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Best of the Web Energy Calculators. Meet Your Panelists. Mike Carter Mark Farrell. Contents. Engineering Calculators Process Heating Food Service Cool Roofs Home Energy Use. Calculators Motors VFDs Lighting HVAC Fuel Cost Comparison Carbon Footprint. What Makes a Good Calculator?.

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Best of the Web Energy Calculators


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    Presentation Transcript
    1. Best of the WebEnergy Calculators

    2. Meet Your Panelists Mike Carter Mark Farrell

    3. Contents • Engineering Calculators • Process Heating • Food Service • Cool Roofs • Home Energy Use • Calculators • Motors • VFDs • Lighting • HVAC • Fuel Cost Comparison • Carbon Footprint

    4. What Makes a Good Calculator? • Simple • Limited variables • Clearly stated assumptions • Straightforward input to results • Good aesthetics • Layered for more detailed analysis • Accurate • Credible • Repeatable

    5. Calculators Tools You Can Use http://members.questline.com/ToolsYouCanUse.aspx

    6. Motor Calculator • Simple formula • kW = 0.746 x HP motor efficiency

    7. Motor Calculator • Engineering ToolBox www.engineeringtoolbox.com • Select “Electrical” • Then "Electric Motor Calculator"

    8. Motor Calculator • Motor Master+ • http://www1.eere.energy.gov/industry/bestpractices/motors.html

    9. VFD Calculator 140 Outlet Damper 130 Inlet Guide Vanes 120 110 Disc Throttle 100 Variable Pitch Axial Fan 90 80 VFD Input Power (%) 70 Ideal Fan Control 60 50 40 30 20 10 10 20 30 40 50 60 70 80 90 100 Flow Rate (%) • Calculation Challenge

    10. VFD Calculator • Honeywell • One fixed lower speed • Example VFD = 28%

    11. VFD Calculator • ABB • Multiple speeds • Variable dutycycle • Flow rates (cfm) • Efficiencies

    12. VFD Calculator • Questline Advanced VFD Calculator • 3 steps • Simpler input

    13. VFD Calculator • QuestlineAdvanced VFD Calculator • Energy • Environmental • Economics

    14. Lighting Calculator Multiple dropdowns

    15. Lighting Calculator • Quick summary

    16. Lighting Calculator Questline Advanced Lighting Calculator

    17. Lighting Calculator • QuestlineAdvanced Lighting Calculator • Energy • Environmental • Economics

    18. Lighting Calculator • GE Lighting Calculator www.gelighting.com/na/business_lighting/education_resources/tools_software/toolkit/energy.htm • Economics

    19. HVAC Calculator • HVAC Calculator Challenge • Energy use variables • One ton cooling per 400 ft2 ??? • Heating estimates by climate zones ??? • Insulation levels ??? • Quality of construction ??? • Thermostat settings ??? • Number of windows ??? • Treat results as very rough estimates

    20. HVAC Calculator • PNNL Rooftop HVAC Calculator http://www.pnnl.gov/uac/costestimator/main.stm • 15 variables

    21. HVAC Calculator • Questline Advanced HVAC Calculator • 10 variables • Climate datavia zip code

    22. HVAC Calculator • QuestlineAdvanced HVAC Calculator • Energy • Environmental • Economics

    23. HVAC Calculator • FEMP HVAC Calculators • Commercial Unitary Air Conditioners http://www1.eere.energy.gov/femp/technologies/eep_unitary_ac_calc.html • Air-Cooled Chillers http://www1.eere.energy.gov/femp/technologies/eep_ac_chillers_calc.html • Water-Cooled Chillers http://www1.eere.energy.gov/femp/technologies/eep_wc_chillers_calc.html • Commercial Heat Pumps http://www1.eere.energy.gov/femp/technologies/eep_comm_heatpumps_calc.html • Boilers http://www1.eere.energy.gov/femp/technologies/eep_boilers_calc.html

