Centrifugal ventilation fan on the bathroom wall

The size, the material is not the same, the price is not the same, more than 30-100 yuan in a treasure, mainly depending on the product materials, the ball bearing pure copper wire motor ventilation fan is better, very durable and maintenance-free, the bathroom must need a ventilation fan to ensure air circulation, otherwise it is easy to breed bacteria.

It is still more convenient to replace the exhaust fan, the key is that you need to understand electricity. >>>More

In home life, the bathroom is a relatively closed place, and the air is humid and cannot be ventilated, so it is a good way to install a ventilation fan in the bathroom. Ventilation fans can effectively remove odors and keep the air flowing in the bathroom. But first of all, it must be installed correctly. >>>More

There are two main considerations for the selection of bathroom exhaust fans, one is the installation location, whether it is installed on the partition wall or the ceiling installation, the exhaust fan installed on the partition wall is generally large, basically more than 288 cubic meters per hour, the partition wall opening is 200mm, or the square hole of 250mm can be, if it is the exhaust fan installed by the ceiling pipe, it is generally necessary to look at the size of the bathroom area, according to the 10 square meters of the bathroom to calculate, the floor height is about 3 meters, There is 30 cubic meters of space, and the exhaust air volume per hour needs to be about 180 cubic meters, according to this ratio, you can know the size of the exhaust fan in the room that needs to be installed.

There is electricity in the switch control line, and there is also electricity in the neutral line, maybe there is a problem in this place. >>>More