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Best of the Web Energy Calculators

Best of the Web Energy Calculators

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Best of the Web Energy Calculators

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  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