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Stoveman 20 LS Sauna Heater

Stoveman 20 LS Sauna Heater


STOVEMAN 20 woodburning sauna heater
For sauna rooms with capacity of 12-20 m3. CE certified

Stoveman 20 LS is made for through the wall fuel loading. The heater has a longer fuel shaft to be installed outside of the sauna room. This is the only difference from the Stoveman 20 basic model.

Stoveman 20 sauna heater is recommended for both dry and humid sauna experience in home saunas. Stoveman sauna heater guarantees an enjoyable, mild and durable sauna experience thanks to the large amount of heater stones that block the radiation from the metal surfaces.

Stoveman 20 sauna heater has an improved ventilation system with 6 extra air flow channels on the external walls of the heating unit. The ventilation tubes receive the air from the bottom of the heater, it raises upwards as it gets heated and exits between the top stones. Sauna stones and chimney is not included!

- Metal door instead of glass door
- Regular or round case for stones (see pictures)

General information:
- Suitable for sauna rooms with capacity: 12-20 m3
- Amount of heater stones: 160 kg
- Smoke outlet 115 mm
- Equipped with soot flap
- Certified according to CE standard EN 15821:2010

- All parts of the heater in contact with flames are made of 5mm sheet steel
- The bottom of the sauna heater is made of 3mm sheet steel
- Ash box is made of 2 mm sheet steel
- The hand crafted ash grate is made of 10×20 mm square steel

Detailed specifications:


Stoveman 20


20 LS

Sauna room capacity

12 to 20 m3

Power output

15,4 kW


Wood sticks up to 40 cm long

Minimum flue draught

12 Pa

Total eficiency


Flue gas temperature


Weight without stones

75 kg

Max stones load

160 kg

To connect the Stoveman sauna heater with the chimney it is recommended to use pipes with CE marking withstanding a gas burning temperature of at least 600 degrees.

Because sauna heater is a heavy item, we deal with delivery on a case by case basis. That means that we work with different shipping companies to find the best fare. It also means that shipping cost cannot be automatically generating here in the online shop. To get the shipping rates send an inquiry to or by using the button in right-bottom corner. Please state your delivery address and sauna heater you are interested in. Pay attention that all heaters have different options (shape, metal or glass door).

To request additional information use the button in the right-bottom corner or write to

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