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能源是人类赖以生存和发展的物质基础。随着经济的发展和人民生活水平的提高,能源供求矛盾日趋激烈,能源问题将成为制约我国经济发展的重要因素之一。在全世界的能源消耗中,无论是发达国家还是发展中国家,建筑能耗约占总能耗的25%—40%。我国是能耗大国,推行建筑节能显得尤为重要。建筑节能即为在建筑中有效利用相关能源,不断提高能源利用效率。建筑节能不仅是被动的节省能源,而更应该是积极有效的利用能源。
Energy is the material basis for the survival and development of mankind. With the economic development and improvement of living standards of the people, the contradiction between supply and demand of energy is becoming increasingly fierce, and the energy issue will become one of the important factors restricting the economic development of our country. In the world’s energy consumption, whether it is developed or developing countries, building energy consumption accounts for about 25% -40% of total energy consumption. China is a big country with energy consumption. It is particularly important to promote building energy conservation. Building energy efficiency is the effective use of energy in buildings, and continuously improve energy efficiency. Building energy conservation is not only a passive energy-saving, but more active and efficient use of energy.