Is a heated bidet seat expensive to run?

Eco mode (letting the seat cool between uses) can cut a bidet's standby draw roughly in half. At typical use it adds about $6.02 to a monthly electric bill at the US-average rate, but that swings from $4.20 in the cheapest states to $15.64 in the most expensive.

How many watts does a heated bidet seat use?

Heated Bidet Seat typically draws about 50 running watts. It's a resistive load, so its startup and running wattage are the same. Check the nameplate or label on your specific unit for its exact rating.

How can I lower the cost of running a heated bidet seat?

Eco mode (letting the seat cool between uses) can cut a bidet's standby draw roughly in half. You can also cut the cost by lowering your electricity rate — many utilities offer cheaper off-peak hours — or simply by running it fewer hours. Use the calculator above to see how changing hours per day or your rate moves the number.

How Much Does It Cost to Run Heated Bidet Seat?

The seat and water heater idle around the clock — small watts, but they never stop, like a very comfortable nightlight. At the US-average rate of 16.5¢/kWh, running a heated bidet seat costs about $6.02/month ($72.18/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.

Power (watts)

Hours per day: 24

Days per week: 7

Your state (sets the rate)

Electricity rate ($/kWh)

Cost to run a heated bidet seat

$72/yr

Per day: $0.20
Per month: $6.02
Energy per year: 438 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 heated bidet seat by electricity rate

Same 50 W appliance, 24 h/day — the bill changes with where you live.

Scenario	Rate	Per month	Per year
Cheapest states (North Dakota)	11.5¢	$4.20	$50.41
US average	16.5¢	$6.02	$72.18
Most expensive (Hawaii)	42.9¢	$15.64	$187.73

Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.

Frequently asked questions

At the US-average residential rate of 16.5¢/kWh, a heated bidet seat drawing 50 watts for about 24 hours a day costs roughly $0.20 per day, $6.02 per month, and $72.18 per year. Your actual cost depends on your electricity rate and how much you use it — adjust both in the calculator above.

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How Much Does It Cost to Run Heated Bidet Seat?

Cost to run a heated bidet seat by electricity rate

Frequently asked questions

How much does it cost to run a heated bidet seat?

Is a heated bidet seat expensive to run?

How many watts does a heated bidet seat use?

How can I lower the cost of running a heated bidet seat?

Cost to run other appliances