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.
Attic fan turns on and off.
If you have a humidistat installed it turns the fan on and off as well according to the humidity.
Also you place it on the roof top or gable mounted.
With an attic fan that switches on appropriately when the attic reaches a specific degree somewhere between 105 120 degrees fahrenheit it serves to push the hot air out of the house and to help cool your home the upstairs bedrooms can drop in temperature by almost 10 degrees.
Attic fans are designed and installed to switch on via a thermometer when the temperature in a house reaches a certain point.
It ensures that a set temperature is maintained.
Some can have manual switches while others use a thermostat to turn them on and off automatically.
This monitoring and control function is served by the thermostat.
An attic fan is normally automatic.
If the motor is working but the fan blades are not moving the problem may be the belt.
Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.
If there is any damage to the belt replace it with a new one.
Will the attic fan take air from within my home.
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.
Typically these devices are used in summer when the temperatures are high exceeding 49 degrees celsius.
Fan motor runs but not the blades.
No the air is taken from the outside through the.
Attic fan not turning on.
Because of the attic s location it is always a hotter part of the house.
An adjustable thermostat which is included turns the fan on and off according to the temperature.