Why does the exhaust fan in my bathroom blow air into the room? Is it installed incorrectly?

A hole must be made in the wall.

Connect the exhaust ducts well. >>>More

Bathroom exhaust fans not only have different brands, but also have different appearance designs, some exhaust fan design is very intimate, not only has a professional check valve closure design, can effectively place the outside air and mosquitoes to enter, the internal centrifugal wheel design is ingenious, not only large air volume, low noise, and high efficiency. Different brands of exhaust fans have different quality panels and different effects of impellers and frames, which can be selected according to your needs. If you want to know which bathroom exhaust fan brand is easy to use, it is best to choose according to your preferences and the effect of use. >>>More

This specification is not common, most of them are 30*30, or 60*60.

The main thing is not for the mood, but for the convenience of the cleaning staff to quickly observe the cleaning situation and report to the front desk as soon as possible.

Multiple reasons:1The exhaust fan is broken, 2The control switch is damaged, 3Circuit aging, 4Loosening of the wire joints.