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Article: Energy-Efficient Window Retrofit for High-Rise Residential Buildings in Different Climatic Zones of China

TitleEnergy-Efficient Window Retrofit for High-Rise Residential Buildings in Different Climatic Zones of China
Authors
Keywordswindow retrofit
energy simulation
energy saving
high-rise residential building
climate zones
Issue Date2019
PublisherMDPI. The Journal's web site is located at http://www.mdpi.com/journal/sustainability
Citation
Sustainability, 2019, v. 11 n. 22, p. article no. 6473 How to Cite?
AbstractThe building envelope plays a significant role in the energy performance of buildings and windows are a key element in transmitting heating and cooling between the indoor and outdoor environment, and hence an adequate window system is one of the most important retrofit strategies of existing buildings for energy conservation. Therefore, this study presents a method with a theoretical case study to examine the improvement of energy efficiency in a typical high-rise residential building through window retrofitting. A building energy design model in Designbuilder along with a building information modeling (BIM) model in Revit are developed, with 20 common potential glazing alternatives being analyzed to predict the potential energy savings in the same case building with identical orientation located in a variety of climate zones in China. Based on different parameters and considerations, the results demonstrated that the currently relatively expensive low-e window glazing has the best energy performance in all climate zones, but is sufficiently close to conventionally glazed windows in its energy efficiency to discourage its adoption at present, and that, instead, a single dark conventional glazed window is preferred in a hot summer/warm winter climate, double dark traditional glazing in a hot summer/cold winter climate, and a double clear conventional window in a cold climate. Based on the simulated results, an indicative suggestion was provided to select an adequate window system for residential building retrofitting in the studied climates or similar climatic regions.
Persistent Identifierhttp://hdl.handle.net/10722/279978
ISSN
2023 Impact Factor: 3.3
2023 SCImago Journal Rankings: 0.672
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHE, Q-
dc.contributor.authorNg, ST-
dc.contributor.authorHossain, MU-
dc.contributor.authorSkitmore, M-
dc.date.accessioned2019-12-23T08:24:30Z-
dc.date.available2019-12-23T08:24:30Z-
dc.date.issued2019-
dc.identifier.citationSustainability, 2019, v. 11 n. 22, p. article no. 6473-
dc.identifier.issn2071-1050-
dc.identifier.urihttp://hdl.handle.net/10722/279978-
dc.description.abstractThe building envelope plays a significant role in the energy performance of buildings and windows are a key element in transmitting heating and cooling between the indoor and outdoor environment, and hence an adequate window system is one of the most important retrofit strategies of existing buildings for energy conservation. Therefore, this study presents a method with a theoretical case study to examine the improvement of energy efficiency in a typical high-rise residential building through window retrofitting. A building energy design model in Designbuilder along with a building information modeling (BIM) model in Revit are developed, with 20 common potential glazing alternatives being analyzed to predict the potential energy savings in the same case building with identical orientation located in a variety of climate zones in China. Based on different parameters and considerations, the results demonstrated that the currently relatively expensive low-e window glazing has the best energy performance in all climate zones, but is sufficiently close to conventionally glazed windows in its energy efficiency to discourage its adoption at present, and that, instead, a single dark conventional glazed window is preferred in a hot summer/warm winter climate, double dark traditional glazing in a hot summer/cold winter climate, and a double clear conventional window in a cold climate. Based on the simulated results, an indicative suggestion was provided to select an adequate window system for residential building retrofitting in the studied climates or similar climatic regions.-
dc.languageeng-
dc.publisherMDPI. The Journal's web site is located at http://www.mdpi.com/journal/sustainability-
dc.relation.ispartofSustainability-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectwindow retrofit-
dc.subjectenergy simulation-
dc.subjectenergy saving-
dc.subjecthigh-rise residential building-
dc.subjectclimate zones-
dc.titleEnergy-Efficient Window Retrofit for High-Rise Residential Buildings in Different Climatic Zones of China-
dc.typeArticle-
dc.identifier.emailNg, ST: tstng@hku.hk-
dc.identifier.emailHossain, MU: uzzal@hku.hk-
dc.identifier.authorityNg, ST=rp00158-
dc.identifier.authorityHossain, MU=rp02580-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3390/su11226473-
dc.identifier.scopuseid_2-s2.0-85075894980-
dc.identifier.hkuros308826-
dc.identifier.volume11-
dc.identifier.issue22-
dc.identifier.spagearticle no. 6473-
dc.identifier.epagearticle no. 6473-
dc.identifier.isiWOS:000503277900286-
dc.publisher.placeBasel, Switzerland-
dc.identifier.issnl2071-1050-

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