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This document was specifically prepared to aid utility account managers who are working with C&I customers. Any other use of this material(in whole or in part) is not allowed without the express written consent of Questline, Inc., 2025 Riverside Drive, Columbus, OH 43221.
Best of the WebEnergy Calculators
Mike Carter
Mark Farrell
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Meet Your Panelists
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Contents
Calculatorso Motors
o VFDs
o Lighting
o HVAC
o Fuel Cost Comparison
o Carbon Footprint
o Engineering Calculators
o Process Heating
o Food Service
o Cool Roofs
o Home Energy Use
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What Makes a Good Calculator?
Simpleo Limited variables
o Clearly stated assumptions
o Straightforward input to results
o Good aesthetics
o Layered for more detailed analysis
Accurateo Credible
o Repeatable
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Calculators
Tools You Can Use http://members.questline.com/ToolsYouCanUse.aspx
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Motor Calculator
Simple formulaokW = 0.746 x HP
motor efficiency
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Motor Calculator
Engineering ToolBoxwww.engineeringtoolbox.com
o Select “Electrical”
• Then "Electric Motor Calculator"
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Motor Calculator
Motor Master+o http://www1.eere.energy.gov/industry/bestpractices/motors.html
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VFD Calculator
Calculation Challenge
Flow Rate (%)
Inp
ut
Po
we
r (%
)
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10 20 30 40 50 60 70 80 90 100
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30
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50
60
70
80
90
100
110
120
130
140Outlet Damper
Inlet Guide Vanes
Disc Throttle
Ideal Fan Control
Variable PitchAxial Fan
VFD
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VFD Calculator
Honeywello One fixed lower speed
• Example VFD = 28%
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VFD Calculator
ABBo Multiple speeds
o Variable dutycycle
o Flow rates (cfm)
o Efficiencies
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VFD Calculator
Questline Advanced VFD Calculatoro 3 steps
o Simpler input
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VFD Calculator
Questline Advanced VFD Calculatoro Energy
o Environmental
o Economics
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Lighting Calculator
Multiple dropdowns
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Lighting Calculator
Quick summary
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Lighting Calculator
Questline Advanced Lighting Calculator
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Lighting Calculator
Questline Advanced Lighting Calculatoro Energy
o Environmental
o Economics
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Lighting Calculator
GE Lighting Calculatorwww.gelighting.com/na/business_lighting/education_resources/tools_software/toolkit/energy.htm
o Economics
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HVAC Calculator
HVAC Calculator ChallengeoEnergy use variables
• One ton cooling per 400 ft2 ???
• Heating estimates by climate zones ???
• Insulation levels ???
• Quality of construction ???
• Thermostat settings ???
• Number of windows ???
oTreat results as very rough estimates
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HVAC Calculator
PNNL Rooftop HVAC Calculatorhttp://www.pnnl.gov/uac/costestimator/main.stm
o15 variables
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HVAC Calculator
Questline Advanced HVAC Calculatoro 10 variables
• Climate datavia zip code
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HVAC Calculator
Questline Advanced HVAC Calculatoro Energy
o Environmental
o Economics
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HVAC Calculator
FEMP HVAC Calculatorso Commercial Unitary Air Conditioners
http://www1.eere.energy.gov/femp/technologies/eep_unitary_ac_calc.html
o Air-Cooled Chillers
http://www1.eere.energy.gov/femp/technologies/eep_ac_chillers_calc.html
o Water-Cooled Chillers
http://www1.eere.energy.gov/femp/technologies/eep_wc_chillers_calc.html
o Commercial Heat Pumps
http://www1.eere.energy.gov/femp/technologies/eep_comm_heatpumps_calc.html
o Boilers
http://www1.eere.energy.gov/femp/technologies/eep_boilers_calc.html
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HVAC Calculator
FEMP Water-Cooled Electric Chillerso9 variables
