天津市是国家公共建筑节能改造首批三个重点城市之一,按照重点城市示范建设要求,该市应完成公共建筑节能改造400万平方米,平均节能率不小于20%。截至目前,该市共安排公共建筑节能改造项目462.8万平方米,其中已完成项目406.1万平方米,平均节能率20.3%,超过国家下 Tianjin is one of the first three key cities in the national energy-saving renovation of public buildings. According to the demonstration construction requirements of key cities, the city should complete 4 million square meters of energy-saving renovation of public buildings with an average energy-saving rate of not less than 20%. Up to now, the city has arranged a total of 4.628 million square meters of public buildings energy-saving renovation projects, of which 4.061 million square meters have been completed projects, the average energy-saving rate of 20.3% over the national