对于单元楼内对外无窗户的卫生间,卫生间通风机对改善室内空气是十分有效的。但是,装了通风机缺点就暴露出来了。开风机效果自然好,但是一般通风机都有小百页窗,风机不开时百页窗关闭。这也是十分必要的,只有这样才能阻挡外来的异味进入室内。随之而来的缺点 For bathroomless windows in the unit building, bathroom fans are very effective in improving indoor air. However, the shortcomings of installing ventilators were exposed. The effect of the opener is naturally good, but in general the ventilators have small louvers and the louver closes when the fan is not open. This is also very necessary. Only in this way can the foreign odor be blocked from entering the room. The disadvantages that come with it