Generally such fans are cheaper than direct drive fans of comparable size.
Belt drive whole house fan.
Thanks to a motor mounted just above and to the side of the fan a belt drive whole house fan provides for smooth quiet operation.
Master flow 30 in steel single belt drive whole house fan.
An attic fan draws hot air out of the top of a home and vents it outside.
It offers an efficient way to reduce cooling costs by pulling fresh air in from the outside expelling the warm air up into the attic and pushing it out through the attic exhaust vents.
They feature a pull chain for easy operation.
With a belt drive the fan speed can be easily raised or lowered but there is belt and bearing maintenance to consider with a belt drive there are 2 additional bearings.
In a belt driven configuration the motor exists independently of the fan blades and at least one belt sometimes more connects the motor to the fan s moving parts.
Tpi belt drive whole house fan.
Belt driven fans offer greater flexibility in terms of rpm speed.
With direct drive.
36bwhfs is required for your whole house fan.
It is ul listed with thermal overload protection.
Cool attic 24 in steel single belt drive whole house fan.
This is one of the cheapest fans that you can find that still fits into the whole house fan category.
Of neva 36bwhfs model needs 1584 sq.
The whole house belt drive pulley allows quieter operation and includes a 2 speed wall switch.
Tpi bd302whs belt drive whole house fan 30 1 3 hp motor 5 5 6 9 amps 120 v fans for house ventilation.
A broken fan belt stops the motor from engaging the fan blades and must be replaced if the attic fan is to continue being used.
To replace a broken fan belt remove the belt and substitute a functional one in its place.
30bwhfs model needs 1152 sq.
See chart below net free.
24 inch belt drive whole house fan with shutter standard model the cool attic 24 is designed for houses with 1 200 to 1 800 sq.
For pricing and availability.
That is because of its design elements.
This is essentially a durable exhaust fan that has self closing shutters.