An exhaust fan and a ventilation fan are both types of fans that are used to improve the air quality and circulation in a room, but they differ in their specific functions and usage.

An Exhaust Fans Manufacturers is primarily designed to remove stale or polluted air from a room or space and to expel it outside. It works by creating negative air pressure, which draws the indoor air out of the room and vents it outside. Exhaust fans are commonly used in areas like kitchens, bathrooms, and laundry rooms to remove humidity, smoke, and odors.An exhaust fan is a mechanical device that is used to remove stale or polluted air from a room or space and expel it outside. It works by creating negative air pressure, which draws the indoor air out of the room and vents it outside. Exhaust fans are commonly used in areas like kitchens, bathrooms, and laundry rooms to remove humidity, smoke, and odors.

On the other hand, a ventilation fan is designed to improve air circulation and quality by bringing in fresh outdoor air and removing stale indoor air. Unlike exhaust fans, ventilation fans do not necessarily expel air outside. Instead, China Ventilation Fans Suppliers may circulate air within a room or building, or they may draw in fresh air from the outdoors and distribute it throughout the space. Ventilation fans are commonly used in areas like attics, basements, and crawl spaces to improve air quality and prevent moisture buildup.

In summary, the key difference between an exhaust fan and a ventilation fan is that an exhaust fan removes indoor air and expels it outside, while a ventilation fan improves air circulation and quality by bringing in fresh air and/or distributing indoor air.