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Quick Overview

Helo and renowned designer, Ristomatti Ratia, created the ultimate sauna stove – the Helo Saunatonttu. Incorporating several patented features and superb European design, Saunatonttu is truly the “Best sauna stove in the world”, bar none. The secret of Saunatonttu is in the constant heat retained by the large quantity of stones (ca. 100 kgs) within the super-insulated stove. The stove creates soft, rich and moist steam. Small safety distances make Saunatonttu flexible in interior design.


The Features

Constant heating

The quantity of stones is all of 100 kg. The heat retained by the stones makes it possible to use Saunatonttu at any time, without pre-heating.

Super insulated heater

Because Saunatonttu is well-insulated, it can store the heat generated by during its standby time. You can enjoy your sauna whenever you want as there is no need to pre-heat it.

Unique design

Saunatonttu is part of the RATIA collection, ensuring world-class design and the latest innovations.

Technical specifications

Type Power (kW) Sauna size (m3) Size (WxHxD) Stones (kg)
Saunatonttu 3 3.4 3 – 8 500 x 1090 x 500 100
Saunatonttu 4 4.8 5 – 11 500 x 1090 x 500 100
Saunatonttu 6 6.4 7 – 14 500 x 1090 x 500 100
Saunatonttu 8 8.0 9 – 17 500 x 1090 x 500 100

Safety distance

Type Side (mm) Front (mm) Ceiling (mm)
Saunatonttu 3 30 30 800
Saunatonttu 4 30 30 800
Saunatonttu 6 30 30 800
Saunatonttu 8 30 30 800


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