First we have the housing this needs to protect all the mechanical and electrical equipment inside the unit from the sun wind rain snow frost etc.
Exhaust fan roof top unit.
The roof or rooftop exhaust fan is the most efficient way to rid a building or facility of overheated air issues.
Since hot air rises to the ceiling or the highest point of a structure it makes sense that having exhaust fans mounted on the roof will work best.
This is usually a belt.
Rooftop exhaust fans are designed to remove heat and odors from buildings to improve air quality and occupant comfort.
Grease extraction roof exhaust fans are described under ul 762 standards.
Axial and centrifugal fans.
After the coils we ll then find the fan.
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The return air is usually removed by an external exhaust fan to balance the air pressure.
Areas such as cafeterias locker rooms office spaces restrooms and warehouses often have unique requirements specified by local codes and utilize a wide range of rooftop exhaust fans.