient choices.

* Made with a minimum of 99 per cent by weight natural materials consist-ing of minerals and plant-based compounds.

** More than 70 per cent* recycled content, based on the average recycled glass content in all Owens Corning fiberglass batts, rolls, and unbonded loosefill insulation manufactured in Canada.

*** Savings vary depending on the original amount of insulation in your home, climate, house size, air leaks, personal energy use, and living habits.

****Based on an average attic size of 1700 SF, with existing R19 insulation, averaged over seven cities in Canada.

David Flood is an insulation expert with Owens Corning.



By Lenard Hart

I recently had the chance to listen to Rick Hui-jbregts, vice-president, Smart + Connected Communities with Cisco Canada, speak about the changes coming to the Internet. Cisco is, of

course, a worldwide leader in developing digital net-working that transforms how people connect, com-municate, and collaborate.

He noted there are now more than 500 billion de-vices hooked up to the Internet, and that the speed of technological change is advancing rapidly, so getting to a second 500 billion will take much less time than the first. He estimates we’ll reach a trillion in fewer than three years.

Huijbregts sees the real-time monitoring and con-trol of building systems moving to web-based plat-forms, to better measure and reduce both energy use and total footprint impact. He feels the Internet should be looked at less as a network and more as a utility. Growing it means an increase in energy, but smart technology and telecommuting, and all the oth-er footprint reductions the web enables, are at least

five times greater than what it uses. In 2009, Cisco took on carbon footprint monitor-

ing as part of the Clinton Climate Change Initiative. At the same time it also launched its Telepresence roll-out to reduce the need for business travel and brought in web-based building controls for its own buildings. The company has some 19 million sq.ft. of office space spread over some 400 buildings worldwide. Cisco set a lofty goal of a 27 per cent reduction by 2012. It has

already exceeded that goal, reaching a 47 per cent reduction by 2010. That is not only good for the environment, but it has also saved Cisco millions of dollars.

Much of its reductions have come from energy saving (mostly in the build-ings it owns), but a significant portion has also been realized through changing the way the company does business. The average amount of office space for each employee has decreased to as low as 120 sq.ft. per person, largely by creating unas-signed flexible work stations, where mul-tiple sales staff share a limited number of spaces. Cisco has also put systems in place to make business travel much less neces-sary. By using virtual boardrooms, which allow for video conferencing with multi-ple monitors, it seems like people are in the room, avoiding some 165,000 trav-el trips for meetings, so far. Cisco has al-so identified that up to 60 per cent of its space is underutilized for significant peri-ods, when the lights and cooling/heating

could be controlled. Huijbregts sees the trend toward using the web

to manage all our building operations, and even our building portfolio operations is gaining speed. “It does not make sense to have multiple building controls running on multiple backbones, when you can con-verge them all on the Internet, and let everything talk to everything else,” he noted. “It makes building con-trols and energy conservation a shared activity that al-lows for best practices to spread more quickly.”

Huijbregts sees a day when the Internet will be the forth utility, along with gas, electricity, and water, as it becomes an essential component to running all build-ings.

is information the Forth utility?


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By Lenard Hart

I recently had the chance to listen to Rick Hui-jbregts, vice-president, Smart + Connected Communities with Cisco Canada, speak about the changes coming to the Internet. Cisco is, of

course, a worldwide leader in developing digital net-working that transforms how people connect, com-municate, and collaborate.

He noted there are now more than 500 billion de-vices hooked up to the Internet, and that the speed of technological change is advancing rapidly, so getting to a second 500 billion will take much less time than the first. He estimates we’ll reach a trillion in fewer than three years.

Huijbregts sees the real-time monitoring and con-trol of building systems moving to web-based plat-forms, to better measure and reduce both energy use and total footprint impact. He feels the Internet should be looked at less as a network and more as a utility. Growing it means an increase in energy, but smart technology and telecommuting, and all the oth-er footprint reductions the web enables, are at least

five times greater than what it uses. In 2009, Cisco took on carbon footprint monitor-

ing as part of the Clinton Climate Change Initiative. At the same time it also launched its Telepresence roll-out to reduce the need for business travel and brought in web-based building controls for its own buildings. The company has some 19 million sq.ft. of office space spread over some 400 buildings worldwide. Cisco set a lofty goal of a 27 per cent reduction by 2012. It has

already exceeded that goal, reaching a 47 per cent reduction by 2010. That is not only good for the environment, but it has also saved Cisco millions of dollars.

Much of its reductions have come from energy saving (mostly in the build-ings it owns), but a significant portion has also been realized through changing the way the company does business. The average amount of office space for each employee has decreased to as low as 120 sq.ft. per person, largely by creating unas-signed flexible work stations, where mul-tiple sales staff share a limited number of spaces. Cisco has also put systems in place to make business travel much less neces-sary. By using virtual boardrooms, which allow for video conferencing with multi-ple monitors, it seems like people are in the room, avoiding some 165,000 trav-el trips for meetings, so far. Cisco has al-so identified that up to 60 per cent of its space is underutilized for significant peri-ods, when the lights and cooling/heating

could be controlled. Huijbregts sees the trend toward using the web

to manage all our building operations, and even our building portfolio operations is gaining speed. “It does not make sense to have multiple building controls running on multiple backbones, when you can con-verge them all on the Internet, and let everything talk to everything else,” he noted. “It makes building con-trols and energy conservation a shared activity that al-lows for best practices to spread more quickly.”

Huijbregts sees a day when the Internet will be the forth utility, along with gas, electricity, and water, as it becomes an essential component to running all build-ings.

is information the Forth utility?


by Tracy Hanes

A new home energy system from Lennox Industries harnesses the sun’s energy to provide residential heating and cooling offer more benefits than traditional solar installations.

The SunSource Home Energy System provides builders and contractors with the opportunity to offer a green HVAC option to homeowners, who will benefit by saving on their hydro bills.

The system uses solar power to reduce the electricity consumed by a heat pump or air conditioner. It can also use that power to operate other devices in the homes such as lights and appliances at times when heating and cooling isn’t required. And any surplus power can be send to the grid to reduce homeowners’ electricity bills (and take advantage of Ontario’s Feed-In Tariff program).

The Sunsource system consists of a solar-ready, high-efficiency Lennox air conditioner or heat pump that has been enhanced to serve as the platform for the system; a solar subpanel that connects the utility-active solar power system and the HVAC unit; one to 15 roof-mounted solar modules that will power the system; and a communications system that lets homeowners monitor the solar modules’ operation, energy production and carbon offset. The more modules a homeowner adds, the greater savings on their utility bills.

Lennox is the first HVAC manufacturer to use solar power for central heating and cooling and Lennox International product

management vice president John Hurst has described it as “a gate-way to the future of innovation in the HVAC industry.”

Lennox’s most energy efficient air conditioners and heat pumps automatically come solar ready, allowing consumers the option to integrate a solar package upon installation or in the future. Because the SunSource Home Energy System is expandable, homeowners can start with a few solar modules and add more for up to a total of 15 at a later day. The SunSource system can be partnered with several products from the Dave Lennox Signature Collection, the company’s line of premium heating and cooling products.

For builders, renovator and contractors, the SunSource allows them to offer their homebuyers a renew-able energy option from a trusted brand name and an easy way for homeowners to upgrade when they install an HVAC sys-tem or in the future. The solar options can be included in a new home upgrade pack-age, allowing homebuyers to roll the cost of the installation into their mortgage. The system also offers builders the oppor-tunity to gain LEED or other green build-ing credits available by adding a renewable energy system. In November, Ontario’s

long term energy plan was released and the average electricity bill in the province will double over the next 20 years under the $87 billion plan to modernize Ontario’s electricity system. Over the next five years, rates are expected to increase by 46 per cent.

A little more than half a home’s average energy costs are esti-mated to be for home heating and cooling. Savings will depend on the amount of sun an area receives and how many solar panels a home-owner opts for.

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Introducing the SunSource Solar Assisted Comfort System – the first and only solar powered HVAC in the world.It harnesses power generated from photovoltaic cells and functions at full PV capacity when peak consumption loadsmatch peak solar output. So it keeps your customers comfortable while reducing energy bills and carbon footprints.To learn more about this or any of the home comfort breakthroughs we offer, call 1-800-9-LENNOX or visit lennox.com

I N N O V A T I V E N E V E R F E L T S O G O O D ®

Contact Cover JD10.qxd:JJ09 7/15/10 3:55 PM Page 2

�0 sBM spring �011

Up until only a few years ago, the idea of zero-energy homes was known, but was generally limited to situ-ations where grid connections were not feasible. This has changed, and a number of leading international, na-

tional, and local organizations are paving the way.Reducing the energy requirements to operate our buildings is

critical; the Intergovernmental Panel on Climate Change (IPCC) highlighted in its recent report that buildings are the largest users of energy and raw materials, as well as the largest generators of green-house gas emissions. They estimate that buildings account for about 40 per cent of global greenhouse gas emissions, and direct and in-direct emissions from the buildings sector increased 75 per cent be-tween 1975 and 2004.

At the international level, The Group of Eight (G8) internation-al forum commissioned the International Energy Agency (IEA) to develop a set of policy recommendations. At their 2007 meeting, all eight members adopted the 12 energy-efficiency policies recom-mended by the IEA, which included “Governments should set ob-jectives for Passive Energy Homes and Zero-Energy Homes’ market share of all new construction by 2020.” That means they want to see more passive and zero-energy homes.

