Helo and world-renowned designer Ristomatti Ratia developed the perfect sauna heater: the Helo Sauna Heater. Thanks to several patented solutions and its superior European design, the Saunatonttu is undoubtedly the best stove in the world. The secret of the Saunatontttu is the constant heat retained by the large amount of stone (around 100 kg) in a very well insulated stove. The heater provides a soft, rich and moist steam. The small safety distances give you more flexibility in designing your sauna interior.The stones can weigh up to 100 kg. Thanks to the heat retained by the large amount of stones, the 300 W power of the stand-by mode can be used during the sauna.The insulation of the Saunatonttu allows it to store the heat generated by the 300 W of the standby power. Thanks to its heat storage, the sauna heater allows you to take a sauna at any time without having to preheat the sauna.The Saunatonttu is part of the RATIA collection, which combines cutting-edge design with the latest