| 摘要 |
PROBLEM TO BE SOLVED: To provide an underfloor heating device capable of improving the energy consumption efficiency of a heat pump. SOLUTION: The heat pump 5 is installed outdoor, the hot water heated by the heat pump 5 is sent to a radiator 2b mounted on an underfloor space 2a of a house place 2 first by a circulating passage 6 to heat the underfloor space 2a, then continuously sent to a radiator 3b mounted on an underfloor space 3a of a kitchen 3 and a radiator 4b laid on an underfloor space 4a of a corridor, when a temperature of a heat medium is lowered to be less than a specific set temperature, and returned to the heat pump 5 to be circulated. COPYRIGHT: (C)2005,JPO&NCIPI |
