Analysis of Photothermal Environment and Comprehensive Energy Consumption of Electrochromic Glass Window Based on Energy Plus
This paper used EnergyPlus software to study the impact of electrochromic glass windows on room temperature and thermal comfort of office buildings in Hefei,Anhui Province in non-air-conditioned environment;and the impact of electrochromic glass windows on office building energy consumption in air-conditioned environments.The results show that in a non-air-conditioned environment,compared with ordinary 6mm glass windows,the high temperature time in summer is reduced by 245 hours,and the annual thermal comfort time is increased by 753 hours throughout the year;compared with Low-E glass windows,the high temperature time in summer is reduced by 164 hours,and the annual thermal comfort time is increased by 333 hours.While,in an air-conditioned environment,the annual energy consumption of the electrochromic glass windows is 23.9％higher than that of the 6mm ordinary glass windows,and 7.7％higher than that of the Low-E windows.Electrochromic glass windows can effectively improve the indoor thermal environment and the thermal comfort and can significantly reduce energy consumption simultaneously.
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