A fan that won t run is often caused by a failed motor or a bad thermostat.
Attic fan test.
If there is any damage to the belt replace it with a new one.
Switch off the power of the attic fan and remove the power cord.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Quietcool s smart gable mount attic fan is our top pick for its ease of use simple installation and maximum energy efficiency.
It is built with high quality materials and durable motor.
Intake vents located at the lowest part of the roof under the eaves allow cool.
How to test an attic fan motor and thermostat.
Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection.
If the motor is working but the fan blades are not moving the problem may be the belt.
You should test your attic fan annually and preferably in the spring time first few days in of.
Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.
I read that venting is important.
If you notice that the attic fan is not switching on or off according to temperature variation it indicates that the thermostat is no longer functioning properly.
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If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working.
How to test a hardwired attic fan.
If you have 1 200 cubic feet of attic the calculation is 1 200 x 0 6 720.
Step 1 test the fan motor.
Step 2 test the thermostat.
The smart model is a gable mount meaning it simply mounts plugs in with its attached 20 foot power cord and it s ready to go.
Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet.
The replacement is quite simple and straightforward.
An attic fan used for venting pushes the hot air out the roof space so if it isn t replaced from outdoors you get depressurization.
Fan motor runs but not the blades.
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Locate the thermostat casing and open it using a screwdriver.
Turn the attic fan off and unplug the motor from the thermostat.
