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Efficiency assessment of indoor environmental policy for air-conditioned offices in Hong Kong

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  • Wong, L.T.
  • Mui, K.W.

Abstract

To reduce carbon dioxide (CO2) emissions through thermal energy conservation, air-conditioned offices in the subtropics are recommended to operate within specified ranges of indoor temperature, relative humidity and air velocity. As thermal discomfort leads to productivity loss, some indoor environmental policies for air-conditioned offices in Hong Kong are investigated in this study with relation to thermal energy consumption, CO2 emissions from electricity use, and productivity loss due to thermal discomfort. Occupant thermal response is specifically considered as an adaptive factor in evaluating the energy consumption and productivity loss. The energy efficiency of an office is determined by the productivity which corresponds to the CO2 generated. The results found that a policy with little impact on occupant thermal comfort and worker productivity would improve the office efficiency while the one with excessive energy consumption reduction would result in a substantial productivity loss. This study is a useful reference source for evaluating an indoor thermal environmental policy regarding the energy consumption, CO2 emissions reduction, thermal comfort and productivity loss in air-conditioned offices in subtropical areas.

Suggested Citation

  • Wong, L.T. & Mui, K.W., 2009. "Efficiency assessment of indoor environmental policy for air-conditioned offices in Hong Kong," Applied Energy, Elsevier, vol. 86(10), pages 1933-1938, October.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:10:p:1933-1938
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    References listed on IDEAS

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    Cited by:

    1. Zheng, Guozhong & Jing, Youyin & Huang, Hongxia & Gao, Yuefen, 2010. "Application of improved grey relational projection method to evaluate sustainable building envelope performance," Applied Energy, Elsevier, vol. 87(2), pages 710-720, February.
    2. Xiaoxia Gao & Lu Xia & Lin Lu & Yonghua Li, 2019. "Analysis of Hong Kong’s Wind Energy: Power Potential, Development Constraints, and Experiences from Other Countries for Local Wind Energy Promotion Strategies," Sustainability, MDPI, vol. 11(3), pages 1-20, February.
    3. He, Deqiang & Teng, Xiaoliang & Chen, Yanjun & Liu, Bin & Wang, Heliang & Li, Xianwang & Ma, Rui, 2022. "Energy saving in metro ventilation system based on multi-factor analysis and air characteristics of piston vent," Applied Energy, Elsevier, vol. 307(C).
    4. Agüero, J. & Rodríguez, F. & Giménez, A., 2013. "Energy management based on productiveness concept," Renewable and Sustainable Energy Reviews, Elsevier, vol. 22(C), pages 92-100.
    5. Liu, Minzhang & Zhu, Chunguang & Zhang, Huan & Zheng, Wandong & You, Shijun & Campana, Pietro Elia & Yan, Jinyue, 2019. "The environment and energy consumption of a subway tunnel by the influence of piston wind," Applied Energy, Elsevier, vol. 246(C), pages 11-23.
    6. Cheung, C.T. & Mui, K.W. & Wong, L.T., 2013. "Energy efficiency of elevated water supply tanks for high-rise buildings," Applied Energy, Elsevier, vol. 103(C), pages 685-691.
    7. Singh, Manoj Kumar & Mahapatra, Sadhan & Atreya, S.K., 2011. "Adaptive thermal comfort model for different climatic zones of North-East India," Applied Energy, Elsevier, vol. 88(7), pages 2420-2428, July.
    8. Prieto, Alejandro & Knaack, Ulrich & Klein, Tillmann & Auer, Thomas, 2017. "25 Years of cooling research in office buildings: Review for the integration of cooling strategies into the building façade (1990–2014)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 71(C), pages 89-102.
    9. Zhang, Sheng & Cheng, Yong & Fang, Zhaosong & Huan, Chao & Lin, Zhang, 2017. "Optimization of room air temperature in stratum-ventilated rooms for both thermal comfort and energy saving," Applied Energy, Elsevier, vol. 204(C), pages 420-431.

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