Comparative study of air-conditioning energy use of four office buildings in China and USA

Zhou, Xin; Yan, Da; An, Jingjing; Hong, Tianzhen; Shi, Xing; Jin, Xing

doi:10.1016/j.enbuild.2018.03.073

Title: Comparative study of air-conditioning energy use of four office buildings in China and USA

Journal Article · Thu Apr 05 00:00:00 EDT 2018 · Energy and Buildings

DOI:https://doi.org/10.1016/j.enbuild.2018.03.073· OSTI ID:1436679

Zhou, Xin ^[1]; Yan, Da ^[2]; An, Jingjing ^[2]; Hong, Tianzhen ^[3]; Shi, Xing ^[1]; Jin, Xing ^[1]

Southeast University, Nanjing (China). School of Architecture
Tsinghua University, Beijing (China). School of Architecture
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Energy use in buildings has great variability. In order to design and operate low energy buildings as well as to establish building energy codes and standards and effective energy policy, it is crucial to understand and quantify key factors influencing building energy performance. Here, this study investigates air-conditioning (AC) energy use of four office buildings in four locations: Beijing, Taiwan, Hong Kong, and Berkeley. Building simulation was employed to quantify the influences of key factors, including climate, building envelope and occupant behavior. Through simulation of various combinations of the three influencing elements, it is found that climate can lead to AC cooling consumption differences by almost two times, while occupant behavior resulted in the greatest differences (of up to three times) in AC cooling consumption. The influence of occupant behavior on AC energy consumption is not homogeneous. Under similar climates, when the occupant behavior in the building differed, the optimized building envelope design also differed. In conclusion, the optimal building envelope should be determined according to the climate as well as the occupants who use the building.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1436679

Journal Information:: Energy and Buildings, Vol. 169, Issue C; ISSN 0378-7788

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 22 works

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