Carbon Emissions of Operation Stage of Residential Buildings in Hot Summer and Warm Winter Zone in China
Publication: ICCREM 2022
ABSTRACT
Construction industry consumes a lot of construction materials and energy every year, generating 30%–40% of the world’s carbon emissions. Besides, in 2018, stock area of China’s residential buildings accounted for more than 80%, and carbon emissions accounted for more than 60%. Furthermore, due to dense population, developed economy, and many residential buildings in hot summer and warm winter zone, it is of high value to study its carbon emissions. Carbon emissions of operation stage of residential buildings in hot summer and warm winter zone in China includes air conditioning, lighting, elevator, and domestic appliances. In order to determine its carbon emissions, carbon emissions calculation model is established by using carbon emissions factor method. Taking a residential building in Guangzhou as an example, this paper calculates carbon emissions according to the established model. At the same time, this paper collects and arranges energy consumption of the case building and analyzes differences between model calculation results and measured data. The result shows that carbon emissions of air-conditioning system and lighting system accounts for 44% and 33%, respectively, which have great potential to reduce carbon emissions. Therefore, energy saving and emissions reduction of these two parts should be given priority consideration during construction in architectural design. This study provides some references for reducing carbon emissions of operation stage and also provides some suggestions to promote the development of prefabricated building in hot summer and warm winter zone in China.
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ICCREM 2022
Pages: 227 - 235
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Published online: Dec 15, 2022
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