The exhaust fan in the toilet and the exhaust fan on the roof can be turned off at the same time, an

Probably not, the heating exhaust fan in the bathroom is on the bath bomb, and the ventilation exhaust fan should be installed on the wall to pump the air out of the bathroom.

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Yes, my toilet is pressed by the bath bomb, and the exhaust fan has the same meaning, dig a hole in the top, hang it on the keel, and the keel can be forbidden.

I have just finished my graduation project. In the ventilation design of the whole building, the toilet will not be equipped with a blower, so it is necessary to install an exhaust fan for the comfort of the overall environment and the exhaust gas of the toilet, so it is necessary to install an exhaust fan in a negative pressure condition.

It must be separated, and if it is not separated, then the developer is too irresponsible!