On the international scene, Canada offered to chair a collabora-tive international partnership focused on net-zero housing shortly af-ter joining the Asia-Pacific Partnership on Clean Development and Climate. This project was endorsed by the other members, and Can-ada is now leading this initiative, which will accelerate the identifi-cation of optimal solutions, improve conditions for innovation, and transform the market. One of this group’s first public initiatives has been the creation of a Zero-Energy Housing Map that gives the loca-tion, construction details, and a score on 245 zero-energy homes in the seven member countries of the partnership. Included in this map are 47 zero-energy homes in Canada. Visit www.zeroenergyhousing.org to see the map.

At the national level, one of the boldest initiatives is being tak-en in the United Kingdom, where the building code will require all new homes to be zero-energy buildings by 2016. While the weather is certainly less extreme than in most of Canada, this is a major step forward and is being closely watched around the world.

In the United States, one of the more interesting initiatives gain-ing broad support is Architecture 2030. The 2030 Challenge asked the global architecture and building community to adopt a number of targets, with the foremost being all new buildings and major ren-ovations shall be carbon-neutral by 2030.

To date, the 2030 Challenge has been adopted by the U.S. Green

Building Council and The American Society of Heating, Refriger-ation and Air-Conditioning Engineers (ASHRAE), as well as the US Conference of Mayors and various city councils. In Canada, the Royal Architectural Institute of Canada, the Ontario Association of Architects, and the City of Vancouver have all signed onto the chal-lenge.

Not surprisingly, California is the clear leader among American states. The California Public Utilities Commission (CPUC) has set a goal of all-new residential construction to be zero net energy by 2020 and all-new commercial buildings zero net energy by 2030. CPUC Commissioner Dian Grueneich recently commented that “Zero net energy isn’t just a big, bold goal – it’s a reality today.”

In Canada, CMHC launched its EQuilibrium Program nation-wide to support housing that ultimately achieves zero environmen-tal impact. Fifteen teams were selected in 2008 to build these homes across Canada; one was even a renovation of an older home in To-ronto. Four of these homes (which are located in Kamloops, B.C., Calgary, Winnipeg, and Manotick, Ont.) and are still open to the public.

Although no provincial building code has set a time when zero-energy homes would be a requirement, it is noteworthy that On-tario’s Green Energy and Green Economy Act of 2009 did create a Building Code Energy Advisory Council. This council is to review the building code with reference to standards for energy conserva-tion every five years. Ontario’s Long-Term Energy Plan, which sets very aggressive conservation targets, notes that these targets will be met through a combination of programs and initiatives, including “next generation building code updates.”

One of the most useful sources of information on zero-energy homes for both builders and homeowners is the Net-Zero Energy Home Coalition. Its website (www.netzeroenergyhome.ca) includes links to zero-energy homes initiatives around the world, as well as links to recent projects from across Canada.

If you’ve been part of a team that has built zero-energy homes, congratulations on your leadership! The next step is to offer such homes to more of your customers. If you have yet to build one, this is a great time to find out how- it’s done and get yourself on the ze-ro-energy map.

Peter Love is President of Love Energy Consultants, after having served as Ontario’s first Chief Energy Conservation Officer. He was recently appointed Visiting Distinguished Research Fellow at Ryerson University’s new Centre for Urban Energy.

Growing Calls for Zero-Energy Homes

for the loveof energy

by Peter Love


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When building a new home, builders have many de-cisions to make. Working with their architects, they design for heat, water, and electri-cal savings, but what about the ac-

tual materials they use to build the house? Are they utilizing new carbon-based materials that have been transported thousands of miles to the job site?

A number of homeowners have decided to build their sustainable houses from recycled ma-terials. Across Canada there are now many Hab-itat for Humanity ReStores (www. habitat.ca/restoresc648.php). These stores take surplus, slightly blemished, or nearly new build-ing materials donated from renovators or manufacturers and sell them to the public.

However, what about home builders looking for that something special? With the increased popularity of TV shows such as An-tiques Roadshow and American Pickers, and the DIY network, many people have learned to appreciate the quality, craftsmanship and detail that were invested in old homes. In many cases, the trades-people or artisans who built the houses have long passed away, but their work lives on in stained glass, transoms or staircase spindles.

A number of companies across Ontario have recognized that not all buildings can be heritage sites, but they do combine histori-cal elements with materials that are still viable for reuse as sustain-able construction materials. Demolition companies brought in to tear down homes turn to the expertise of these organizations listed at the end of this article to recover as much of the materials as pos-sible. While there may be many antique stores across Canada sell-ing furniture, curios, or artwork, sustainable builders must focus on securing materials that can be both beautiful and practical for constructing homes.

One of the first people to recognize the beauty of these materials and create a business around recycling architectural pieces was Sam Mirshak of The Door Store. Located in the interior design area of

Castlefield Road in Toronto, Mirshak has rescued doors, hardware, fireplaces, mantels, and other materials from local and imported

homes. Down the street from him is Victori-an Revival, run by David Doucher. His compa-ny focuses on lighting and fixtures. With today’s drive for energy efficiency, Victorian Revival can remodel or retrofit an antique fixture to make it both fashionable and sustainable. Doucher also works with gas lanterns, converting them to elec-trical fixtures. For builders in Eastern Ontario, he also has an Ottawa location.

The Junction Triangle area of Toronto is home to a collection of vintage architectural stores along Dundas Street West. Smash Re-covery is a large storefront owned by Paul Mercer, who presents in-dividual pieces, like fireplaces or ironwork, in a gallery-like setting. Across the street is Post + Beam Reclamation, operated by Doug Killaly, is yet another location for architectural materials, such as fireplaces, doors, and mantels. Less than a block down the street is Metropolis Living, run by the brother-sister team of Maggie Gat-tesco and Phil Freire. They handle architecturally interesting goods, but also repurpose them into other items, as does Forever Interi-ors, which was established by Martin Scott who creates furniture and interior items from vintage materials. Further down the block, Peter Breese of Eclectic Revival specializes in light fixtures from the 1900s to the 1930s.

Travelling westward to St. Jacob’s, Ont., is Artefacts - Salvage & Design, run by Chris Blott and Scott Little. This company has moved from being an architectural salvage company to one special-izing in furniture from recycled wood, stained glass, terra cotta, and industrial materials. However, if you have a “certain something” you’re looking for, you may want to contact them first.

In Mallorytown, east of Kingston, Ont., is Ballycanoe and Company. John Sorensen specializes in19th-century architectural salvage. Housed in an 1850s-era homestead, Ballycanoe focuses on rural architectural salvage. Included in its collection are folk-archi-

By

sam goldberg

Sustaining the Future by Reclaiming the Past

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tecture pieces, many with their original paint. As expected, most of the stock comes from homes salvaged in Eastern Ontario.

Closer to Toronto, in Cobourg, is Legacy Vintage, operated by Sven Kromanis. Located close to Hwy 401, his multi-acre site is or-ganized by categories. As you enter, you see electrical fixtures and hardware. Further in, you’ll encounter plumbing, decorative met-als, mantels, and fireplaces. The basement is filled with windows and doors, organized by decade and individually labelled by lo-cation. If you’ve seen a period movie, like Cinderella Man or Chi-cago, chances are the doors or fixtures came from Legacy Vintage, and most of the doors and fixtures from the Saw 1 through Saw 4 horror movies came from Legacy Vintage, too. The front yard is filled with facades, front porches, and decorative outdoor wood-work. The back acres are filled with wood, ready for recycling, tak-en from floors, walls, and barns. Kromanis does not remanufacture or refinish these materials.

Unfortunately, not all homes may be preserved, so many ru-ral and urban homes are eventually slated for demolition. If you’re looking for a 4-inch-thick, solid-oak door from a mansion in To-ronto’s Forest Hill or some hand-cut limestone from a Kingston, Ont., home that was removed to make way for a new building on campus, these are some of the places to find materials that can be reused in your new sustainable building.

When we reuse building materials, not only are we saving the environment, but we are also reclaiming a little bit of our history.

Sam Goldberg established Canada’s first biodiesel retail outlet in 2003. Since then has been involved in energy conservation, green construc-tion, and renewable energy development. He is currently a freelance energy consultant.

Company Address City Phone Email Contact

Artefacts Salvage & Design

46 Isabella Street St. Jacobs 519 664 3760 [email protected]

Chris & Scott

Balleycanoe & Co.

150 Rockfield Road RR4

Mallory-town 613-659-3874 [email protected]

John Sorensen

Eclectic Revival 3075 Dundas St. W Toronto 416-766-5500 [email protected]

Peter Breese

Forever Interiors 2903 Dundas St. W Toronto 416-291-2001 [email protected]

Martin Scott

Legacy Vintage 540 Division Street Cobourg 905-373-0796 [email protected]

Sven Kromanis

Metropolis Living 2989 Dundas St. W Toronto 647-343-6900 [email protected] Phil Freire

Post + Beam Reclamation

2869 Dundas St. W Toronto 416-913-4243 [email protected]

Doug Killaly

Smash Recovery 2880 Dundas St. W Toronto 416-762-3113 [email protected]

Paul Mercer

The Door Store 1260 Castlefield Toronto 416-863-1590 [email protected]

Sam Mirshak

Victorian Revival 1150 Castlefield Toronto 416-789-1704 [email protected]

Dave Doucher

· Assurance Services

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· Estate and Succession Planning

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Abrahamse Berkis Pinto LLPCHARTERED ACCOUNTANTS

2 St. Clair Avenue West, 9TH FloorToronto, Ontario M4V 1L5

Tel: 416-927-8700 • Fax: 416-927-8948Email: [email protected]


By Staff

In the world of mandatory labelling, Richmond Hill, Ont., stands out as one of the few cities that leaves it up to the builder to propose solutions. In order to secure limited sanitary sew-age allotmentss for new development, builders were asked to make sustainability proposals to the town, with the best proposal getting the most allotments. Royal Pine Homes seized

this opportunity to go above and beyond the ENERGY STAR standard with a number of HVAC upgrades, including a strong focus on renewable energy. Renewable energy comes either directly from the sun or is opportunistically gleaned from sources that would otherwise go to waste.

