Generally such fans are cheaper than direct drive fans of comparable size.
Belt driven attic fan rattle.
A minimum attic exhaust opening of 1152 square inches for the 30bwhfs or 1584 inches for the 36bwhfs is required for your whole house fan.
Belt drive attic fans are usually much quieter than direct drive models though the latter are often cheaper.
The fans install in the attic above a central hallway.
The cause of the problem could be the belt.
It allows you to beat the heat by forcing hot air out of your home through the attic space while bringing in cooler outside air through your.
Belt driven fans offer greater flexibility in terms of rpm speed.
Cool attic 24 in steel single belt drive whole house fan.
You ll need to take out the outer casing of the fan and look to see if the belt is cracked sagging worn out or broken.
The attic exhaust vents and intake vents become exhaust outlets for the air the fan dumps into the attic while the unit is running.
Belt drive deluxe whole house fan is a smart energy saver for any home in a climate where air conditioning costs are a concern.
See chart below net free.
30bwhfs model needs 1152 sq.
The master flow 6000 cfm 30 in.
It is suitable for a home with a 2 000 3 000 square foot attic.
If there s a problem with the belt replace it with a new one.
You ll find cheap gable mount attic fans for between 50 and 75.
Expect to pay between 50 to 400 and up for an attic fan depending on the type and quality.
It is ul listed with thermal overload protection.
Belt drive the master flow 6000 cfm 30 in.
Open area of a belt drive whole house fans.
The whole house belt drive pulley allows quieter operation and includes a 2 speed wall switch.
The cx24bdm 2spd 24 inch cool attic belt drive whole house fan offers an energy efficient way to trim cooling costs while keeping your entire home more comfortable and is belt driven for quieter operation.
Master flow 30 in steel single belt drive whole house fan.
For pricing and availability.
It allows joist in or joist out installation for ceiling mount.
These are likely to be small with relatively.
Open up the windows inside the house turn on the fan and it pulls in cooler outdoor air to replace the warm indoor air dumping it into the attic.
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.
