What is the difference between the exhaust pipe in the bathroom and the exhaust pipe?

Toilet vents share plumbing.

The exhaust duct has two airways, one is the main airway and the other is the bronchi. >>>More

No, you cannot.

You don't need to exhaust yourself, and the residents of several floors downstairs also need to use it, and the common equipment cannot be removed. >>>More

They have the same function, both of which are to keep the airflow in the bathroom unobstructed with the outside world, but the exhaust pipe has a power system device, an electric motor is installed, and the exhaust pipe is a simple exhaust device.

From the exhaust function, it is possible, mainly to see whether the opinions of the property rights unit can be approved, and there is no problem with the property rights of your own house.

This should be caused by the poor insulation effect of the section out of the roof, and you can try to make a section of insulation for the pipe.