建筑虽然要强调围护结构的保温性,但是室内环境不是种菜的温室大棚,人体呼吸需要新鲜空气。在经历了“非典”之后,夏天人们使用空调时不再像以往那样门窗紧闭,而是开窗通风,以获得新鲜空气。但是开窗情况下空调运行,耗电量增加1至2倍,如果是别墅、会馆、办公楼等全空气运行系统 Although the building to emphasize the insulation of the envelope, but the indoor environment is not a vegetable greenhouse, the body needs fresh air to breathe. After experiencing “SARS”, people in summer use air-conditioners instead of closed windows and doors as they used to. Instead, they open the windows to get fresh air. However, air-conditioning operation when the window is opened, the power consumption increased by 1 to 2 times, if it is villas, clubs, office buildings and other air-operated systems