1 前言 改革开放以来,我国房屋建筑业出现了空前建设的新时代。但我国人口多,耕地少,所以建筑节能工作在我国尤其意义重大。所谓建筑节能实际上就是减少建筑能耗。建筑能耗包括建造能耗和使用能耗两个方面。我国建筑能耗约占全国能源消耗总量的1/4。建造能耗包括建筑材料, 1 Foreword Since the reform and opening up, China’s housing construction industry has witnessed a new era of unprecedented construction. However, our country has a large population and little cultivated land. Therefore, building energy-saving work in China is of great significance. The so-called building energy efficiency is actually reducing the energy consumption of buildings. Building energy consumption includes both energy consumption in construction and energy consumption. China’s building energy consumption accounts for about 1/4 of the country’s total energy consumption. Building energy consumption includes building materials,