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我国“九五”计划和2010年发展规划,对建筑物节能提出了新的标准,要求实施建筑节能50％的目标。在建筑物中,门窗、墙体、屋面、地面为建筑能耗的四大部位,其中门窗损耗约占50％以上,排列首位。因此发展新型节能型门窗是实现节能的关键所在。我国大多数民用建筑物上使用的是木、钢、铝合金门窗。由于木材紧缺、钢材易锈,而铝合金门窗美观大方,所以深受欢迎,但铝合金门窗的能耗远高于其他建筑材料,高于国家规定的
China’s “Ninth Five-Year Plan” and the 2010 Development Plan have set new standards for building energy conservation and require the implementation of a 50% target for building energy conservation. In buildings, doors and windows, walls, roofs and floors are the four major parts of building energy consumption, of which the loss of doors and windows accounts for more than 50%, ranking first. Therefore, the development of new energy-saving doors and windows is the key to achieving energy savings. Most of the civil buildings in China use wood, steel, and aluminum alloy doors and windows. Because of the shortage of wood and the rust of steel, aluminum alloy doors and windows are very popular, but the energy consumption of aluminum alloy doors and windows is much higher than other building materials, higher than the national regulations.