我国批准发布的第一部公共建筑节能设计综合性国家标准《公共建筑节能设计标准》,已于2005年7月1日起正式实施。目前,我国每年城市建成民用房屋建筑面积约10亿平方米,其中公共建筑约3亿-4亿平方米。据专家研究,我国大型公共建筑单位建筑面积能耗大约是普通居住建筑的10倍左右。由此可见,公共建筑节能潜力巨大。 China approved the release of the first public building energy-saving design of a comprehensive national standard “Design Standards for Energy Efficiency of Public Buildings”, has been officially implemented since July 1, 2005. At present, China's annual built-up civilian housing area of ​​about 1 billion square meters of urban construction, of which about 300 million 400 million square meters of public buildings. According to expert research, the energy consumption of the construction area of ​​large-scale public building units in our country is about 10 times that of ordinary residential buildings. This shows that there is a huge potential for energy saving in public buildings.