当前,随着经济的快速发展,我国能源短缺的问题日益凸显,在能源消耗中,建筑耗能已与工业耗能、交通耗能并列,成为我国能源消耗三大组成部分。而在所有的建筑中,既有建筑的比重占到95%以上,其中99%为高能耗建筑,因此大力推进既有建筑节能改造,已成为节能领域的当务之急。 At present, with the rapid economic development, the issue of energy shortage in our country has become increasingly prominent. In energy consumption, building energy consumption has been tied with industrial energy consumption and traffic energy consumption and has become the three major components of China’s energy consumption. In all buildings, the proportion of existing buildings accounted for more than 95%, of which 99% of high-energy buildings, so vigorously promote the renovation of existing buildings, energy-saving areas has become a top priority.