U.S. Department of Energy - Energy Efficiency and Renewable Energy
Federal Energy Management Program – Energy-Efficient Products
Energy Cost Calculators
The calculators below allow users to enter their own input values (e.g., utility rates, hours of use, etc.) to estimate the energy cost savings from buying a more efficient product. Some are Web-based tools; others are Excel spreadsheets provided by ENERGY STAR® for download (as indicated). Other resources include FEMP Building Life-Cycle Cost (BLCC) software for detailed life-cycle cost analysis and MotorMaster+ software for identifying "Premium" efficiency motors.
Lighting
Commercial and Industrial Equipment
Food Service Equipment
Office Equipment
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Appliances
Residential Equipment
Plumbing
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