THERMAL ENVIRONMENT AND ENERGY CONSUMPTION OF WELL-INSULATED DETACHED HOUSES IN HOKKAIDO

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  • TATEMATSU Kouichi
    Northern Regional Building Research Institute, Hokkaido Research Organization, M. Eng.
  • FUKUSHIMA Akira
    Building Research Department, Hokkaido Research Organization, Dr. Eng.
  • SUZUKI Hirotaka
    Northern Regional Building Research Institute, Hokkaido Research Organization, Dr. Eng.
  • TSUKIDATE Tsukasa
    Northern Regional Building Research Institute, Hokkaido Research Organization, Dr. Eng.
  • HIROTA Tomohito
    Northern Regional Building Research Institute, Hokkaido Research Organization
  • TAKAKURA Masahiro
    Northern Regional Building Research Institute, Hokkaido Research Organization, Dr. Eng.
  • IKEDA Hiroki
    Northern Regional Building Research Institute, Hokkaido Research Organization

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Other Title
  • 北海道における高断熱戸建て住宅の温熱環境とエネルギー消費の実態
  • 北海道における高断熱戸建て住宅の温熱環境とエネルギー消費の実態 : 熱損失係数が1.3W/m²Kレベルの住宅を主たる対象とした調査
  • ホッカイドウ ニ オケル コウダンネツ コダテ ジュウタク ノ オンネツ カンキョウ ト エネルギー ショウヒ ノ ジッタイ : ネツ ソンシツ ケイスウ ガ 1.3W/m ² Kレベル ノ ジュウタク オ シュタル タイショウ ト シタ チョウサ
  • An investigation of houses whose heat loss coefficients are mainly around 1.3W/m<sup>2</sup>K
  • 熱損失係数が1.3W/m<sup>2</sup>Kレベルの住宅を主たる対象とした調査

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Abstract

In this study, we researched the thermal performance of well-insulated detached houses in Hokkaido. The heat loss coefficients of these houses are mainly around 1.3W/m2K. The space heating and hot-water supply systems use electricity in many of these houses. The results of our research are as follows: 1) Remarkably high temperatures were not found in these houses during summer. This is probably because of cross-ventilation and a small amount of solar heat gain. 2) The room temperature is stable throughout heating season, in spite of the high thermal performance. 3) The factors that influence the room temperature in each season were verified using multiple regression analysis. 4) The primary energy consumption of well-insulated houses with electric heating devices is greater than that of conventional houses equipped with fossil fuel boilers.

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