Simple Energy Savings Calculator

This simple energy savings calculator was developed by the U.S. EPA and U.S. DOE and is provided for estimating purposes only. Actual energy savings may vary based on use and other factors. For a more sophisticated estimate, use the ENERGY STAR HVAC Investor software or a bin-hour tool.


ENERGY STAR Qualified Unit Conventional Unit
Initial Cost per Unit (estimated retail price)
Heating Seasonal Performance Factor (HSPF) rating
Seasonal Energy Efficiency Ratio (SEER) rating
Heat Pump Capacity (Btu/hr)
Use with programmable thermostat (Yes/No)