How Much Does It Cost to Run Heat-Pump Water Heater?
A heat-pump water heater pulls heat from the surrounding air, making hot water on roughly a third of a standard tank's electricity. At the US-average rate of 16.5¢/kWh, running a heat-pump water heater costs about $11.03/month ($132.33/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.
Cost to run a heat-pump water heater
$132/yr
- Per day
- $0.36
- Per month
- $11.03
- Energy per year
- 803 kWh
Cost = power (kW) × hours × days × your rate. Defaults are typical values — enter your appliance's actual watts (often on a label) and your real rate for a precise figure.
Cost to run a heat-pump water heater by electricity rate
Same 550 W appliance, 4 h/day — the bill changes with where you live.
| Scenario | Rate | Per month | Per year |
|---|---|---|---|
| Cheapest states (North Dakota) | 11.5¢ | $7.70 | $92.43 |
| US average | 16.5¢ | $11.03 | $132.33 |
| Most expensive (Hawaii) | 42.9¢ | $28.68 | $344.17 |
Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.
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