International Construction Specialty Conference of the Canadian Society for Civil Engineering (ICSC) (5th : 2015)

Thermal comfort assessment through measurements in a naturally ventilated LEED Gold building Kim, Amy A.; Wang, Shuoqi; Reed, Dorothy


Reductions in electric power consumption at the University of Washington are an established sustainability performance target. In order to meet this target, Leadership in Energy & Environmental Design (LEED) certification of buildings on campus is part of a long term plan for the University. It has been assumed that LEED certification will result in less power usage by occupants while improving indoor environmental quality. However, the related indoor environmental quality for these certified buildings has not been evaluated in situ. The primary objective of our study was to investigate the indoor quality assessment, more specifically in this paper, we discuss the thermal comfort of a LEED Gold building through both in-situ measurements of temperature, humidity, and occupant comfort surveys. Three measurement stations have been implemented in a low-rise retrofitted Student Union Building starting April of 2014: two in a food court or commercial kitchen environment and the other in a small office. Surveys to assess the comfort levels of both populations have been undertaken. The resulting data set is rich in terms of providing technical and nontechnical feedback on the thermal comfort of a LEED certified building. Preliminary findings indicate that thermal comfort parameters employed for heating, ventilation and air-conditioning systems control were not optimum in practice.

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