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Annual heating cost, heat-pump efficiency and climate turned into yearly and 10-year savings.
Typical US heating bills and current systems.
Tap a preset in the calculator above to load a typical job, then adjust the numbers to match your site.
Starting points: $1,200 electric heat · $1,800 electric heat · $1,800 gas heat · $2,400 oil heat · Cold climate, $2,400
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Model the current bill, choose the fuel and efficiency, then check the payback against quotes.
Replacing electric resistance heat typically saves 50 to 65 percent on heating, roughly $1,200 a year on an $1,800 bill. Gas and oil savings are smaller and depend on local prices.
Cold-climate heat pumps operate well below freezing, with a reduced output and COP. Below about 5 F they usually need a backup source.
Typically six to twelve years depending on fuel prices, climate and whether duct work is needed. Replacing electric resistance heat has the shortest payback.
Usually not for a ducted system if the existing ducts are sized and sealed properly. Ductless mini-splits need no ducts at all.
Federal and utility programs change frequently. Ask your utility and check the ENERGY STAR rebate finder, and keep the invoice and model number.
In mild climates yes. In very cold climates, gas can still be cheaper to run, though a dual-fuel setup can use each where it performs best.
Using the calculator defaults, $1,200 electric heat gives Annual savings: $800 and Savings over 10 years: $8,000, with a typical range $520 to $1,000. Change the waste allowance, material or thickness to match your site.
Using the calculator defaults, cold climate, $2,400 gives Annual savings: $1,300 and Savings over 10 years: $13,000, with a typical range $845 to $1,625. Change the waste allowance, material or thickness to match your site.