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No, the general bathroom exhaust is about a meter above the roof, unless there is a downdraft, the smell is suppressed and to produce a sustained effect, it is possible to smell back into the house, it is generally difficult to appear in this situation, the higher the number of layers, the higher the airflow will also rise.
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No, it won't! The air is moving.
It's better not, as you said, to have strong winds, back to the flue back.
The drain pipe generally has an exhaust hole, if you change this pipe and it does not affect the exhaust of the pipe, the downstairs residents will not have abnormal noise.
Don't get it in the middle of the balcony in the living room, it's so wide. After the balcony is sealed, curtains are installed in the balcony window.
You live on the top floor, you can't hang lanterns on the north and south windows, and can you hang lanterns on the north windows of the kitchen? A: Yes.
Installing an S bend on all the sewer pipes in your house will solve the problem.