Studies on the Implementation of 65 Percent Energy Efficiency for Residential Buildings in Hot Summer and Cold Winter Zone——Hangzhou Beyond View Apartment As An Example

The implementation of 65 percent energy saving for residential buildings is the key of further work of energy efficiency in hot summer and cold winter zone.Based on the practice and reality of Hangzhou Beyond View Apartment,the feasibility of 65 percent energy efficiency for residential buildings in the Hangzhou area was studied.The CHEC software was adopted to calculate the energy efficiency of the sample apartment,so the energy saving rate,the energy saving demand and standard for building envelope were analyzed.To take into consideration of the climatic characteristics of the area and combine the real situation of the sample apartment,related problems which might occur in the energy efficiency design for residential buildings in Hangzhou were discussed.