    24. HVAC Calculator • FEMP Water-Cooled Electric Chillers • 9 variables

    25. HVAC Calculator • FEMP Commercial Heat Pumps • 14 variables

    26. HVAC Calculator • DOE HVAC Software http://apps1.eere.energy.gov/buildings/tools_directory/subjects_sub.cfm • Whole Building Analysis • Codes & Standards • Equipment & Systems • Building Envelope • HVAC Systems • Lighting Systems • Other Applications

    27. Fuel Cost Calculator • 1 MMBtuOutput • Equivalent Btu • Electric • Natural Gas • Heating Oil • Propane

    28. Carbon Footprint Calculator • Many out there

    29. Carbon Footprint Calculator • Electric Generation http://carma.org/ • Power plant • Power company • Geographic region

    30. Carbon Footprint Calculator • Electric generation mix • CARMA: Ohio • 1,748 lb CO2/MWh • 136 power plants • 89% fossil fuel • 10% nuclear • <1% hydro and other renewables

    31. Carbon Footprint Calculator • Fuel Conversions • Electricity – CARMA or power company data • Natural Gas – 12.06 lbsCO2/ccf [500 lbs/MWh] • Heating Oil – 22.38 lbsCO2/gal [680 lbs/MWh] • Propane – 12.67 lbsCO2/gal [590 lbs/MWh]

    32. Carbon Footprint Calculator • Commercial • Industrial

    33. Carbon Footprint Calculator • Location Specific • Building Specific • Customizable • Project Impact • What-if ??

    34. Engineering Calculators • Engineering ToolBox www.engineeringtoolbox.com • Select “Electrical”

    35. Engineering Calculators • Engineering ToolBox www.engineeringtoolbox.com • Select “Electrical”

    36. Process Heating Calculators • DOE Steam Systems Tools http://www1.eere.energy.gov/manufacturing/tech_deployment/software_ssat.html • Scoping • Modeling • Insulation

    37. Process Heating Calculators • DOE Process Heating Systems Tool http://www1.eere.energy.gov/manufacturing/tech_deployment/software_phast.html • Heat balance • Energy intensiveequipment • “What-if” scenarios

    38. Food Service Calculators • Food Service Technology Center http://www.fishnick.com/saveenergy/tools/calculators/ • Cost of ownership

    39. Food Service Calculators Electric Fryer Cost Calculator • Input • Preheat energy (kWh) • Idle power (kW) • Efficiency (%) • Production Capacity (lbs/h) • Default • Usage (hrs) • Fuel cost • Lifespan (years)

    40. Food Service Calculators • Appliance Tech Assessments http://www.fishnick.com/equipment/techassessment/ • Types • Controls • Heating technologies • Energy consumption rate • Efficiency

    41. Cool Roof Calculator • Oak Ridge National Lab http://www.ornl.gov/sci/roofs+walls/facts/CoolCalcEnergy.htm • 243 locations • 8 variables • Savings relative to a black roof

    42. Home Energy Use Calculators • Lawrence Berkeley Lab http://hes.lbl.gov/consumer/ • 20+ variables

    43. Home Energy Use Calculators • Lawrence Berkeley Lab http://hes.lbl.gov/consumer/ • Existing vs.upgraded • End-use costs • Lbs CO2 • Itemized upgrades • Roadmap to results

    44. Home Energy Use Calculators • Questline Home Energy Analyzer

    45. Home Energy Use Calculators • Questline Home Energy Analyzer • <20 variables • >20 Ways to Save • Carbon equivalents

    46. Home Energy Use Calculators • Analysis • Monthly data • January 2012 heating • Mouse-over $148

    47. Home Energy Use Calculators Heating SystemComparison • Natural gas furnace • Heat pump

    48. Home Energy Use Calculators Heating System Comparison

    49. Questline Go to www.questline.com Provided by:Questline 2025 Riverside Drive Columbus, OH 43221 800-824-0488mcarter@questline.commfarrell@questline.com Questline 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. 49