The renewable upgrades include a PowerPipe, or drain water heat recovery (DWHR ) device, which extracts up to 40 per cent of the heat that goes down the drain during a shower and uses it to preheat incoming cold water. This upgrade was funded by Enbridge’s DWHR program. An-other upgrade is a heat recovery ventilator (HRV), which recovers waste heat (or in summer, the waste cooling) from exhaust air fans to condition fresh intake air.

In addition to these two heat-recovery devices, each home will have a solar hot-water preheat system. This single panel EnerWorks solar array was installed by Alpha Comfort Control. The in-stallation requires five separate steps and a significant level of co-ordination between the site su-pervisor and the installation contractors. As this trade is still relatively new in Ontario, companies like Alpha Comfort Control are creating the standard for service, commissioning, maintenance, and warrantees for leading builders like Royal Pine.

The Richmond Hill project is important both from a sustainability perspective and in terms of creating and improving the industry’s capacity to install renewable upgrades. When a large pro-duction builder, like Royal Pine, takes on a significant renewable upgrade, like solar or DWHR, it has a positive ripple effect across the industry. The learning curve on new installations and new trades services can be quite steep.

Here are two examples of the kinds of learning curves that go into these renewable upgrades. Both the PowerPipe and the solar lines sets are made of copper, which is a valuable scrap metal that requires a set of loss-prevention protocols be put in place to ensure the product does get removed from the site. The solar installation process overlaps with several traditional building trades, in-cluding: plumbing, HAVC, roofers, and insulators/draftproofers. The solar trade has to be aware of the schedules and activities of each of these other trades to ensure smooth and timely installa-tions.

The homes also feature rigid insulated sheathing, compact fluorescent lights, 92 per cent effi-cient furnaces, 65 per cent efficient HRVs, and Zone “C” ENERGY STAR windows. These homes rate an 82 on the EnerGuide scale, which is 20 per cent better than ENERGY STAR currently re-quires as its minimum.

There are other innovations of note in this showcase project. For example, Royal Pine is offer-ing home buyers several upgrade packages beyond this high baseline, which include extended war-rantees for the solar array. Consumer education and awareness are keys to executing these upgrade sales, and Royal Pine is supporting this with extensive customer surveys and consultation.

The “Renewable Builder Showcase” is a new Sustainable Builder Magazine feature, sponsored by the Enbridge Drain Water Heat Recovery Program, in order to promote industry uptake by showcasing builders who use renewable energy upgrades in their new homes.

RenewaBle BuildeR ShowCaSe

Royal Pine homes



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Flowmax condensing wall hung water heaters with on-demand domestic water productionrepresents the latest technological know-how in producing space heating and domestic waterproduction. The efficient Energy Star approved compact design products allows for ease ofinstallation for new construction and retrofit applications. The availability of three modelcapacities and burner modulation affords flexibility in design and the ability to meet varyingrequirements for domestic water. The Flowmax water heaters can be used with multiple hydronicheating systems incorporating radiators, fan coils or in-floor heating while maintaining highefficiency levels and control. The products are manufactured with a corrosion resistant stainlesssteel heat exchanger for long life. The units also have a built in expansion tank, circulating pumpand a flat plate heat exchanger. These Energy Star approved products offer a 10 year warranty onthe main heat exchanger and 5 years on parts.

The direct venting for these units can be installed with 2” or 3” PVC ULC S636 pipe and fittingswith a maximum length up to 100 ft.

These units have been certified by Intertek.

Tankless condensing combination water heaters from Flowmax


COVER STORY

By Tracy Hanes

As Mike Martino walks through his compa-ny’s 25-year-old industrial warehouse unit in Vaughan, Ont., he points out the recent up-grades, such as the expanse of shiny, new duct-

work that runs along the ceiling. He’s ripped out a series of inefficient ceiling-mounted heating units that used to warm the space, and replaced them with the new duct-work that will better distribute the heat generated by the 95 per cent high-efficiency central furnace that he’s in-stalled.

The old loading bay doors have been replaced with new insulated ones, and he’s replacing an old water heater with a new, highly efficient GE heat-pump water heater.

“This is a typical industrial building; it’s very ineffi-

cient, but all you hear about is the big push in new con-struction,” says Martino. “Yet, there are thousands of these old industrial units in the GTA (along with thou-sands of old houses) where we need to focus our atten-tion.

I decided to do something about it. I went back to ba-sics, insulated where I could, changing the doors, chang-ing the heating equipment, putting in low-flow toilets, and a new water heater”. “I’m going to save on heating costs upward of 50 per cent, and reduce the company’s carbon footprint. If owners of other units similar to this one did the same, they’d save considerable money.”

Martino, president and CEO of Martino Contract-ing, believes in energy efficiency, whether it’s his own building or one of his clients’, which include many of Ontario’s largest builders such as Arista, Alliance, Aspen Ridge, Brookfield, Conservatory Group, Green Villa, Re-

Two hybrid systems each having 96% high efficiency gas furnace and add on 14.5 CEEr air to air heat pump.



gal Crest, Country Wide, Great West, Great Gulf, Kait-lin, Lifetime Developments, Hush and others. His heat-ing and air-conditioning company was recently honoured as 2010 Trade Contractor of the Year at the BILD Associ-ate Awards. This award recognizes BILD’s associate mem-bers for quality, service, professionalism, leadership, and innovation when working together with a builder or reno-vator on a new home or renovation project.

Some of Martino’s client relationships go back more than 30 years. One client says “they are committed to be-ing innovative and lead their industry in implementing green solutions, while making their products and servic-es user friendly”. “They lead the industry in providing in-creased homeowner warranties and after-closing support to new homeowners.”

Martino, who is also the president of the Heating Ven-tilation Air Conditioning Contractors Association (HVA-CA), has worked in the heating, cooling and air-quali-ty business for 34 years. His company has more than 45 employees and annual revenues of between $10 and $15 million. A large part of the business is centered in the residential sector, but he also does industrial and com-mercial projects, as well as retrofits and change-outs. In house, the company manufactures sheet metal for duct-

work and does all of the installation. It also services and installs high-efficiency gas furnaces, air-conditioning, in-door air-quality products and gas fireplaces, many of them ENERGY STAR rated.

During his high-school days in the early 1970s, Marti-no had no intention of going into the home-heating and air-conditioning business. He wanted to be a physical ed-ucation teacher, but it was a tough time for teachers then, and his basketball coach talked him out of it.

He was also taking various shop classes including re-frigeration and air conditioning, thinking he’d become a service technician instead. On a week-long work place-ment while still in high school he worked at Lennox In-dustries.

“They were very kind to open the business to me and give me the opportunity,” recalls Martino. “I was in the application department, and I learned how to select and size equipment for homes, how to calculate heat gain/heat loss, and I thought, ‘Wow, this is interesting.’”

He most enjoyed his time spent with the technical sales rep. “It got my mind going, and I got to know the vice-president of marketing who mentored me. I thought it was a great career, and, even then, believe it not, we were talking about energy savings,” he says. “It convinced me to

High velocity airmax heating systems installed in a closet complete with air conditioner

High efficiency furnace with Martino airguard Filtration system


see that everyone needs heating, everyone wants comfort.”After graduating from Humber College in 1976, Marti-

no accepted a full-time job at Lennox. “I walked in the first day and had on a suit. I had to report to the manager of parts and service, and he said, “Where do you live?’ Then he told me to go home and put on jeans and a T-shirt.”

For 10 weeks, Martino swept floors, loaded and unload-ed boxes, and hounded the sales manager and vice-president until he was put on the order desk. Within a year he was sell-ing. “In four or five years I was the No. 1 territory manager, making the most sales in Canada,” he recalls, while taking sales and marketing courses at Ryerson and all of the tech-nical courses offered by Lennox. In 1987, he and the late Alan Dearie formed Dearie Martino, which they eventual-ly sold to Lennox, while continuing to operate the business

for them. Fifteen months ago, Martino bought the compa-ny back.

The company has installed more than 70,000 HVAC sys-tems throughout Ontario since 1987. Martino has always been a firm believer in energy efficiency and reducing our impact on the environment. He has weathered the ebb and flow of green popularity, from the government’s off-oil pro-gram in the early ’80s, where incentives were offered to con-sumers to switch their old oil furnaces to natural gas, to the advent of the R2000 program and, more recently, the intro-duction of ENERGY STAR, GreenHouse and LEED-Cana-da for Homes designations. Ontario Building Code changes coming in 2012 will also make it mandatory for builders to meet higher efficiency standards, which is something Marti-no has collaborated with builders on for over 30 years.

High efficiency furnace with Martino airguard Filtration system


“My interest in energy efficiency and green products goes back to the ’70s,” he says. “It’s just part of doing your job well.”

To illustrate his point, Martino produces a series of photos from 1978, celebrating the opening of a new home develop-ment that featured rooftop solar PV. He also notes that heat pumps, which became popular and then faded in the market, are making a resurgence, as well as solar hot-water heating sys-tems. Martino was part of the installation of ground source

heat pumps for Townwood Homes in the 1980s.While falling fuel prices put the brakes on energy-efficien-

cy momentum in the ’80s, he believes the current interest in green is here to stay.

