Energy Saving Calculator

Use the calculator below to compare yearly electricity costs to operate central air conditioners with different SEER ratings. Find out how much money you could save on your electricity bill by choosing a high-efficiency system!

Energy Savings Calculator


  • This calculator was designed to compare existing HVAC units to high-efficiency units without specific SEER rating limits. Assumptions: $0.15 per kWh electrical cost and the seasonal cooling days per ASHRAE standards. 
These are the maximum savings based on seasonal operating hours. Actual realized savings may be less based on thermostat settings, home heat gain, etc. Calculator is based on Baltimore, MD heating season.