EFFECTS OF RENOVATION USING WELL-INSULATED WINDOWS ON INDOOR THERMAL ENVIRONMENT AND THE HEALTH OF ELDERLY OCCUPANTS

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  • MORI Ikue
    Senior Researcher, National Institute of Advanced Industrial Science and Technology, Dr. Eng.
  • TSUZUKI Kazuyo
    Leader, National Institute of Advanced Industrial Science and Technology, Ph. D.
  • YASUOKA Ayako
    Visiting Researcher, Central Research Institute of Electric Power Industry, Ph. D.
  • SAKAMOTO Yuzo
    Chief Executive, Building Research Institute, Dr. Eng.
  • TAKAHASHI Ryutaro
    Vice Director, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, M. D., Ph. D.

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Other Title
  • 窓の断熱改修が住宅の温熱環境と高齢者の生活および健康に及ぼす影響に関する研究
  • マド ノ ダンネツ カイシュウ ガ ジュウタク ノ オンネツ カンキョウ ト コウレイシャ ノ セイカツ オヨビ ケンコウ ニ オヨボス エイキョウ ニ カンスル ケンキュウ

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Abstract

This study was conducted to investigate the effects of installing well-insulated windows on the residential indoor thermal environment and the thermal comfort and health of occupants. We conducted measurement of thermal environments, occupant questionnaire about thermal comfort and surveys on physical activities of the elderly, before and after inner windows were added to inhabited houses. The survey was carried out for eight old wooden houses with elderly occupants in Yamagata City and surrounding areas. The results of our measurement and survey revealed that window renovation reduced the impact of cold outdoor air temperature on indoor thermal environment and improved thermal comfort in winter. Further, steps per day of the elderly significantly increased after renovation.

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