建筑节能,是指在保证建筑舒适性的条件下,通过提高建筑围护结构的隔热保温性能、采暖空调系统运行效率和自然能源利用等技术措施,提高建筑中的能源利用率, 降低建筑使用中的能源消耗。近些年来,国家将推动新建住宅和公共建筑节能作为能源节约工作的重 Building energy conservation means that under the conditions of ensuring the building comfort, technical measures such as improving the thermal insulation performance of the building envelope, operating efficiency of the heating and air conditioning system, and utilizing natural energy will be used to improve the energy efficiency in the building and reduce the use of the building In the energy consumption. In recent years, the state will promote the energy conservation of new residential and public buildings as a heavy task