Analysis of Influencing Factors on Energy-saving Renovation of Existing Office Building Envelope Structures in Shenzhen Based on DeST-C
With the updating and iteration of technology,there is a significant gap in energy efficiency and equipment performance of existing buildings compared to newly built ones.However,they have not yet reached the age of renovation,and the high energy consumption associated with old buildings poses a huge challenge to urban development.Improving the existing building environment and reducing building energy consumption levels are issues that cannot be ignored.This article taking an existing office building in Shenzhen as an example,the dynamic energy consumption simulation software DeST-C is used to analyze the energy consumption of the building.The study investigated the effects of window to wall ratio、external window heat transfer coefficient、external window glass shading coefficient、building exterior wall and roof on indoor cooling load under no natural ventilation conditions.This provides a theoretical basis for the renovation of office building envelope structures in hot summer and warm winter areas,and provides reference for energy-saving renovation of related existing projects.
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