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一、立项背景在建筑领域,开展既有居住建筑节能改造,推进计量收费,提高能源利用效率,改善居住条件和室内热环境质量,对促进建筑节能深入发展,实现全社会节能减排目标具有重要意义。目前,山东省城镇既有居住建筑约有6.9亿平方米需要进行节能改造,任务十分艰巨。然而既有居住建筑节能改造作为一项长期、持久的工作,其系统性和复杂性比新建建筑困难得
I. Project Background In the construction field, it is important to carry out energy-saving renovation of existing residential buildings, to promote metrology and charging, to improve energy efficiency, to improve living conditions and indoor thermal environment quality, and to promote the in-depth development of building energy efficiency and achieve the goal of energy conservation and emission reduction in the whole society significance. At present, there are about 690 million square meters of existing residential buildings in cities and towns in Shandong Province that require energy-saving reconstruction and the task is arduous. However, the existing residential building energy conservation as a long-term, long-term work, its systematic and complex than the new construction difficult