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Furnace Fuel Cost Calculator

Yearly heating bill: natural gas vs heating oil.

Inputs

Inputs and assumptions

40 to 80 typical.

From the gas bill.

0.80 standard, 0.95 high efficiency.

Delivered price per gallon. Heating oil holds about 138,500 BTU/gal (EIA).

0.80 to 0.87 typical.

Result

Gas cost/year
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Oil cost/year
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Gas savings vs oil
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What to check

  • Annual heat load
  • Delivered fuel prices
  • Furnace AFUE ratings

Related calculators

Screening estimate only. Verify duct measurements, nameplate ratings, and installer quotes before making a decision.

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