哈尔滨市是我国北方严寒地区的最大城市,既有的非节能建筑存量较大。这些老旧建筑普遍存在墙体透寒、保温低下能耗较高、居住环境较差等问题,与现代化城市发展的差距逐年拉大。 Harbin is the largest city in the cold area of ​​northern China, and the existing non-energy-conserving buildings are in large stock. These old buildings generally have the problem that the wall is permeable to the cold, low heat insulation, high energy consumption, poor living environment and other issues, and the gap with the development of modernized cities is gradually widened every year.