Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Ventilation Rate Impact on Heating and Cooling Energy Consumption in Residential Buildings : Concentrated on a Detached House in Cold and Hot/Humid Climatic Zones of USA

환기량의 주거건물 냉난방에너지 소비에 대한 영향 : 미국 한랭기후 및 고온다습기후의 단독주택을 중심으로

  • Moon, Jin-Woo (Department of Building Services Engineering, Hanbat National University)
  • 문진우 (국립한밭대학교 건축설비공학과)
  • Received : 2011.08.15
  • Accepted : 2011.10.12
  • Published : 2011.11.10
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Abstract

The purpose of this study was to quantify the impact of the ventilation rate on heating and cooling energy consumption in a detached house. For it, a series of simulations for the application of the diverse ventilation rate (ACH) were computationally conducted for a prototypical detached residential building in the cold climate (Detroit, Michigan) and hot/humid climate (Miami, Florida) of USA. Analysis revealed that ventilation is a significant heat losing source in the cold climate; thus, the higher ventilation rate significantly increases the heating energy consumption and energy cost in the cold climate; while the impact on energy increase for heating and cooling energy consumption is similar in hot/humid climate with less significancy compared to cold climate. The research outcome of this study could be a fundamental data for determining the optimal ventilation rate in terms of indoor air quality, but also building energy performance well.

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