| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of initial cost in a system in which an electric heater is embedded in a slab of a mat foundation bottom part that the slab should be made extremely thick in connection with concrete strength or concrete for embedding the electric heater should be overlapped on an upper layer of the slab of the foundation bottom part and should be separately casted, and a problem of a system in which a heat storage body or a heat source is attached to a partition foundation that an underfloor space becomes small and attached objects are exfoliated, in an underfloor heat storage heating. Ž<P>SOLUTION: Regarding an underfloor foundation, an electric heating element, such as a sheathed heater, is embedded in an internal partition foundation concrete (commonly called, standing) except an outer peripheral foundation exposed to the outside air, and a radiation spacer is formed between the electric heating element and an upper floor member or a floor support member (a header joist) so as to compose a simple and epoch-making underfloor heat storage type heating system. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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