| 摘要 |
PROBLEM TO BE SOLVED: To effectively use solar energy. SOLUTION: This device materializes a system which has a heat accumulating function and a floor heating function by introducing the hot air obtained by solar heat receiving module or the like into a regenerative floor heater where the four sides and the bottom are heat-insulated with warmth-keeping material 11 and regenerative material 12 such as brick, etc., is arranged in slit form, utilizing the sealed space surrounded by the foundation concrete, the unfloored part peripheral wall concrete, and the slab foundation (raft foundation) of a house and a floor plate 15.
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