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How Much Does It Cost to Run a Electric Sauna Heater in New Hampshire? (2026)
Sauna heaters are among the most powerful appliances in a home, drawing 4.5 to 9 kW while heating. A one hour session including warm-up uses 6 to 10 kWh, similar to a full day of air conditioning.
A typical electric sauna heater (6,000 W) costs $1.62 per hour, or about $48.60 per month at 1 hours a day in New Hampshire. Expensive to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (3,000 W) | $0.81 | $0.81 | $24.30 | $295.65 |
| Typical (6,000 W) | $1.62 | $1.62 | $48.60 | $591.30 |
| High (9,000 W) | $2.43 | $2.43 | $72.90 | $886.95 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 1 h/day ≈ 2,190 kWh per year.
One hour of an electric sauna heater (6.0 kWh) is the same electricity as
- 2.0dryer loads
- 60kettle boils
- 133hours of a laptop
- 667hours of an LED bulb
In New Hampshire, with electricity at $0.27 per kWh (source: EIA Table 5.6.A, 2026-06), a typical electric sauna heater costs $1.62 per hour and about $591.30 per year at 1 hours a day. That is about 50% more than the national average for the US ($32.40 per month), because electricity in New Hampshire costs $0.27 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 0.6 hours of use.
How to lower the cost of running a electric sauna heater
- Preheat for 30 to 45 minutes, not longer. Well-insulated saunas reach temperature quickly.
- Keep the door closed and the vent adjusted.
- Use the sauna in shorter sessions with the heater cycling on its thermostat.
Would switching to an infrared sauna pay for itself?
At your hours and region above, this electric sauna heater uses about 2,190 kWh a year and Infrared Sauna about 657 kWh.
Saves – per year. Pays for itself in –, and over 10 years you come out –.
Infrared cabins need little preheating and lower power panels. Prices are typical and editable; the saving updates with the region and hours you set in the table above.
Frequently asked questions
How much does it cost to run a sauna for an hour?
About 6 kWh for a typical 6 kW heater including warm-up. Pick your region.
Are infrared saunas cheaper to run?
Yes, typically 1.5 to 2 kW and little preheat, so about a third of the cost.
How much does a sauna add to the monthly bill?
Three sessions a week at 6 kWh each is about 80 kWh a month.
Compare with
Cost by region
US states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Canadian provinces
Related appliances
- Electric Lawn Mower (Corded or Battery)1,200 W typical
- Electric Pressure Washer1,800 W typical
- Infrared Sauna1,800 W typical
- Electric Grill or Griddle1,600 W typical
Use the generic electricity cost calculator → · Which uses more? Take the quiz →