“The reason there’s so much interest in it now is that the coming generation, my children and others, are really con-cerned about climate change. And it is reinforced by the fact that energy prices are so high,” he says. “It’s been an evolu-tion to get us to where we are today. EnerGuide and ENERGY

Industrial unit retrofit: installing new ductwork for central heating and cooling.

Technician working in Martino’s fabrication shop

On balcony: Martino Air side discharger air conditioning unit installed with Airmax high velocity system

Lennox high efficiency air conditioning systems and Lennox gas generator installed in a custom home


STAR have created more awareness, and people are more fa-miliar with terms like SEER.” (Seasonal Energy Efficiency Ra-tio used to rate air conditioners.)

He has watched heating and cooling technology evolve fur-naces from 55 per cent efficiency, to 78 to 80 per cent efficient models, to today’s 95-plus super-efficient units with two stage gas valve and variable speed direct-drive motors. Heat recovery ventilators and air-filtration systems are becoming more com-monplace as homes become more airtight.

“Everyone learns as we go along,” he says. “And as build-ers begin to look at the house as a system, they are realizing an integrated design approach is required, and they are watching more closely how different components influence each other.” For example, a high- efficiency furnace still needs to be right-sized, and that is dependent upon the levels of air sealing and insulation.

As homes are better constructed now, Martino thinks “the day is coming when we are going to have to zone houses or have two systems.”

An example he cites is a recent Hush project where the large new home incorporated an HEG furnace with a high-ef-ficiency heat pump.

Other builders are incorporating high-efficiency furnaces with electric and radiant heating, and Martino sees more ap-plications for high-velocity heating, such as in-cooling third floors. His company is also starting to rent high-efficiency wa-ter tanks and combo systems.

While his focus on green has given the company a compet-itive advantage, Martino says excellent customer service is an-other vital component of the business.

Martino does things that other competitors do not, such as installing a Martino Airguard filter box (enabling the ho-meowner to install filters of their choice up to 16 MERV ef-ficiency), installing setback thermostats as standard, provid-ing extended warranties and initiating free homeowner visits to measure the airflow within homes and properly balance air distribution.

“This is my way of improving the environment and re-ducing the carbon footprint. Succeeding in this business is all about getting the right systems installed and working at peak efficiencies. Ultimately, it comes down to service,” says Mar-tino. “It comes down to service and giving the homeowner what they need.”

For more information click on www.martinohvac.com

From left to right: BILD President Stephen Dupuis, Mike Martino and Energy Minister Brad Duguid


Celebrating leadership in the HVAC industry, we congratulate Martino Contractors Ltd. for their award as BILD’s Contractor of the Year!

By Staff

Energy Saving Products’ (ESP) CEO Leon Prevost was in Chi-cago attending the AHR Expo in January 2009 when he got a phone call from his wife, company President Elaine Pre-

vost, telling him of the late night fire. Although devastated, his was determined cease the opportunity that was available even in this cri-sis. With resolution and a lot of hard work from employees, suppli-ers, customers, friends and family, the company was up and running in a temporary facility within two and a half weeks of the fire. Then the whole Prevost family set about designing a new building.

The design of the new building was completed by Leon and his sons (Tim, in Technical Support and Training, and Daniel, in charge of Electrical Research and Development), working closely with the General Contractor on the reconstruction of the new manufacturing plant. “We came up with our own plans from the start of the design to the finish,” says Daniel. “We wanted practical energy-efficiency, and of course we also wanted to showcase our Hi-Velocity System for everyone visiting the factory.”

High-efficiency chillers, boilers and solar panels were also includ-ed in the new plans. Some 22 months later the company had leading edge manufacturing facility, which will be certified under the LEED (Leadership in Energy and Environmental Design) program. “The

new factory reduces our energy usage by 60 percent,” notes Dan-iel. Each air handling unit utilizes its own a heat recovery ventila-tor (HRV).

The warehouse and office space are outfitted with multiple air handling systems with numerous zones allowing each occupant to control the temperature in their own space. This promotes produc-tivity, comfort and well-being, as well as demonstrating a fully ener-gy efficient system.

Each air handling unit also uses the company’s own HE PS air pu-rification system, which utilizes photo-catalytic technology to elim-inate VOC’s, CO, and odours from the air. The air handling units are also equipped with CO2 (Carbon Dioxide) monitoring sensors that modulate the amount of fresh air and exhaust air to provide the building with optimal indoor air quality.

Another renewable energy system being incorporated in this building is a solar collector system to supply supplementary heat to the building and hot water tank.

What began as a disaster has turned into a new vision. System. “We look forward to our Grand Re-opening in May, and

greeting existing customers as well as welcoming new customers,” said Leon. “Now, we not only talk the talk on efficiency and sustain-ability, but also walk the walk and lead by example.”

You can find a video featuring the new building on YouTube by searching ‘Energy Saving Products New Facility’.

like a Green Phoenix


By Greg Labbe

There are simple lessons in folk tales and traditional stories that are retold and reinterpreted time and again. I want to try a modern building-design read on the tale of the Three Little Pigs.

If you read carefully, you will see there was never much debate about straw-bale versus wood-framed versus full-brick construction. The focus was, rather, about durability, quality, and resiliency of the building envelope.

As for the wolf, I think he represents a depleted environment and our concerns about energy security personified in the big, bad utilities cutting you off, because you can’t pay your bills.

The moral I take form the story is that you should invest in a qual-ity building envelope, one that keeps the energy wolf at bay. Cus-tomers will always say they can’t afford this or that upgraded, espe-cially when it’s for something as unspectacular as the building enve-lope. But, I have always looked to OBC codes for what they are: bare minimums for comfort and envelope performance. That is my start-ing point and then I look at where my maximums could be and find a realistic spot somewhere in between.

My belief in the importance of the building envelope was rein-forced recently as I was insulating a home on a bitterly cold January

day. I’ve been in the insulation business for more than 12 years. I’ve worked with old and new houses, some had insulation, some didn’t; but what they all had in common was at least one large heating sys-tem chugging away come winter time.

I was working on a major retrofit of an older home. These home-owners did their research and they didn’t blow their budget on gran-ite counter tops, but, instead, they wanted to perfect the home’s ther-mal envelope. They had the rather impressive goal of retrofitting a 1950s house to the Passive House standard.

Naturally, I poured a lot of insulation into the second-storey roofline, so much so that, while it was -10oC outside, it was more than 15oC inside, with only a 1,500W plug-in electrical heater (not much better than a glorified hair dryer) running in the basement. The question I had, since there was no conventional heating sys-tem chugging away to keep the place warm, was: “Why do we even need one?”

This was an unfinished shell, with only a third of the insulation installed in the walls, yet the place was just as warm as some of the rooms in my own 1920s, double-brick house in Toronto.

I have been looking into the Passive House concept along with a colleague, who studied the standard while going to school in Germa-ny. And, I admit it takes a bit of time for the enormity of the concept of no conventional heating system to sink in. But in that little retrofit on a cold January day, I began to really understand what it meant. In

Who’s Afraid of the Big Bad Furnace?


By Lenard Hart

Enbridge is currently ranked as the top Canadian company in the World’s Top 100 Sustainable Businesses.*

It’s hard to say whether it’s better to be No. 16 in the world or No. 1 in your own country, but Enbridge is both.

For the past decade, Enbridge has supported many green activi-ties in Ontario and in other parts of Canada. But, it was a surprise to me they are so far along the path to becoming a sustainable busi-ness.

In the past, I’ve had the pleasure of working with Enbridge on the R2000, EnerGuide for Houses, ENERGY STAR for Homes, low-income housing, drain water heat recovery, the, and the High Per-formance New Construction programs, as well as the Green Build-ing Festival, at least a dozen integrated design charrettes, and a so-lar hot water, measurement program and, now, as a sponsor of this magazine. Such international recognition is rare for any Canadian company, and we at Sustainable Builder Magazine wish to congrat-ulate Enbridge and all eight of the Canadian companies that made this prestigious list.

* Analysis for the Global 100 was based on the work of a group of sustainability research providers. The top 10 per cent of sustainability and financial performers from a global universe of 3,500 stocks were identified, and these were then ranked by a set of Key Performance Indicators (KPIs) calculated using environmental, social, governance (ESG), and financial data collected by Corporate Knights Research Group and verified with The BLOOMBERG PROFESSIONAL® service.

Enbridge Ranks as a World Leader in Green

Country

Enbridge Inc 16 $3,782 15% 62% CanadaEncana Corp. 25 $2,819 20% 64% CanadaSun Life Financial Inc 50 $397,663 25% 100% CanadaNexen Inc 59 $1,953 8% 70% CanadaTranscanada Corp. 65 $630 15% 84% CanadaToronto-Dominion Bank 68 $244,577 25% 100% CanadaRoyal Bank Of Canada 71 $255,324 20% 100% CanadaTelus Corp. 88 $28,012 8% 0% Canada

Top Canadian Companies Rank

CO2 Productivity

Sales ($) divided by

CO2 (tonnes)

Leadership Diversity

% of Women on the Board of Directors

% Tax Obligation

Paid in Cash

the same way I now fully understand the story the Three Little Pigs.Though variations in the tale exist, I will sum them all up to say

that the two pigs who built simply to code minimums, hoping their oversized HVAC system would save them, ended up taking refuge in the third pig’s house. So, I would not be surprised if, one day, this Pas-sive House retrofit homeowner could have a house full of unexpected guests, including those who thought they had renovated sufficiently by getting a high-efficiency furnace. I’m specifically thinking of the way folks got to know their warmest neighbours after the infamous 1998 ice storm in Quebec.

