温暖地の木造住宅における部分断熱改修による熱性能改善効果の検証

概要

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More than 50% of wooden frame houses in mild climate regions of Japan have not complied with 1992 energy conservation standard. Dwellers in such houses generally tend to employ intermittent and partial heating schedule. Thus partial renovations regarding thermal insulation for such houses are attractive in terms of cost-effectiveness for energy and environmental issue. This paper focuses on verification of thermal performances of a wooden frame house that the partial renovations regarding thermal insulation were implemented to around the living and the dining room. Indoor thermal environments and specific heat loss coefficients were measured on the renovated house. Also initial cost for the renovation and running cost for heating appliances were clarified in order to assess the cost-effectiveness for the partial renovations. The experimental results demonstrated that indoor thermal environments such as the temperature distributions against vertical direction, the globe temperature and the temperature variations were improved by the partial renovations. Furthermore, the specific heat loss coefficients analyzed from the experimental results indicated that seasonal heating load can be decreased approximately 30% in comparison with the former house without the partial renovations.
社団法人日本建築学会の論文
2008-10-30