Long-Burning Non-Electric Heating Unit for Indoor Comfort

Heating unit non-electric long-layer combustion with secondary afterburning and convection, designed for heating and maintaining the necessary temperature conditions as in closed stationary premises and in small separate buildings (including in field conditions in dugouts, tents).
Heat transfer occurs through the transfer of warm air into the room, coming from the convector located around the unit.
Types of fuel: firewood, wood waste, dry branches, wood briquettes.