What Is Ventilation Fans?

The ventilation fan is to replace the dirty air in the room to the outside, and then bring the fresh air from the outside into the room.  The ventilation fan is relatively simple and easy to install.  It's practical and not too expensive.  If there is a lack of air circulation in the room, the kitchen fumes and the moisture in the bathroom will be difficult to dissipate, thus affecting the health of the family.  In addition to promoting air circulation through windows or installing more expensive equipment such as range hoods and integrated ceilings, there is also a more economical and effective method, which is to install ventilation fans.

The ventilation fan is a type of axial flow fan.  It is mainly used in negative pressure ventilation and cooling projects and is called an exhaust fan.  The exhaust fan has the characteristics of large air duct, large fan blade diameter, large exhaust volume, ultra-low energy consumption, low speed and low noise.  The role of the exhaust fan.  The use of ventilation fans and cooling water curtains can solve the problems of ventilation and cooling in one fell swoop.  During the operation of the ventilation fan, a negative pressure environment will be formed in the room.

There are three main ventilation methods of ventilation fans: exhaust type, suction type, and combined type.  The exhaust type enters the air from the natural air inlet, and the dirty air is discharged through the ventilation fan;  the suction type sucks in fresh air through the ventilation fan, and discharges the dirty air from the natural exhaust port;  the combined type is that the suction and exhaust are both completed by the ventilation fan.  Ventilating fans are widely used in homes and public places.

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