It s obviously a thermostat problem.
Thermostat shut off for attic fan.
Set a daily fan schedule.
Tap start to run your fan.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling.
The replacement is quite simple and straightforward.
If the fan comes on you know that the problem lies with the fan thermostat.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
Installing a thermostat on the attic fan is a simple job that helps you make efficient use of electricity.
It may be a bad thermocouple but in any case the fan does not know when to shut off.
They are typically easier to install and won t detract from the appearance of your roof.
Ventilation is very important and in the end will save you money not cost you.
I recently bought a house that has an attic fan on a thermostat that seems to run whenever the outside temperature gets above about 70.
You have no need to turn it off.
The attic has about 2 3 of blown in cellulose is pitched i don t know the pitch but it s about average for a typical suburban house and has a gable vent on each end l shaped house.
Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.
Locate the thermostat casing and open it using a screwdriver.
When your attic reaches a certain temperature it comes on.
It helps cool the attic in the summer thus supplimenting your insulation.
If your fan has a thermostat turn the fan on and off bypassing the thermostat.
Likewise adjustable thermostats will shut the fan off.
When the temperature within the attic reaches a set point the fan will turn on and start venting the heated air cooling the attic space.
Sometimes it works out more economical to replace the attic fan thermostat instead of repairing it.
The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem.
Your fan will turn off automatically after the time you ve selected or you can turn it off early by selecting stop from the fan menu.
1 shut off the power to the fan at the main service panel.
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.
It is thermostatically controlled.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
The house was constructed in 1958 and is 2x6 wood frame on 16 centers.
You need someone competent to repair it properly.
These fans use very little electricity.
