Try barrel sauna under 5000, 13 amp hot tub, shed 8x6 or a brand.

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Running cost calculator, US

Energy used = power in kW × hours × share of time the heater or chiller is actually on. Cost = energy × your electricity price.

EIA 2025, retrieved October 5, 2026. 19 of 276 US sauna listings state their power.

1The device
Type
Size
Small 6 kW, Typical 8 kW: lower quartile and median of 19 US saunas that state their power.
Brand
19 US saunas state their power.
2How you use it
a week
For a hot tub or chiller that runs all day, enter 24 hours and 7 uses.
3Electricity price
cents per kWh Your bill shows your own rate; it may differ from the state average.

Per use

$2.08

12.0 kWh, at 17.30 cents per kWh, US average, EIA 2025

Per month
$27
Per year
$324
Energy per year
1,872 kWh

Per year, by electricity price

Same power and hours, US dollars a year, EIA 2025 residential prices

Your price $324
US average (EIA 2025) $324
North Dakota, cheapest state $221
Hawaii, most expensive state $760

Your cost per use against the 19 US sauna listings that state their power, same hours and price

Each line is one model at your hours and price, the triangle the median, the dot your device.

How this is calculated

Energy per use8 kW × 1.5 hours × 100%12.0 kWh
Cost per use12.0 kWh × 17.30 cents per kWh$2.08
Energy per year12.0 kWh × 3 a week × 52 weeks1,872 kWh
Cost per year1,872 kWh × 17.30 cents per kWh$323.86

Electricity only. Standing charges, water, chemicals, wood, installation and maintenance are not included.

One hour of sauna by state

Cost of one hour at 8 kW, the median power of 19 US sauna listings that state it, with the heater on the whole time, at each state's 2025 average residential price. The list is sorted cheapest first.

Alabama, 16.10 cents per kWh, $1.29 for one hourAlaska, 26.09 cents per kWh, $2.09 for one hourArizona, 15.32 cents per kWh, $1.23 for one hourArkansas, 12.84 cents per kWh, $1.03 for one hourCalifornia, 32.54 cents per kWh, $2.60 for one hourColorado, 15.85 cents per kWh, $1.27 for one hourConnecticut, 29.38 cents per kWh, $2.35 for one hourDelaware, 17.13 cents per kWh, $1.37 for one hourFlorida, 15.24 cents per kWh, $1.22 for one hourGeorgia, 14.73 cents per kWh, $1.18 for one hourHawaii, 40.59 cents per kWh, $3.25 for one hourIdaho, 11.82 cents per kWh, $0.95 for one hourIllinois, 17.69 cents per kWh, $1.42 for one hourIndiana, 16.23 cents per kWh, $1.30 for one hourIowa, 13.72 cents per kWh, $1.10 for one hourKansas, 14.56 cents per kWh, $1.16 for one hourKentucky, 13.24 cents per kWh, $1.06 for one hourLouisiana, 12.57 cents per kWh, $1.01 for one hourMaine, 27.78 cents per kWh, $2.22 for one hourMaryland, 19.48 cents per kWh, $1.56 for one hourMassachusetts, 30.48 cents per kWh, $2.44 for one hourMichigan, 20.01 cents per kWh, $1.60 for one hourMinnesota, 15.82 cents per kWh, $1.27 for one hourMississippi, 14.03 cents per kWh, $1.12 for one hourMissouri, 13.49 cents per kWh, $1.08 for one hourMontana, 12.98 cents per kWh, $1.04 for one hourNebraska, 12.34 cents per kWh, $0.99 for one hourNevada, 13.15 cents per kWh, $1.05 for one hourNew Hampshire, 24.56 cents per kWh, $1.96 for one hourNew Jersey, 22.63 cents per kWh, $1.81 for one hourNew Mexico, 15.08 cents per kWh, $1.21 for one hourNew York, 26.39 cents per kWh, $2.11 for one hourNorth Carolina, 14.02 cents per kWh, $1.12 for one hourNorth Dakota, 11.81 cents per kWh, $0.94 for one hourOhio, 16.96 cents per kWh, $1.36 for one hourOklahoma, 13.12 cents per kWh, $1.05 for one hourOregon, 15.37 cents per kWh, $1.23 for one hourPennsylvania, 19.30 cents per kWh, $1.54 for one hourRhode Island, 29.46 cents per kWh, $2.36 for one hourSouth Carolina, 14.96 cents per kWh, $1.20 for one hourSouth Dakota, 13.38 cents per kWh, $1.07 for one hourTennessee, 13.18 cents per kWh, $1.05 for one hourTexas, 15.47 cents per kWh, $1.24 for one hourUtah, 13.07 cents per kWh, $1.05 for one hourVermont, 22.92 cents per kWh, $1.83 for one hourVirginia, 15.28 cents per kWh, $1.22 for one hourWest Virginia, 15.41 cents per kWh, $1.23 for one hourWisconsin, 18.16 cents per kWh, $1.45 for one hourWyoming, 13.38 cents per kWh, $1.07 for one hourDistrict of Columbia, 21.94 cents per kWh, $1.76 for one hour