I also want to talk about the classic drawings of the various pigs’ houses, because there is a lesson there, too. They were only as big as they needed to be and of a thermally simple design. That may be a result of the fact that heat loss is a function of a home’s surface ar-ea, not its volume. The surface area of a home is increased by add-ing dormers, overhangs, and extensions, which results in added ther-mal bridging. Insulation is vital, but design is also key to keeping the wolf at bay.

The trends in the United States are showing that more new home buyers are opting for smaller houses and are happier as a result1. This is something Sarah Susanka has been reinforcing in her book series The Not So Big House. Susanka essentially says build small. And what you save in materials and labour, plough it back into a great design with personalized features - something that speaks volumes about you and how you want to live your life.

I have long been a fan of traditional wisdom. I think there is a lot to learn from the past, even the recent past, like the 1970s, if you know where to look. With a small footprint and basic design, R60 attic, R44 walls, R60 basement walls, and R30 insulation under the

basement floor, the 1977 Saskatchewan Conservation House needed no conventional heating system. And, it was built in Regina, which has a designed degree day rating of 5661! Seems we forgot about that one, and, to a certain extent, we gave up on the quest for radically energy- efficient housing when cheap energy prices returned in the 1980s.

More than a decade later the Germans and Swedes refined the concepts used in the Saskatchewan Conservation House by creating the Passive House standard. Their approach was simple: instead of trying to figure out which heating system will compensate for a poor-ly insulated, leaky envelope, they wondered what kind of building envelope was needed to minimize the heating system. This was their new take on an old familiar tale. With regard to the building shell, the base-line heat-load assumption in the Passive House standard is 15 kWh/m²/year, and the building shell is tight down to 0.6 ACH @ -50 Pa. The average Ontario house has about 10 times the air leakage and consumes 10 times more energy - or 170kWh/m2/year.2

I like to think the third Little Pig knew that HVAC systems last 10 to 15 years, but home envelopes last 100 or more. So, I urge you to take another look at your building envelope and consider the lessons of the Three Little Pigs: build a well-insulated shell of simple design, with minimal thermal bridging and air leakage, and the Big Bad Wolf will never be at your door.

Greg Labbe is the Director of Green Consulting and New Home Rat-ing at GreenSaver, a not-for-profit company dedicated to improving the built environment. He was the head of GreenSaver’s home insulation di-vision, until opening the consulting and rating division in 2011. www.greensaver.org


In an article from the winter 2010 is-sue, I made the assertion that site-planning should take solar access in-to account, and that solar site-plan-

ning calculations are easy. The aim of the present article is to illustrate how solar an-gles can inform site-planning and also to demonstrate their simplicity. Since this is-sue is focused on HVAC systems and ener-gy, it seems fitting to include a discussion on passive heating techniques, such as re-ductions in heating and cooling loads, and how they have important ramifications for HVAC design and overall building energy consumption.

Research carried out by NRCan in con-junction with CMHC, has shown that so-lar passive design can reduce a home’s heat-ing demand by up to 50 per cent compared with a traditionally designed home with no solar considerations. This is a significant re-duction. The tricky bit is that unless so-

lar access is considered at the site level, the architect’s options for incorporating passive strategies into the built form are likely to be severely restricted.

A detailed explanation of the calcula-tions can be found in Site Planning for So-lar Access: A Guidebook for Residential Developers and Site Planners (1979) pub-lished by the U.S. Dept. of Housing and Urban Development but a synopsis (and the important bits) are given here.

Using the true altitude angle1 on De-cember 21, at 9 am/3 pm, because this is the day when the sun is lowest in the sky, one can calculate the necessary minimum distance between buildings to absorb near-ly all of the sun’s usable heat. At Toronto’s latitude, this angle* is approximately 14º. The next step is to represent the concept building envelope as a series of poles cor-responding to heights at the corners, then plug the values into this equation:

“where S = shadow length (this is, what you’re looking for), H = the height of the

poles at each corner, Al = the sun angle (14º if you’re in Toronto on December 21, at 9 am/3 pm), and Sa = the slope of the site where positive lies above horizontal in a clockwise direction”. Note, you must cal-culate an S value for each different pole of height H. Once S is calculated, draw its length in a plan, angling it 45º east and west from north, and, lastly, draw a box around the projections. This gives you the “angu-lar obstruction zone,” or the area which the building shades and where another build-ing should not be placed.

Alternatively, if 14º is too low, and the zone is too large to accommodate the neces-sary number of plots, NRCan (Tap the Sun 1998) recommends using the true altitude

Solar Site PlanningPart 2

By

Ashleysmith

S = H [tan (A1 ) + tan (Sa )]


on October 21, at 10 am/2 pm, which is ap-proximately 33º at Toronto’s latitude and will capture about 70 per cent of maximum so-lar radiation between October and Febru-ary. Additionally, one can reduce the angu-lar obstruction zone by drawing the length S in the plan and angling it 30º east and west of north, rather than 45º, as previously sug-gested.

The methodology described above will provide a lot size, shape, and orientation based on a concept building envelope and will safeguard solar access, enabling passive solar gains in winter. The next step in the development process is, of course, design-ing a building which also incorporates solar considerations. For instance, windows must be given protection such that the low win-ter sun can penetrate inside, while the high summer sun is blocked. Also, at least 50 per cent of the window area should face south or not more than 25º east or west of south. And ideally, south-facing windows should open onto a thermal mass, which can take the form of stone or tile flooring or masonry interior walls, etc.

While this elementary calculation does not take the place of detailed energy model-ling, it does provide planners with sufficient input to include solar access in their high-level decision-making - input that, in the au-thor’s opinion, is essential to the future of low-energy consumption homes.

Ashley Smith, LEED AP, is a freelance sus-tainability consultant. She hold a Bachelor’s degree in Biodiversity and Conservation from McGill, and a Master’s degree in Civil Engi-neering from U of T.* The true altitude angle can be interpolated from a stereographic sun diagram, such as the Pilkington Sun Angle Calculator, or obtained from almost any energy modelling software.

www.donpark.com1-800-561-3842

We’ve got what it takesto make top quality pipe,duct and fittings.


By Staff

Working with solar aggregator PURE Energies, BILD has re-cently installed an eighty-panel

solar PV array on the rooftop of its offices at 20 Upjohn Road in Toronto. The installation includes a monitoring system in the building’s lobby displaying real-time performance data on a screen for all visitors.

Ontario Energy Minister Brad Duguid was at the BILD headquarters for a real-time dem-onstration of how the solar installation oper-ates and how it transfers energy to Ontario’s power grid.

The solar array, which will produce about 15,000 kilowatt-hours of electricity each year (producing an estimated $12,000 in annu-al clean energy revenue) was the next logical step in the greening of the headquarters build-ing for the residential construction industry which has been extensively upgraded for en-ergy efficiency, and has a plethora of motion sensors, timers and set-back switches installed throughout the 20,000 square foot facility.

Left to right: Zbigniew Barwicz of Pure Energies, Energy Minister Brad Duguid, BILD Chair Paul Golini, Chris Stern of Pure Energies, and President and CEO of BILD Stephen Dupuis

Green by example


“This solar project is an example of the active role the residen-tial construction industry is playing in Ontario’s clean energy econ-omy. Ontario’s energy plan is creating jobs and opportunities for businesses and families across Ontario as we continue to build a clean, modern energy system,” said Minister Duguid.

The solar PV installation not only generates revenue for the partners, but more importantly assists Ontario in its goal to reduce greenhouse gas emissions, and most importantly, provides a highly visible example to residential home builders within the GTA and across Ontario.

“We are not in the business of telling our builders what to do, but we are happy to lead by example and to provide information and education to builders on best practices in sustainable devel-opment and green building,” said BILD President and CEO Ste-phen Dupuis.

Dupuis noted that the facility is home to BILD as well as the Ontario Home Builders’ Association, and EnerQuality Corpora-tion. “Homebuilders visiting at 20 Upjohn Road for forums, work-shops or governance meetings won’t be able to miss the roof-top so-lar panels mounted along the south perimeter, but even if they do, a screen mounted in the lobby will continually display the perfor-mance of the roof-top mounted panels,” Dupuis stated.

“We are extremely proud to be a part of this project, which is an excellent example of the public policy of the Green Ener-gy Act meeting the private investment of PURE Energies and the industry leadership of BILD,” added Chris Stern, PURE En-ergies’ Vice-President of Builder Relations. PURE Energies of-

fers no cost solar to participants who will enter into a long term contractual arrangement, allowing any homeowner to participate in the producing green power, not just those with deep pockets. www.pure-energies.com

The top builders in Ontario have recognized the value or Solar

with every new home they build, isn’t it time you learn why?

2010 OHBA Builder of the Year Building Innovation & Excellence Award

Green Builder of the Year R-2000 Builder of the Year

Contact: [email protected] • 647-967-0787 • www.pure-energies.com


NAME: Branko Mijatovic Trade: HVAC contractor, president and owner of Alpha Comfort Control

BACkGRouND: Born in Serbia (the for-mer Yugoslavia) in 1962, he was trained as an aircraft instruments, radio, and electro equipment (IRE) mechanic and began his career maintaining and repairing airplanes and helicopters. He also got his interna-tional licence to work on Lear and Falcon jets.

