随着国家对建筑节能的重视和夏热冬冷地区城市改造的深入推进,既有建筑的节能改造已被提到议事日程。针对一般既有建筑的实际情况提出节能优化改造方法,并以夏热冬冷地区典型既有建筑为对象进行分析,为夏热冬冷地区城市发展中既有建筑的节能综合改造提出一些优化思路。 As the state attaches great importance to building energy efficiency and urban renewal in areas hot in summer and cold in winter, the energy-saving renovation of existing buildings has been put on the agenda. According to the actual situation of the common buildings, this paper puts forward the energy-saving optimization and reconstruction methods, and analyzes the typical existing buildings in the areas hot in summer and cold in winter, and puts forward some optimization ideas for the energy-saving and comprehensive reconstruction of existing buildings in urban areas with hot summer and cold in winter .