U.S.A. Conserval Systems Inc. 4242 Ridge Lea Road, Suite 28, Buffalo, NY 14226 P: 716-835-4903 F: 716-83 5-4904 E: [email protected] www.solarwall.com Canada Conserval Engineering Inc. 200 Wildcat Road, Toronto, ON M3J 2N5 P: 416-661-7057 F: 416-661-7146 E: [email protected] www.solarwall.com SolarWall ® systems are patent protected . SolarWall ® is a registered trademark of Conserval Engineering, Inc. Norfolk Naval Station Military Background When the Executive Presidential Order was issued stating that all federal agencies had to reduce energy consumption 35% by 2010, Norfolk Naval Station became one of the first Federal Agencies to participate in the program. An energy audit conducted at the base revealed that installing a SolarWall ® solar air heating and ventilation system would be a cost effective method for reducing energy consumption. Solution With the federal government's Million Solar Roofs Initia- tive in place, the Norfolk Naval Station was eligible for a $98,000 contribution from the Department of Energy to contribute towards the costs of the SolarWall system. Two maintenance buildings were subsequently outfitted with SolarWall systems. The first system was 3,370 ft 2 (330 m 2 ) and was installed on Maintenance Building MN- 92, along with two 24” fans to distribute the air. A second system - measuring 2,000 ft 2 (187 m 2 ) - was installed on Building SP-233 along with one fan. The air duct system draws the heated fresh air in from the panels and distributes it throughout the maintenance buildings. At night, if the ventilation system is in opera- tion, the heat escaping through the south wall is captured by the intake air flowing through the air-duct system. The SolarWall system also destratifies the air temperature by reducing the ceiling temperature and maintaining uni- form indoor a ir stratification. This results in further energy savings. Results As well as maintaining a high standard of indoor air qual- ity and providing free heat, the SolarWall system was pro- jected to save the US Navy at Norfolk $12,000 per year (at 2001 energy prices) in displaced energy costs. As energy prices have escalated substantially since 2001, the value proposition and life-cycle cost savings of the technology have become even more compelling. The solar installation also displaces 7.3 tons of greenhouse gas emissions each year. Dark bronze SolarWall ® system on the south walls of two maintenance buildings at Norfolk Naval Station in Virginia. Left, A closer view of one of the SolarWall ® systems with protruding window coverings, at the Norfolk Naval Station

SolarWall Case Study - US Military Norfolk Naval Station (solar air heater system)

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Page 1: SolarWall Case Study - US Military Norfolk Naval Station (solar air heater system)

U.S.A.Conserval Systems Inc.4242 Ridge Lea Road, Suite 28, Buffalo, NY 14226P: 716-835-4903 F: 716-835-4904E: [email protected]

CanadaConserval Engineering Inc.200 Wildcat Road, Toronto, ON M3J 2N5P: 416-661-7057 F: 416-661-7146E: [email protected]

SolarWall ® systems are patent protected. SolarWall ® is a registered trademark of Conserval Engineering, Inc.

Norfolk Naval Station

Military

Background

When the Executive Presidential Order was issued statingthat all federal agencies had to reduce energy consump-tion 35% by 2010, Norfolk Naval Station became one ofthe first Federal Agencies to participate in the program.

An energy audit conducted at the base revealed thatinstalling a SolarWall® solar air heating and ventilationsystem would be a cost effective method for reducingenergy consumption.

Solution

With the federal government's Million Solar Roofs Initia-tive in place, the Norfolk Naval Station was eligible for a$98,000 contribution from the Department of Energy tocontribute towards the costs of the SolarWall system.

Two maintenance buildings were subsequently outfittedwith SolarWall systems. The first system was 3,370 ft2 (330 m2) and was installed on Maintenance Building MN-92, along with two 24” fans to distribute the air. A secondsystem - measuring 2,000 ft2 (187 m2) - was installed onBuilding SP-233 along with one fan.

The air duct system draws the heated fresh air in from thepanels and distributes it throughout the maintenancebuildings. At night, if the ventilation system is in opera-tion, the heat escaping through the south wall is capturedby the intake air flowing through the air-duct system.

The SolarWall system also destratifies the air temperatureby reducing the ceiling temperature and maintaining uni-form indoor air stratification. This results in further energysavings.

Results

As well as maintaining a high standard of indoor air qual-ity and providing free heat, the SolarWall system was pro- jected to save the US Navy at Norfolk $12,000 per year(at 2001 energy prices) in displaced energy costs. Asenergy prices have escalated substantially since 2001,the value proposition and life-cycle cost savings of thetechnology have become even more compelling. Thesolar installation also displaces 7.3 tons of greenhousegas emissions each year.

Dark bronze SolarWall ® system on the south walls of two maintenance buildings at Norfolk Naval Station in Virginia.

Left, A closer view of one of the SolarWall ® systems with protruding window coverings,at the Norfolk Naval Station