Cents per kWh, five groups of 10 to 11 states

  • 11.81 to 13.18
  • 13.24 to 14.96
  • 15.08 to 16.10
  • 16.23 to 22.63
  • 22.92 to 40.59
  1. North Dakota $0.94
  2. Idaho $0.95
  3. Nebraska $0.99
  4. Louisiana $1.01
  5. Arkansas $1.03
  6. Montana $1.04
  7. Utah $1.05
  8. Washington $1.05
  9. Oklahoma $1.05
  10. Nevada $1.05
  11. Tennessee $1.05
  12. Kentucky $1.06
  13. South Dakota $1.07
  14. Wyoming $1.07
  15. Missouri $1.08
  16. Iowa $1.10
  17. North Carolina $1.12
  18. Mississippi $1.12
  19. Kansas $1.16
  20. Georgia $1.18
  21. South Carolina $1.20
  22. New Mexico $1.21
  23. Florida $1.22
  24. Virginia $1.22
  25. Arizona $1.23
  26. Oregon $1.23
  27. West Virginia $1.23
  28. Texas $1.24
  29. Minnesota $1.27
  30. Colorado $1.27
  31. Alabama $1.29
  32. Indiana $1.30
  33. Ohio $1.36
  34. Delaware $1.37
  35. Illinois $1.42
  36. Wisconsin $1.45
  37. Pennsylvania $1.54
  38. Maryland $1.56
  39. Michigan $1.60
  40. District of Columbia $1.76
  41. New Jersey $1.81
  42. Vermont $1.83
  43. New Hampshire $1.96
  44. Alaska $2.09
  45. New York $2.11
  46. Maine $2.22
  47. Connecticut $2.35
  48. Rhode Island $2.36
  49. Massachusetts $2.44
  50. California $2.60
  51. Hawaii $3.25

EIA, residential average price 2025, retrieved October 5, 2026.

Table: price per kWh, one hour and one year by state
State¢/kWh (2025)1 hour at 8 kW1 year, 1.5 hours 3 times a week
North Dakota11.81$0.94$221
Idaho11.82$0.95$221
Nebraska12.34$0.99$231
Louisiana12.57$1.01$235
Arkansas12.84$1.03$240
Montana12.98$1.04$243
Utah13.07$1.05$245
Washington13.11$1.05$245
Oklahoma13.12$1.05$246
Nevada13.15$1.05$246
Tennessee13.18$1.05$247
Kentucky13.24$1.06$248
South Dakota13.38$1.07$250
Wyoming13.38$1.07$250
Missouri13.49$1.08$253
Iowa13.72$1.10$257
North Carolina14.02$1.12$262
Mississippi14.03$1.12$263
Kansas14.56$1.16$273
Georgia14.73$1.18$276
South Carolina14.96$1.20$280
New Mexico15.08$1.21$282
Florida15.24$1.22$285
Virginia15.28$1.22$286
Arizona15.32$1.23$287
Oregon15.37$1.23$288
West Virginia15.41$1.23$288
Texas15.47$1.24$290
Minnesota15.82$1.27$296
Colorado15.85$1.27$297
Alabama16.10$1.29$301
Indiana16.23$1.30$304
Ohio16.96$1.36$317
Delaware17.13$1.37$321
Illinois17.69$1.42$331
Wisconsin18.16$1.45$340
Pennsylvania19.30$1.54$361
Maryland19.48$1.56$365
Michigan20.01$1.60$375
District of Columbia21.94$1.76$411
New Jersey22.63$1.81$424
Vermont22.92$1.83$429
New Hampshire24.56$1.96$460
Alaska26.09$2.09$488
New York26.39$2.11$494
Maine27.78$2.22$520
Connecticut29.38$2.35$550
Rhode Island29.46$2.36$551
Massachusetts30.48$2.44$571
California32.54$2.60$609
Hawaii40.59$3.25$760

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