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Lifecycle CO2 Reduction by Implementing Double Window Casement Systems in Residential Units in Korea

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 10 Feb 2015Publisher:MDPI AGJournal:Energies, volume 8, pages 1,336-1,352 (eissn: 1996-1073,

Authors: Cheong, Chang Heon; Kim, Taeyeon; Leigh, Seung-Bok;

doi: 10.3390/en8021336

Lifecycle CO2 Reduction by Implementing Double Window Casement Systems in Residential Units in Korea

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Abstract

This study investigated lifecycle CO2 (LCCO2) emission reductions through application of double-window casement systems (DWCS) in residential units in Korea, compared with conventional single windows (SWs). The DWCS is a double window system that is energy-efficient, reducing energy consumption during operation. However, this system incorporates increased embodied CO2 emissions. We evaluated LCCO2 reductions associated with use of the DWCS by calculating CO2 emissions during space conditioning as well as the embodied CO2 emissions of the DWCS. The results showed that use of DWCS in a residential unit during the cooling season had 26.2 and 27.4 t CO2 fewer emissions than SWs in the natural ventilation and minimum ventilation modes, respectively. Although implementation of DWCS is expected to substantially reduce LCCO2 emissions, the large embodied CO2 emissions of the aluminum frame reduce the benefits of the DWCS.

Related Organizations

Gyeongnam National University of Science and Technology
Korea (Republic of)
Gyeongnam National University of Science and Technology
Korea (Republic of)
Yonsei University
Korea (Republic of)
Yonsei University
Korea (Republic of)

Keywords

Technology, double-window system; residential unit; lifecycle CO 2 ; energy simulation, lifecycle CO<sub>2</sub>, energy simulation, double-window system, residential unit, T, lifecycle CO2, jel: jel:Q40, jel: jel:Q, jel: jel:Q43, jel: jel:Q42, jel: jel:Q41, jel: jel:Q48, jel: jel:Q47, jel: jel:Q49, jel: jel:Q0, jel: jel:Q4

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average