Is it okay for the hotel to sleep at night without opening the bathroom exhaust fan?

The power of the exhaust fan is small, so the amount of air flow after closing the doors and windows is very small, resulting in insufficient power to open the fan blades. You can leave a small gap between the doors and windows.

According to the person in charge of an exhaust fan sales office, there are three types of household exhaust fans on the market: ceiling type, wall-mounted type and window type. Zhengye GENUIN, BNN-LONON, Panasonic Panasonic, Midea Midea, Jinling These are the top 10 brand portals to buy the exhaust fan industry brand list introduction, you can go to understand, or buy a better brand.

Expert Answers:

1: The exhaust fan should be installed as close to the original air duct as possible, which is in line with the principle of shortest pipeline. >>>More

The main method is to check two aspects, one is whether the exhaust fan has discharged the air, whether the pipe is blocked, whether the check valve is dusty, can not be opened, whether the tuyere is blocked, the other is to check whether the air volume of the exhaust fan is enough, generally need 10 times the volume of the bathroom space for the appropriate exhaust air volume, three is not the exhaust fan needs to be cleaned, whether there is too much dust on the wind wheel, and then there is whether the exhaust fan is long, the motor is aging, and the speed is slow. The lubricating oil in the bearing is dry, if you need more professional consultation, you can consult, static electromechanical technology, we will provide you with a detailed plan for the selection of bathroom exhaust fans.

Disassemble the switch to connect the light and see how many wires there are, if there are only two, it means that the wire of the exhaust fan and the wire of the lamp are connected together. There is no other way but to re-run the line from the line pipe. If there are four wires, determine which two are connected to the fan, and then change them to the other switch.