The special design of the firebox provides energy efficiency and efficiency in operation. Firewood burn for a long time, gradually giving heat and maintaining the optimal temperature level in the steam room. Stones support and keep warm in the steam room for a long time even after the combustion of firewood. With Harvia wood, you can forget about overheating and too dry air in the steam room. A wide food line of furnaces from the Finnish manufacturer allows you to choose a suitable solution, taking into account the size of the steam room and the features of operation. Stoves are presented to the choice, which are suitable for both a small family bath and a large sauna.