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Title: Revealing the impacts of passive cooling techniques on building energy performance : a residential case in Hong Kong
Authors: Yu, CR
Guo, HS 
Wang, QC
Chang, RD
Issue Date: 2-Jun-2020
Source: Applied sciences, 2 June 2020, v. 10, no. 12, 4188, p. 1-24
Abstract: Environmental concerns and growing energy costs raise the importance of sustainable development and energy conservation. The building sector accounts for a significant portion of total energy consumption. Passive cooling techniques provide a promising and cost-efficient solution to reducing the energy demand of buildings. Based on a typical residential case in Hong Kong, this study aims to analyze the integration of various passive cooling techniques on annual and hourly building energy demand with whole building simulation. The results indicate that infiltration and insulation improvement are effective in regard to energy conservation in buildings, while the effectiveness of variations in building orientation, increasing natural ventilation rate, and phase change materials (PCM) are less significant. The findings will be helpful in the passive house standard development in Hong Kong and contribute to the further optimization work to realize both energy efficiency and favorably built environments in residential buildings.
Keywords: Passive cooling
Whole building simulation
Building energy performance
Phase change materials
Energy efficiency
Hong Kong
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Applied sciences 
ISSN: 2076-3417
DOI: 10.3390/app10124188
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Yu, C.-R.; Guo, H.-S.; Wang, Q.-C.; Chang, R.-D. Revealing the Impacts of Passive Cooling Techniques on Building Energy Performance: A Residential Case in Hong Kong. Appl. Sci. 2020, 10, 4188 is available at
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