| 摘要 |
An underfloor climate control apparatus (1), for heating/cooling a building (6) that is constructed on a foundation of hardfill or on a block foundation, the climate control apparatus comprising a network of tubes (4) in the roof space (5) of the building for heating a fluid, a supplementary heat source (12-15) and a circulation system (2) for conducting fluid through the hardfill or foundation block of the building so that the heated fluid (7) can act to heat the hardfill/foundation block, wherein the supplementary heat source can be selected to operate in combination with the heating provided by circulation of the fluid through the network of tubes in the roof space. (61) Addition to 338087
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