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Sauna heaters and wood burning stoves

The heater decides how fast your sauna gets hot and how it feels. Size it to the room, then choose between electric convenience and a wood fire.

See models and prices
Wood burning sauna stove with stones

Sauna heaters & stoves: models and prices

What is included with each model is listed on its page. Free freight delivery to your curb.

What to check before you buy

Size by room volume

Multiply length x width x height in feet. Plan about 1 kW for every 45 to 50 cubic feet, and add capacity for glass walls or an uninsulated barrel in a cold state.

Electric heaters

Most electric sauna heaters from 4.5 to 9 kW need a dedicated 240V circuit wired by a licensed electrician. Budget for that work on top of the sauna price. Wall-mounted units save floor space. Tower heaters hold more stones and give softer steam.

Wood burning stoves

No power needed. You need a chimney kit, a heat shield or the listed clearances to wood, and a floor protector. Follow the stove manual and your local fire code.

Heater size by sauna

A general guide. Use the maker’s chart for the exact heater.

Sauna sizeRoom volumeElectric heater
1 to 2 personup to 200 cu ft4.5 kW
3 to 4 person200 to 300 cu ft6 kW
5 to 6 person300 to 425 cu ft8 kW
6 to 8 person425 to 500 cu ft9 kW

Stones, controls and running cost

Sauna stones store heat and make steam when you pour water on them. Use the stone type and weight the heater maker lists, and restack them once a year.

Controls are either built into the heater or on a wall panel outside the hot room. Wi-Fi controllers let you start the heater before you get home.

A 6 kW heater at full power uses 6 kWh per hour, about $1 at 17 cents per kWh. A wood stove burns roughly an armful of dry hardwood per session.

Common questions

Can I replace my old sauna heater myself?

Swapping a like-for-like heater is simple mechanically, but the wiring must match the new heater’s amperage. Have an electrician check the breaker and wire gauge.

Is a wood burning sauna stove safe in a barrel?

Yes, when it is installed with the listed clearances, a heat shield, a floor protector and a proper chimney kit.

How long do sauna heaters last?

A good electric heater lasts 10 to 20 years. Heating elements are replaceable parts.

Keep looking

Wood burning saunasOff-grid heat with a real fireBarrel saunasRound cedar and spruce barrels, 2 to 6 peopleSauna kitsPre-cut kits two people can build in a dayIndoor saunasDry and traditional saunas for a spare room or basement