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Energy Savings Calculator

A highly efficient comfort system adds up to major savings

If your home comfort system was installed before the year 2000, you might consider changing to a new, high-efficiency system. That's because older equipment wastes energy and costs you significantly more to heat and cool your home.

To see how much you can save each year with a higher-efficiency system, use our calculator:

  1. Click on the "AC" or "Heat" button on the left side of the calculator.
  2. Use the drop-down menu at the top-right corner to select the area where you live. (This helps determine fuel and electricity rates, which vary by region.)
  3. Click on the up-and-down arrows to select an AFUE or SEER rating. The efficiency rating you select will be compared to a base heating or cooling system.*
  4. Potential dollar savings are shown at bottom of the calculator, and the percent of annual savings is displayed at right.

Additional Information on Energy Savings


*Air conditioner calculations are based on every $100 spent to cool a home using a 3-ton, 8-SEER unit. The criteria base for furnaces is a 60% AFUE unit, with a 50,000-Btuh heating load. Fuel rates and heating hours are factored into the calculation upon selection of a state or region. If a state is not selected, the calculator defaults to the US national average for fuel and electricity consumption. Actual costs and savings will vary depending on weather conditions, usage, location and local utility rates. This information is intended as an example for comparison purposes only.