| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel bathtub heat insulation system that can heat and keep the temperature of a bathtub properly while suppressing fuel cost.SOLUTION: The hybrid bathtub heat insulation system includes a water circulation passage and a heat medium passage. The hybrid bathtub heat insulation system further includes: a heat exchanger for heating the circulation water discharged from the bathtub; a heat pump connected to the heat exchanger via the heat medium passage; and a boiler connected to the heat exchanger in serial via the water circulation passage to heat the circulation water.SELECTED DRAWING: Figure 1 |
