文中介绍了一种住宅用节能换气装置的构造、原理及功能。采用这种装置 ,不但可进行有组织地换气 ,而且冬季可回收排气中的热量 ,夏季可回收冷量 ,为实现节能 5 0 %的目标创造了条件 This article describes a residential energy-saving ventilation device structure, principle and function. With this device, not only can the ventilation be organized, but the heat in the exhaust can be recovered in the winter and the cold can be recovered in the summer, creating the goal of saving 50% of the energy