FIELD: heating of cattle-breeding rooms. SUBSTANCE: heating appliance employs thermal pump as heat generator in addition to air pressure passages located in floor of room; appliance has air supply passages made in floor of room under feeding troughs, air receivers made in form of pipes with holes and connected to air supply passages. Inlet of compressor and heat generator turbine are connected respectively to outlets of air supply and air pressure passages and their outlets are connected to inlet of air pressure passages and to atmosphere, respectively. EFFECT: enhanced efficiency. 1 dwg
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