KIEAE Journal

Korea Institute of Ecological Architecture and Environment (한국생태환경건축학회)
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A Study on the Window Energy Rating Systems in Residential Buildings

주거용 건물의 창호에너지평가시스템에 관한 연구

  • Kim, Dong-Yun (Dept. of Architectural Engineering, graduate school, Daejeon Univ.) ;
  • Lim, Hee-Won (Dept. of Architectural Engineering, graduate school, Daejeon Univ.) ;
  • Shin, U-Cheul (Dept. of Architectural Engineering, Daejeon Univ.)
  • Received : 2016.04.06
  • Accepted : 2016.04.20
  • Published : 2016.04.30
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Abstract

Purpose: The window energy rating system was developed in early 1990's and various kind of rating system has been implemented in advanced country such as Europe, Australia, Canada and the US since 2000. In Korea, the Energy Consumption Efficiency Rating Indication System has been implemented to promote supply of high efficiency window since July 2012. Normally, the window energy rating system based on heat balance which considers both thermal losses and solar heat gain is used and applied only to residential buildings. However, the system used nationally only considers thermal losses and is applied to every building regardless of its usage. Therefore, in this study, we indicated problems of domestic window energy rating system and looked for improvements. Method: We analyzed thermal performance of various windows through dynamic simulation applied to detached house and compared results with those of domestic and foreign rating system. Result : Thermal performance of south windows is more affected by SHGC than U-value, and that of north windows is also affected by SHGC a lot. The difference between the results of our study and current system is statistically significant. As a result, appropriate evaluation criteria which considers solar heat gain is required.

Keywords

References

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