These air heaters are used for heating of different living, domestic and technical-purpose rooms. They may be also utilized in wood and cereal drying houses. The heaters are also usable is freezing environments because there is no danger that they will freeze up.
Fire wood, scrap wood or peat may be used as a fuel. However, the heaters are not designed to be heated with coal.
The heat is delivered to the surroundings both by radiation and by hot air directly. Therefore multiple rooms may be heated simultaneously by using air channels for transmitting hot air.
The power output of the heaters is regulated by means of damper and air supply