The question of heating a private house or apartment today is acute. Since the final result will directly depend on how competently selected and installed and installed. e. The degree of efficiency of the functioning of the heating system and, accordingly, the level of quality of heat return to the room. A reliable and productive heating system is the right choice of a radiator in combination with a boiler, the types of which currently exist a great many. The most popular and in demand now are batteries made of bimetall.