Solid fuel heating boilers. Boilers of various shapes and sizes (power). Boilers use various fuels: firewood, coal, pellets. Various types of gorenje gorenje are used in boilers: conventional and pyrolysis (burning of heated gas). Either water or air is used as a heat carrier.
The boilers are made of sheet metal, which is bent and welded.
To insulate the body of water boilers, a protective casing with glass wool insulation is used.