Not sure which size? Size your heater first — it takes 30 seconds.
The wrong size is the number one reason a heater comes back. Tell us the room and we badge every heater that fits.
Before you pick a heater
Let's make sure it's the right size.
Takes 30 seconds. We'll mark every heater that fits your room — you can still browse everything.
Tile, stone or an outdoor sauna? Use the full calculator. Sizing follows each manufacturer's published room-size range.
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Cozy Heat O Through-Wall Pkg - Wood-Burning Sauna Stove Package, Up to 18kW
Regular price From $2,475.00Regular price From $2,475.00 Sale priceUnit price per -
Harvia Linear 22 GreenFlame ES - GreenFlame Series, 15.7kW, Water Tank, Wood Sauna Stove
Regular price $2,464.00Regular price $2,464.00 Sale priceUnit price per -
Cozy Heat Quattro Thru-Wall Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,452.50Regular price From $2,452.50 Sale priceUnit price per -
Cozy Heat SW Thru-Wall Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,452.50Regular price From $2,452.50 Sale priceUnit price per -
Cozy Heat OG Thru-Wall Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,452.50Regular price From $2,452.50 Sale priceUnit price per -
Cozy Heat Quattro Pkg - Wood-Burning Sauna Stove Package, Up to 18kW
Regular price From $2,448.00Regular price From $2,448.00 Sale priceUnit price per -
Cozy Heat SW Pkg - Wood-Burning Sauna Stove Package, Up to 18kW
Regular price From $2,448.00Regular price From $2,448.00 Sale priceUnit price per -
HUUM STEEL 11 - STEEL Series 10.5kW Sauna Heater
Regular price $2,391.00Regular price $2,391.00 Sale priceUnit price per -
Harvia PRO Series 31kW Sauna Wood-Burning Stove
Regular price $2,364.00Regular price $2,364.00 Sale priceUnit price per -
Harvia Club K15G - Club Series 15kW Sauna Heater
Regular price $2,286.00Regular price $2,286.00 Sale priceUnit price per -
Harvia Pro 20 ES - Pro Series ES, 24.1kW, Wood Sauna Stove with Water Tank
Regular price $2,217.00Regular price $2,217.00 Sale priceUnit price per -
Harvia Pro 20 RS - Pro Series, 24.1kW, Sauna Wood Stove with Water Tank
Regular price $2,217.00Regular price $2,217.00 Sale priceUnit price per -
Harvia Pro 20 LS - Pro Series LS, 24.1kW, Sauna Wood Stove with Water Tank
Regular price $2,217.00Regular price $2,217.00 Sale priceUnit price per -
Cozy Heat SW Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,214.00Regular price From $2,214.00 Sale priceUnit price per -
Cozy Heat OG Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,214.00Regular price From $2,214.00 Sale priceUnit price per -
Cozy Heat Pkg - Wood-Burning Sauna Stove Package, Up to 18kW
Regular price From $2,205.00Regular price From $2,205.00 Sale priceUnit price per -
Harvia Legend 150 SL - Legend Series 16.0kW Wood Sauna Stove w/Ext. Feed
Regular price $2,192.00Regular price $2,192.00 Sale priceUnit price per -
Cozy Heat O Pkg - Wood-Burning Sauna Stove Package, Up to 18kW
Regular price From $2,187.00Regular price From $2,187.00 Sale priceUnit price per -
Cozy Heat O Thru-Wall Sauna Stove - Wood-Burning Sauna Stove, Up to 18kW
Regular price From $2,182.50Regular price From $2,182.50 Sale priceUnit price per -
Harvia Club K12.5G - Club Series 12.5kW Sauna Heater
Regular price $2,086.00Regular price $2,086.00 Sale priceUnit price per