In 1982 he started a part-time business, servicing residential appliances and was also wrote, edited, and published techni-cal manuals for washing-machine repairs and maintenance. This lead to working on commercial installations like coolers and walk-in freezers, and eventually to working on industrial compressor food-preparation equipment. He immigrated to Canada in 1999, and like many skilled new Canadians, he start-ed all over again. Learning English was another big challenge, on top of retraining on North American equipment and meet-ing the necessary standards. He took several jobs as an HVAC subcontractor, doing ev-erything from installing air conditioners to sheet metal ductwork. After gaining more than a dozen certifications in Canada, in-cluding a water furnace geothermal certifi-cate, he started his own business.

CLAIM To FAME: Installing renewable systems on Royal Pine Solar Development in Richmond Hill

MoTTo: “Knowledge and quality work are the way to success.”

SiTe SPeCiFiCA Site-level Look

at Those Who are Making Sustainability Happen

HUSH.CA

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In the spirit of designing a home that suits your needs and lifestyle, HUSH offers four green packages:

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We need energy all the time to do every-

thing. We need energy to build and operate the homes and buildings we construct. And we often use it without considering the source or the inputs for the en-ergy to be generated.

In Canada, oil is an exported commodity, and we no longer, typically, use it to power our buildings. In our predominantly cold climate, the switch to natural gas from oil for heating was driven by the much lower cost of natural gas. Yet, the impact of oil pricing on our buildings remains in the form of build-ing materials and transportation. Until non-oil substitute ma-terials are developed, oil remains an integral part of our costs in our buildings.

At publication time, the price of oil was approximately $100 per barrel, and the price of gas in the GTA was $1.21 per litre.

This latest pricing benchmark compares closely to Septem-ber 2008, prior to the credit crunch and the following Great Re-cession. The recurring benchmark pricing is really just the other side of the “pricing pothole” through which the economy drove in the last two years, along the roadway of increasing oil costs.

This recent benchmark was reached by events in the Middle East, and, in particular, Libya. A country that exports some two per cent of the world’s oil supply is significant for its part only because the supply is tight and the energy chain is sensitive.

And, so, we are driven to consider what alternative energy supply opportunities are available. Consider solar power: sun-light is the world’s largest source of carbon-neutral power. In one hour, more energy from the sun strikes the Earth than all the energy consumed by humans in a year. Meanwhile, solar panels contribute a mere 0.1 per cent to global electricity consumption.

These days you may consider a num-ber of the clean technologies available to

power your building - solar, wind, or geothermal. You may even consider on-grid and off-grid power solutions.

The ability to capture and convert a freely available energy supply is attractive. The opportunity to do so will require an in-vestment in some new technology. And, when considering new technologies the real questions you should be asking are: How soon? And how much?

Early adopters face the uncertainty of the future. Without a compelling event or a deadline to mandate a decision, the cheapest outcome may arrive in the maximum amount of time. Conversely, the quickest result may cost the most.

Within the timeframe for a decision, available choices limit your ability to get the best results in all cases. Each decision sets your future course. In preparing for a decision, you can try to align the facts with your view of the world and your expectation of the outcomes for the various paths of decision.

As events unfold faraway from where you are building, the impacts on your decisions may not be revealed for some time. But the essential truths remain valid: a building costs money to maintain and operate; and the energy to heat it in our cold cli-mate, or otherwise power it.

If trying to decide whether to use renewables on your proj-ects, you may want to consider the following:Q: Are renewable energies ready for market adoption? A: Yes.Q: Are renewable energies economically sensible at this time? A: Almost. As oil prices increase, the question of cost for alter-native energy sources disappears and the timeliness approaches. Q: Is the leadership benefit worth the potential added costs and risks? A: This is the key question for you to consider and it will vary from builder to builder depending on your market position and risk tolerance.

Gregory Cook, P.Eng. is a Consulting En-gineer and President of Cook Consulting Engineers Limited.

By

gregory K. Cook

When is the right Time to Choose renewable Energy?



Between the bones of every house there is something that can help it be more sustainable and ener-gy efficient. It’s

the insulation. Sure, most of the time it’s hidden be-hind the walls and even if you get back there during a renovation, it’s not very sexy. But as the industry shifts to provide custom-ers more green options, the manufacturing industry is no different, and there really is value in knowing what’s behind those walls. It’s no secret that poor insulation can result in cold floors, uneven heating levels and mold.

Recently, I was invited to tour the Ow-ens Corning Toronto plant on McNicoll Avenue in Scarborough. From the outside, it is a massive jungle of industrial steel and heavy equipment but inside, things are a little softer, a little pinker. I’m getting ahead of myself, let me explain.

The international innovator of glass-fi-ber technology has been working over the last three years to increase the amount of natural and recycled material in their new-ly-launched EcoTouch Pink Fiberglas Insu-lation. They are touting a minimum of 70 per cent recycled content and a minimum of 96 per cent (by weight) of natural mate-rial consisting of minerals and plant-based compounds in this latest product.

Last May, the Toronto plant was “eco-retrofitted” and research and development of the product was completed in Canada

instead of the U.S. Retrofit-ting of the American plants is expected to be completed later this year, but as I was told during the tour, the company is also proud to say that the product was avail-able to builders and contrac-

tors in Canada first. Now, when does that ever happen?

At BILD, we’ve adopted a mandate to promote sustainable development and green building practices. We also aim to educate and motivate members, which is one reason we partnered with EnerQuality Corporation, the organization that operates the ENERGY STAR program in Ontario, to provide workshops to our members. We know there’s a thirst for knowledge about innovative products and practices, and this new generation of insulation is only one example of how business leaders in our industry are looking at ways to minimize our impact on the environment—from the inside out.

Sunning ourselves at BILD HQJust a few pages away, inside this issue

of Sustainable Builder magazine, you’ll read all about the new 80-panel solar PV (photo-voltaic) array that PURE Energies installed

on BILD’s rooftop. I admit, I was pretty pumped about our latest green initiative here at the Association’s headquarters so we invited our partners at PURE Energies, our Directors, our green builders, our staff and our tenants, which include the Ontario Home Builders’ Association and EnerQual-ity Corporation (the ENERGY STAR for new homes organization) to help us cele-brate last month. We were also honoured to have Energy Minister Brad Duguid join us along with Elizabeth McDonald, President of the Canadian Solar Industries Associa-tion.

One of the reasons we gathered everyone at the building and in front of a HD screen mounted in our foyer, was to show real-time data of solar energy collected and con-verted before being fed back into Ontario’s power grid. We also wanted to show how easily the elements can be installed and un-derstood. This kind of project isn’t just for office buildings or new home developments either. A partnership between PURE Ener-gies and Direct Energy has resulted in a new program for homeowners and the installa-tion and maintenance of the solar panels is at no cost to the homeowner. We’ve learned how easy it is to soak up the sun and now you can too. Bring on the sun!

Stephen Dupuis is the President and CEO of Building Industry & Land Development As-sociation

By

stephen Dupuis

Pink is the

new GreenWe need energy all the time to do every-

thing. We need energy to build and operate the homes and buildings we construct. And we often use it without considering the source or the inputs for the en-ergy to be generated.

In Canada, oil is an exported commodity, and we no longer, typically, use it to power our buildings. In our predominantly cold climate, the switch to natural gas from oil for heating was driven by the much lower cost of natural gas. Yet, the impact of oil pricing on our buildings remains in the form of build-ing materials and transportation. Until non-oil substitute ma-terials are developed, oil remains an integral part of our costs in our buildings.

At publication time, the price of oil was approximately $100 per barrel, and the price of gas in the GTA was $1.21 per litre.

This latest pricing benchmark compares closely to Septem-ber 2008, prior to the credit crunch and the following Great Re-cession. The recurring benchmark pricing is really just the other side of the “pricing pothole” through which the economy drove in the last two years, along the roadway of increasing oil costs.

This recent benchmark was reached by events in the Middle East, and, in particular, Libya. A country that exports some two per cent of the world’s oil supply is significant for its part only because the supply is tight and the energy chain is sensitive.

And, so, we are driven to consider what alternative energy supply opportunities are available. Consider solar power: sun-light is the world’s largest source of carbon-neutral power. In one hour, more energy from the sun strikes the Earth than all the energy consumed by humans in a year. Meanwhile, solar panels contribute a mere 0.1 per cent to global electricity consumption.

These days you may consider a num-ber of the clean technologies available to

power your building - solar, wind, or geothermal. You may even consider on-grid and off-grid power solutions.

The ability to capture and convert a freely available energy supply is attractive. The opportunity to do so will require an in-vestment in some new technology. And, when considering new technologies the real questions you should be asking are: How soon? And how much?

Early adopters face the uncertainty of the future. Without a compelling event or a deadline to mandate a decision, the cheapest outcome may arrive in the maximum amount of time. Conversely, the quickest result may cost the most.

Within the timeframe for a decision, available choices limit your ability to get the best results in all cases. Each decision sets your future course. In preparing for a decision, you can try to align the facts with your view of the world and your expectation of the outcomes for the various paths of decision.

As events unfold faraway from where you are building, the impacts on your decisions may not be revealed for some time. But the essential truths remain valid: a building costs money to maintain and operate; and the energy to heat it in our cold cli-mate, or otherwise power it.

If trying to decide whether to use renewables on your proj-ects, you may want to consider the following:Q: Are renewable energies ready for market adoption? A: Yes.Q: Are renewable energies economically sensible at this time? A: Almost. As oil prices increase, the question of cost for alter-native energy sources disappears and the timeliness approaches. Q: Is the leadership benefit worth the potential added costs and risks? A: This is the key question for you to consider and it will vary from builder to builder depending on your market position and risk tolerance.

