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Through the practical measurement and theoretical calculation of the indoor thermal parameters about the existing new rural building in Chengdu, this paper concludes that the indoor thermal environment of Chengdu is very poor. In addition, we propose an energy saving improvement scheme according to the “Design Standard for Energy Efficiency of Rural Residential Buildings” GB/T50824-2013 and the local characters of Chengdu. We also simulate the indoor thermal environment of existing new rural building and improved building using Design-Builder software. As compared with the existing new rural building, we know that the improved building has greatly improved in the indoor thermal environment. The indoor average temperature decreases 2°C-6°C in summer and rises 2°C -7.7°C in winter. As to the humidity between 30% and 60%, the rise rate of each room reaches above 12.9% in summer and reaches 28.8% in winter. The rise rate of PMV index of -1 to +1 reaches above 68.4% in summer and 54.4% in winter from below 20%. The improved building meets the living requirements for local resident in most time.

Research on Status and Improvement of Indoor Thermal Environment for Existing New Rural Building in Chengdu