How Indiana compares
Ranked by yearly saving against gas, Indiana is 19th of 51. At U.S. average figures a heat pump saves $27 a year. Indiana has the 29th cheapest residential electricity of the 50 states and DC, near the middle, at 16.73¢/kWh, 9% below the U.S. average of 18.31¢.
With an estimated 5,600 heating degree days a year, winters here are moderate, and the calculator uses a seasonal COP of 2.8.
Against propane the heat pump saves $638 a year, against heating oil it saves $1,351 a year, and against electric baseboard heat it saves $1,350 a year.
| Heating now | Now, per year | Heat pump | Difference |
|---|---|---|---|
| Natural gas furnace | $857 | $750 | $107 |
| Propane furnace | $1,389 | $750 | $638 |
| Oil furnace | $2,101 | $751 | $1,351 |
| Electric baseboard | $2,101 | $750 | $1,350 |
One of its four neighbors does better against gas: Kentucky at $182 a year saved.
More for Indiana
- EV charging cost in Indiana vs gas: an EV saves $1,138 a year on fuel.
- Solar payback in Indiana: a typical system pays back in 14.0 years.
What these numbers assume
- A heating load estimated from about 5,600 heating degree days a year: 504 therms of gas, 551 gallons of propane, 387 gallons of oil or 12,556 kWh of baseboard heat.
- Natural gas at $1.70/therm, the U.S. city average for September 2026. Gas prices vary a lot by state and utility, so enter the price per therm from your bill.
- Propane at $2.52 and heating oil at $5.43 a gallon, EIA forecasts for winter 2026–27.
- Furnaces 85% efficient (oil 80%), and a heat pump with a seasonal COP of 2.8.
- No federal tax credit: Section 25C ended for equipment placed in service after December 31, 2025.
Change any of them in the calculator above to match your own bills. The formulas are on the main heat pump calculator.
Sources
- Electricity price: EIA Electric Power Monthly, Table 5.6.A (July 2026 data).
- Natural gas: BLS U.S. city average, September 2026.
- Propane and heating oil: EIA Short-Term Energy Outlook winter forecast, October 2026.
- Heating degree days: MeterMath rounded estimate for the state.
- Tax credit status: Public Law 119-21.