Gregory Cook, P.Eng. is a Consulting En-gineer and President of Cook Consulting Engineers Limited.

By

gregory K. Cook

When is the right Time to Choose renewable Energy?


By Staff

Canada’s home insurers are looking to establish a sys-tem to recognize builders who construct homes less likely to experience damage from earthquakes and severe weather events. New homes that exceed the

requirements of the Building Code in terms of safety and du-rability would be eligible for this accreditation. The industry is currently looking for builders to create a system that would al-low this to happen.

The program under development is called Designed… for Safer Living® and it is aimed at demonstrating the quality of construction, design, and landscaping to consumers and insurers. The Institute for Catastrophic Loss Reduction (ICLR) is seeking to create market recognition for builders who design and build solid, resil-ient homes by creating a clear and under-standable signal for consumers and insur-ers.

ICLR is a research institute, founded by Canada’s insurance industry in 1997, with the mandate to find ways Canadi-ans can reduce the risk of deaths, injuries, and property damage resulting from severe

weather events and earthquakes. Worldwide, insurers report that losses from flooding, wind storms, wild fires, and earth-quakes have doubled every five to seven years since the 1960s. By improving construction practices, the industry hopes to confront this trend.

Canada’s insurers have invested in a long-term research pro-gram that identifies best practices for the design and construc-tion of new homes. ICLR has provided support to dozens of ac-ademic researchers who are working to identify these best prac-tices. This research deals with damage from wind, snow, ice, earthquakes, mould, and a range of other hazards.

This investment is beginning to bear fruit. For example, in 2010 the insurance industry made its first submissions in several decades meant to strengthen the Building Code .

Canada’s home insurers tasked ICLR to document practical building practices and materials that are proven to withstand earth-quakes and extreme weather. The result of this research is available online at: http://www.iclr.org/homeowners/newhomes.html

Some key insights involve adding protec-tion to windows and doors, providing stron-ger connections between the roof, walls and foundation, and making the roof thicker.

ICLr’s First Designed… for Safer Living home located in West Point, on the western shore of Prince Edward Island.

Insurance Industry Developing a Safety Accreditation for Builders

Adapting to Climate Change:


ICLR recognizes that simply creating a list of good building practices will not by itself make Canadians safer. To date, ICLR has worked with Cooperators General Insurance to build three De-signed… for Safer Living homes. They identified homes that need-ed to be rebuilt following major fires and agreed to go beyond their contractual obligations to build disaster-resilient homes. The first of these homes, in Prince Edward Island, survived the remnants of Hurricane Noel with no damage.

ICLR is now reaching to home builders committed to building excellence, to provide affordable and independently verified prop-erty protection.

The insurance industry was instrumental in promoting road-safety improvements, such as side-impact air bags and ABS brakes, and consumers understand these safety features are worth buy-ing. ICLR seeks to bring this thinking to the new home industry. Builders can make new homes more resilient and give homeowners the increased peace of mind.

Program benefits to home builders:• Independent verification provides a clear signal to consum-

ers that your company builds homes that exceed the Build-ing Code.

• Cost effectiveness, as modest changes in design can significantly enhance loss prevention and buyers will pay for added safety.

A similar program operates successfully in the United States. Home builders have constructed several thousand homes across the

country, which provide a solid foundation for success in Canada. Participating in the ICLR program has just two steps. First, to

meet with ICLR inspectors prior to construction to discuss the fol-lowing:

• Architectural drawings, showing floor plans and elevations. • Window/door schedule. • Structural drawings (if applicable). • Base flood elevation (if applicable). • Truss drawings from the truss manufacturer. • Documentation on wall and roof sheathing, fastening schedules, and roof-covering materials used.

An ICLR inspector must verify that materials, installation, con-struction, and building techniques meet program criteria for the location. At the end of this first stage, ICLR authorizes the builder to use the Designed… for Safer Living logo in its marketing ma-terials.

The second step involves inspections during the building pro-cess. The program requires that an ICLR inspector visit the build-ing site approximately four times to verify compliance.

At the end of this process, the homeowner would receive certi-fication from ICLR.

To learn more about our program, please visit www.iclr.org or contact Grant Kelly, director, Climate Change Adaptation Proj-ects, at the Institute for Catastrophic Loss Reduction at [email protected] or 416-364-8677.

Visit our website www.airsolutions.ca

Palgrave office hours:Saturday to Wednesday Noon to 5:00 pm

Specifications and dimensions are subject to change without notice. Artist 's concept. E.&O.E.

905.583.7676


Rainwater Harvesting Guidelines for Ontario By Chris Despins

Although rainwater harvesting (RWH) is an ancient technique and is still practised in many rural ar-eas of Ontario and across the world, adapting it to today’s urban environments and meeting current

building code requirements pose a challenge to those who are considering incorporating RWH in their projects.

Many Ontario municipalities have expressed interest in rainwater harvesting, as a result of constraints they are facing in terms of water draws or storm and sewage allot-ments. There are numerous benefits to rainwater harvest-ing, including:• On-site storm-water management;• Potable water savings; and• Available credits under Green building standards, such

as LEED or municipal programs like the Toronto Green Standard.

A multi-stakeholder working group has just released the Ontario Guidelines for Residential Rainwater Harvesting Systems. These guidelines address fundamental questions of rainwater usage, treatment, and system sizing through a comprehensive overview of the various components that

comprise an RWH system, including: rainwater catchment and conveyance, storage tank selection and sizing, rainwa-ter quality and treatment, non-potable water piping, back-flow prevention, and chapters on handling both insufficient and excessive amounts of rainfall. For each of these top-ics, detailed design, installation, and management guide-lines are provided based upon codes and standards appli-cable in the Ontario, such as Ontario’s Building Code and CSA Standards.

In addition to referring to the applicable codes and stan-dards, the guidelines provide best practices for addressing issues unique to Canada – especially handling cold-weath-er issues.

One important contribution of this research was the de-velopment of tank-sizing guidelines and the development of computer software - the Rainwater Harvesting Design Tool - specifically aimed at sizing rainwater storage tanks.

Free copies of the Ontario Guidelines for Residential Rainwater Harvesting Systems and the Rainwater Harvest-ing Design Tool are available at: www.connectthedrops.ca and www.sustainabletechnologies.ca.

Chris Despins, M.Sc., P.Eng., President, Connect the Drops [email protected]

rainwater harvesting tank being installed



SHEET METAL WORKERS’ INTERNATIONAL ASSOCIATION LOCAL UNION NO. 285234 Attwell Drive Etobicoke, ON M9W 5B3 • Tel: 416-630-1160 • Fax: 416-630-2846

Congratulations Martino Contractors Ltd. on your achievements!Congratulations Martino Contractors Ltd. on your achievements!

www.questgeothermal.com

Geothermalmade easy.After many years of experience in the industry and hundreds of installations, we founded Quest Geothermal based on a simple idea: make it easy.Let us show you how to enhance your reputation as a green builder and a leader in your industry.

Contact us today at 1-877-658-9997 [email protected]

Rainwater Harvesting Guidelines for Ontario


Not All High-Efficiency Furnaces are the Same – Just as a Buick is not a Lexus

In my experience over the last 25 years, one of the worst things that can hap-pen to a new home is to have a repeat

failure of the heating system, especially in an ENERGY STAR-certi-fied home. After two failures, the homeown-er’s trust and confidence in the builder is forever lost. And because ENERGY STAR labelling only deals with efficiency, it’s important for ENERGY STAR builders to choose furnaces that are also quiet, reliable, and durable.

Until recently HVAC contractors have made all the decisions about the design and installation of heating systems in residential housing. The trend now is for builders to hire heating designers directly, in order to at-tain heating permits on a subdivision scale. With plans in hand, contract managers can now achieve more uniform pricing.

Traditionally HVAC permits were se-cured by contractors, and the layouts were a “loss leader” to get the job, resulting heat loss designs were more cookie cutter. And in terms of energy-efficient housing, they usu-ally didn’t reflect the actual home’s envelope as much as meet the minimum code. Thus, the heating plant was grossly oversized. To-

day, heating designers are producing better designs, and the builder has better control of

the furnace location. The more strategic placement of “risers” has created few-er bulkheads, resulting in lower costs.

One question remains: Who chooses the actual equipment that is installed?

It now seems in most cases the “brand” and model of the favoured HVAC contractor ends up in the house. The 2012 code chang-es allow for prescriptive path packages speci-fying furnaces with more than 92 per cent efficiency. This enables the builder to get a trade-off reduction in the required wall in-sulation levels when choosing higher annual fuel utilization efficiencies (AFUE).

Currently, manufacturers are producing single-stage furnaces with 95 per cent effi-ciency ratings and three-speed motors, also referred to as permanently split capacitor (PSC) motors. In the past, such furnaces had electronically commutated motors (ECM), and efficiency ratings were at more than 92 per cent. It sounds like this is an improvement, but builders need to be aware that the real comparison should be made on other factors, in addition to high AFUEs and lower costs.

For gas-heated homes in southern Ontar-io, there will be 13 compliance approaches in the 2012 Building Code, and of these C, D, F, H, and J use furnaces with 94 per cent AFUE to trade off against insulated wall sheathing and an HRV. Path J is the same as the most popular trade-off package used by builders in the ENERGY STAR for New Homes – Builder’s Technical Specifications Version 3.0 and Version 4.0. In this option package, R22 walls are traded off against a 94 per cent furnace, and an HRV at 60 per cent, and a hot-water tank at an energy fac-tor equal to 0.67 (EF= 0.67).