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HVAC Calculator
FEMP Commercial Heat Pumpso14 variables
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HVAC Calculator
DOE HVAC Softwarehttp://apps1.eere.energy.gov/buildings/tools_directory/subjects_sub.cfm
o Whole Building Analysis
o Codes & Standards
o Equipment & Systems
• Building Envelope
• HVAC Systems
• Lighting Systems
o Other Applications
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Fuel Cost Calculator
1 MMBtu Output
Equivalent Btuo Electric
o Natural Gas
o Heating Oil
o Propane
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Carbon Footprint Calculator
Many out there
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Carbon Footprint Calculator
Electric Generationhttp://carma.org/
o Power plant
o Power company
o Geographic region
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Carbon Footprint Calculator
Electric generation mixoCARMA: Ohio
• 1,748 lb CO2/MWh
• 136 power plantso 89% fossil fuel
o 10% nuclear
o <1% hydro and other renewables
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Carbon Footprint Calculator
Fuel ConversionsoElectricity – CARMA or power company data
oNatural Gas – 12.06 lbs CO2/ccf [500 lbs/MWh]
oHeating Oil – 22.38 lbs CO2/gal [680 lbs/MWh]
oPropane – 12.67 lbs CO2/gal [590 lbs/MWh]
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Carbon Footprint Calculator
Commercial
Industrial
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Carbon Footprint Calculator
Location Specific
Building Specific
Customizable
Project ImpactoWhat-if ??
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Engineering Calculators
Engineering ToolBoxwww.engineeringtoolbox.com
o Select “Electrical”
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Engineering Calculators
Engineering ToolBoxwww.engineeringtoolbox.com
o Select “Electrical”
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Process Heating Calculators
DOE Steam Systems Toolshttp://www1.eere.energy.gov/manufacturing/tech_deployment/software_ssat.html
o Scoping
o Modeling
o Insulation
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Process Heating Calculators
DOE Process Heating Systems Toolhttp://www1.eere.energy.gov/manufacturing/tech_deployment/software_phast.html
o Heat balance
o Energy intensiveequipment
o “What-if” scenarios
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Food Service Calculators
Food Service Technology Centerhttp://www.fishnick.com/saveenergy/tools/calculators/
o Cost of ownership
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Food Service Calculators
Electric Fryer Cost Calculator
o Input
• Preheat energy (kWh)
• Idle power (kW)
• Efficiency (%)
• Production Capacity (lbs/h)
o Default
• Usage (hrs)
• Fuel cost
• Lifespan (years)
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Food Service Calculators
Appliance Tech Assessmentshttp://www.fishnick.com/equipment/techassessment/
o Types
o Controls
o Heating technologies
o Energy consumption rate
o Efficiency
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Cool Roof Calculator
Oak Ridge National Labhttp://www.ornl.gov/sci/roofs+walls/facts/CoolCalcEnergy.htm
o 243 locations
o 8 variables
o Savings relative to a black roof
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Home Energy Use Calculators
Lawrence Berkeley Labhttp://hes.lbl.gov/consumer/
o 20+ variables
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Home Energy Use Calculators
Lawrence Berkeley Labhttp://hes.lbl.gov/consumer/
o Existing vs.upgraded
• End-use costs
• Lbs CO2
o Itemized upgrades
o Roadmap to results
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Home Energy Use Calculators
Questline Home Energy Analyzer
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Home Energy Use Calculators
Questline Home Energy Analyzero <20 variables
o >20 Ways to Save
o Carbon equivalents
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Home Energy Use Calculators
AnalysisoMonthly data
• January 2012 heating o Mouse-over $148
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Home Energy Use Calculators
Heating SystemComparisono Natural gas
furnace
o Heat pump
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Home Energy Use Calculators
Heating System Comparison
Go to www.questline.com
Provided by:Questline2025 Riverside DriveColumbus, OH [email protected]@questline.com
49Questline has received source permission to use the images found in this presentation. All recipients must also obtain source permission before reusing the content in any other form.
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