Wood-burning sauna stoves

A wood stove heats the sauna with a live fire and needs a chimney instead of a power line. Every stove here carries its maker's room range and stone capacity, read from the maker's page or a dealer's spec sheet, with the source linked.

Updated Oct 18, 2026

Brands

Product lines

Sizes

Rooms

177 ft³–1,271 ft³

Find heaters for your room

Your room's effective volume

424 ft³

6 product lines have a size rated for 424 ft³. Exact effective volume: heater calculator

By brand

Harvia

All Harvia heaters

HUUM

All HUUM heaters

Specs come from each maker's product pages or a dealer's spec sheet, with the source and date on every page. Brands are added as we verify their data; rankings never depend on commissions.

Sizing a wood stove

Count the room the same way as for an electric heater: inside volume, plus 1.2 m³ for every m² of glass, tile or stone, times 1.5 for solid log walls. Then pick a stove whose maker's range includes that figure. Many Finnish makers publish only the room range, not the output in kW; where that is the case the stove pages say so.

Options you will meet

Through-wall stoves are fed from the dressing room or from outside, so ash and smoke stay out of the hot room.
Water tank versions heat washing water on the side of the stove or around the flue.
Glass doors let you watch the fire; they also radiate more heat forward, so keep the stated safety distances.

Chimney, safety and permits

A wood stove needs a proper flue: an insulated steel chimney or a masonry chimney, with the safety distances to combustible walls, the floor protection and the ventilation its manual specifies. In many countries a chimney sweep or the building authority has to approve a new flue before first use, and some areas restrict wood burning: check the local rules before you buy. Keep a carbon monoxide alarm in the dressing room.

Questions and answers

What size wood stove do I need for my sauna?

Work out the effective volume (inside volume, plus 1.2 m³ per m² of glass or stone, times 1.5 for log walls) and choose a stove whose maker's room range includes it. Wood stoves are usually rated for wider ranges than electric heaters; near the top of the range they need more wood and more time.

Do I need a permit for a wood-burning sauna stove?

Often, yes. Rules differ by country and municipality, but a new chimney commonly needs an inspection or approval (for example by the district chimney sweep in Germany and Austria) and some areas limit wood burning. Ask your local building authority or chimney sweep before installing.

Wood-burning or electric sauna heater?

Wood gives the classic fire and works without a power line, but takes longer to heat, needs firewood and a chimney, and must be tended. Electric heaters are quicker to use and can be timed or started from an app. Our comparison goes through costs and practicalities.