| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water supply system capable of effectively adjusting the temperature of a storage battery by efficiently using cold generated by the hot water supply system.SOLUTION: A hot water supply system 100 includes: a heat pump unit 1; a hot water storage tank 35; and a storage battery 71. Unheated water is supplied to the hot water storage tank 35 from below, and the hot water storage tank 35 stores hot water heated by the heat pump unit 1 above. The storage battery 71 stores electric power used by at least the heat pump unit 1. The storage battery 71 is arranged so that at least a part of the storage battery 71 thermally contacts a lower portion of the storage tank 35. |