In this industry brands such as Carrier and Lennox have long been considered the premium brands, with respect to furnaces. In the early ’90s, Carrier was the first to employ the use of ECM blower technologies in its Infinity furnaces. ENERGY STAR-certified builders became interested in ECM motors 15 years later, in 2005, with the electrical peak reduction pick list in ENERGY STAR Version 1.0.

The Building Canada and Build America programs direct efforts to help builders criti-cally review their production process to save materials and increase a building’s durabil-ity. The idea behind this is to spend more resources up front to reduce callbacks and increase consumer satisfaction over time.

By

Johngodden



As with best building practices, a higher-quality mechanical system, such as a furnace, can reduce callbacks and increase customer satisfaction for only a couple of hundred dollars more at the front end. The question is: How do you choose when to invest more upfront?

Other than an ENERGY STAR label and the right sizing of a furnace, what are the oth-er key components a builder should “invest” in when choosing a furnace? For the answer, it is helpful to compare the choices available to a benchmark. The American National Standards Institute (ANSI) has various test-ing criteria that must be met by all furnace manufacturers. However, the ANSI tests only account for 60 per cent of some manu-facturers’ test programs. ANSI tests, as well as the International Standard Organization (ISO) 9001 registered process, are applied by some manufacturers in their factories.

In developing blower specifications and fan curves ANSI requires only one duct con-nected to the furnace. Many manufactures use this method. Better furnace manufac-turers perform this test with more than one connection, to better simulate the actual performance in a house. Why? The better the distribution, the more comfort that ex-ists, both in terms of “even heat” and air de-livery for cooling for the occupants.

There are industry maximum sound lim-its under ANSI testing for furnaces. How-ever, better furnace manufacturers apply the same approach to reducing sound levels in air conditioners as they do to furnaces. There are big differences in the results between the quietest furnaces at low fire on two-stage, variable-speed furnaces and builder-model, high-efficiency furnaces. Typical furnaces experience a “noise spike” during ignition - a rapid rush of gas to cold burners. Quiet furnaces are outfitted with slow-opening gas valves to reduce this “spike.” When coupled with an ECM motor, the furnace can gradu-ally and quietly “ramp up” to its desired heating mode.

As houses have lower heat loss designs thanks to better windows, more insulation, and less air leakage, a “right-sized,” two-stage furnace provides more comfort to its occu-pants. Cycling, starts and stops, and large temperature swings are common with sin-gle-stage furnaces. Better quality two-stage furnaces can operate at about 60 per cent of full output and, thus, run for 90 per cent of the heating season.

The average furnace cycles on and off an

average of 10, 000 cycles and burns gas for about 1,000 hours per annum. During a 20-year life expectancy that translates into 200, 000 on/off cycles and 20,000 hours of operation.

A good analogy for understanding how a furnace works in a house is to think of it like an engine in your car. A car travel-ling 40 mph would have to travel 800, 000 miles and average four miles per trip (cycle) to achieve the same expected lifespan. Imag-ine turning on your car’s ignition a total of 10, 000 times for 365 days a year – that’s 23 times a day.

Some furnaces use hot surface igniters that are more brittle and prone to damage in transport to construction sites. The hot surface igniters are usually composed of sili-con nitride, which runs on normal current (instead of failure-prone voltage regulators) that have passed 20-year reliability tests.

Careful choices at the front end will re-sult in a more satisfied home buyer. The less expensive furnaces may be priced that way for a reason, as even with a 94 per cent ef-ficiency rating, they can still generate a ser-vice call mere weeks after closing, when an igniter (starter) fails.

To register please contact: Pamela [email protected]

800-265-68782

attentionQualitY builders

How do I prepare?How will I maintain my advantage as a quality builder?

Roxul® presents a half day seminar in Milton to answer these questions and more and includes a tour of our state of art manufacturing facility designed to assist quality builders to stay ahead. The seminar will be led by John Godden, a well known builder, rater and energy consultant.

John is very passionate about the sustainability in the building industry. He does extensive training with progressive builders and is happy to share the benefits of his experience. The seminar will run from 9am to 1pm and will include a short tour of Roxul’s manufacturing facility. There will be an optional discussion period afterward for those who wish to stay behind. Space is limited to 20 builders per event, so register early!

Topics include:Building Envelope, Mechanical, Municipalities and mandated performance levels, and Renewables.

Includes:One half day seminar at the Roxul plant on Friday, April 15th, 2011,9am-1pm.

BIG CHANGES are coming with the Ontario Building Code in 2012.

QualitY builders

How will I maintain my advantage as a quality builder?

2.

attentionQualitY builders

How do I prepare?How will I maintain my advantage as a quality builder?

Roxul® presents a half day seminar in Milton to answer these questions and more and includes a tour of our state of art manufacturing facility designed to assist quality builders to stay ahead. The seminar will be led by John Godden, a well known builder, rater and energy consultant.

John is very passionate about the sustainability in the building industry. He does extensive training with progressive builders and is happy to share the benefits of his experience. The seminar will run from 9am to 1pm and will include a short tour of Roxul’s manufacturing facility. There will be an optional discussion period afterward for those who wish to stay behind. Space is limited to 20 builders per event, so register early!

Topics include:Building Envelope, Mechanical, Municipalities and mandated performance levels, and Renewables.

Includes:One half day seminar at the Roxul plant on Friday, April 15th, 2011,9am-1pm.

BIG CHANGES are coming with the Ontario Building Code in 2012.

QualitY builders

How will I maintain my advantage as a quality builder?

2.

Half day seminars at the Roxulplant on April 15th, 2011 9am-1pm.


Provinces across Canada are looking at the possibility of mandating energy ratings for houses. Mandatory labelling

could help increase consumer awareness regarding their home energy use, encour-aging them to upgrade their home’s en-ergy efficiency, making it more attractive to potential buyers. It could also stimu-late “green” jobs with many companies now positioned to capitalize on the de-mand for energy audits. There are, how-ever, many unresolved questions that need to be addressed, to ensure any new regulatory system does not become a ho-meowner’s nightmare.

Many point to the EnerGuide Rat-ing System (ERS) as the answer. ERS has been the defacto standard that has served for many years as the voluntary approach to labelling. The ERS rater infrastructure has been well established across the coun-try and could underpin a new regulatory system. While this is all true, redeploying a voluntary system to act as the new foun-dation for mandatory regulation may not be at all easy.

Any mandatory rating system would need to enjoy broad acceptance. The En-erGuide Rating System has come un-der substantial criticism recently. In re-sponse, NRCan has agreed to substantial-ly overhaul the system to better meet the needs of the marketplace. The new ERS

will need some time to be tested and gain broad support if it is to act as an effective regulatory tool.

With approximately 50,000 new homes built in Ontario every year that add to the approximately 1.8 million existing low-rise houses, labelling each house when it’s sold is not a formidable undertaking. Add to this the almost 1.5 million households in high-rise condominiums and apartments, and it becomes clear very quickly that an arm’s length organization will likely be needed to co-ordinate the labelling activities. The sys-tem to rate Ontario’s houses must be thor-oughly planned, managed, and adminis-tered to avoid problems and expenses that, ultimately, homebuyers would cover.

The cost of the rating is a central con-cern that needs to be carefully considered. A needlessly expensive rating could gener-ate widespread public backlash. The pre-vailing assumption that a rating can only derive from an on-site audit would need to be thoroughly tested. In fact, an argument can be made that for existing homes with an abundance of energy-use data already collected by local energy utilities, an on-site audit of energy use not only lacks precision, but is also redundant. It can be argued that an on-site audit adds an unnecessary cost and is only needed where homeowners are looking for advice on how to upgrade the performance of their buildings.

The certification, training, and licensing of raters is a key issue that any new manda-tory system would need to address. The rat-ing a home receives cannot vary significant-ly from one rater to another. Public confi-dence in a rating system would be quickly eroded if home ratings were not calculated independent of the rater.

Homeowner’s complaints must be dealt

with in a fair and transparent manner. The redress system that is adopted is critical-ly important. The system will need to re-spond to homeowners’ complaints – every-thing from poor customer service to raters who recommend friends and relatives to perform the energy upgrades they recom-mend.

Which stakeholders need to be consult-ed as a new system is devised? What role would be assigned to the provincial energy regulator as part of a new system? Do local electric and gas utilities have a role to play within the new system? If a rating is re-quired under legislation, what actions tak-en by a homeowner would necessitate the need for an updated rating for his or her new home? These are important questions that would need to be resolved before the roll-out of any new mandatory system.

Rolling out a mandatory home-energy rating system will be far more challenging than many imagine. A new mandatory rat-ing system will need to use a well-regard-ed rating standard. It will need to use well-trained and competent raters. A new system will need to properly inform and educate homeowners and provide them with the as-surance of accuracy and precision. Hom-eowners will expect courteous and timely service at a reasonable cost, and where the system fails to deliver on its promise, they will expect fair and prompt redress. Meet-ing the expectations of homeowners may well be the biggest challenge of any new mandatory rating system.

Michael Lio is a building scientist and a pro-fessional engineer. He is the Executive Direc-tor of the Homeowner Protection Centre of Canada. He can be contacted at [email protected].

Regulating Energy Ratings for Houses

By

Michael LioSpeaking in Code


Documents

Sustainable Builder Magazine - Spring 2011