目前国际能源形势的紧张已不容忽视,全世界一次性能源像煤、石油、天然气、核燃料等都将在未来30年左右消耗殆尽。正是由于能源危机是全世界的问题,在国外,倡导节能住宅已有很长的历史,房屋本身的节能水平是住户购房时一个非常重要的因素,建筑节能与节能住宅成为了国家政策和市场购房的首要指标。 At present, the tension in the international energy situation can not be ignored. The world’s one-time energy sources like coal, oil, natural gas and nuclear fuel will all be depleted in the next 30 years or so. It is precisely because the energy crisis is a worldwide problem. In foreign countries, advocating energy-saving housing has a long history. The energy-saving level of the house itself is a very important factor for households purchasing houses. Building energy-saving and energy-saving houses have become national policies and markets The primary indicator of purchase.