20 cm x 20 cm bathroom ventilation fan

Size 1: There are many styles of exhaust fans in the bathroom, and there are many sizes, the general bathroom exhaust fan is the same as the most common oil extraction fan, and the bathroom without windows will almost install such an exhaust fan, and the specifications of the exhaust fan are open to size; Frame size, which is the specification of most ordinary exhaust fans.

Size 2: Some bathroom exhaust fans are a kind of enclosed type, and their functions are similar to the first exhaust fans, but there are certain differences in appearance. The specifications of this exhaust fan are generally such a square design. Relatively stylish.

Size three: There is also a bathroom exhaust fan similar to the shape of a central air conditioner, the opening size is, and the panel size is.

Size 4: There are actually many specifications of the bathroom fan, according to the actual size of the bathroom, the specifications can be determined by controlling the diameter of the air outlet, the quota power, the size of the opening and the size of the plate surface of the exhaust fan.

Exhaust fans, also known as ventilation fans, ventilation fans, etc. It is a kind of air conditioning electrical appliance that drives the fan blade to rotate and drive the airflow to exchange indoor and outdoor air. Restroom exhaust fans are important to remove dirty air from the restroom and regulate temperature, humidity and feel.

Especially in the cold winter, in a sealed environment, the exhaust fan is even more important.

At present, there are three types of household exhaust fans on the market: ceiling type, wall-mounted type and window type.

Among them, the ceiling exhaust fan has a better appearance and can be installed on the ceiling of the bathroom. The ventilation fan has a short duct, so it is necessary to purchase a ventilation duct to match the duct when installing.

Wall-mounted exhaust fans are small enough to be embedded in the wall, but they are only suitable for installation in smaller bathrooms due to the narrow cross-section of the exhaust vents, which results in weak ventilation.

The window exhaust fan is different from the first two, it has a single and double two-way operation, which can not only exhaust the indoor air, but also supplement the outdoor fresh air to the room, therefore, the window exhaust fan has a larger application range and better effect.

You need to confirm whether your exhaust fan is installed on the ceiling pipe or the partition wall exhaust fan, if it is a ceiling pipe ventilation fan, generally speaking, it is the smallest ceiling pipe exhaust fan, the air volume is generally about 120 cubic meters, if the partition wall exhaust fan opening is 200mm*200mm, the air volume is generally 280 cubic meters per hour, the exhaust air of the small bathroom of the family can meet the needs, if you need to choose the appropriate exhaust fan for your room, you can consult Jing Electromechanical TechnologyWe will provide you with detailed installation and purchase information of exhaust fan products.