The cost of repairing the thermostat depends on the cause of the attic exhaust fan problem.
Thermostat shut off for attic fan.
If your fan has a thermostat turn the fan on and off bypassing the thermostat.
In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time.
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.
Set a daily fan schedule.
You have no need to turn it off.
It is thermostatically controlled.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
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.
They are typically easier to install and won t detract from the appearance of your roof.
When your attic reaches a certain temperature it comes on.
Switch off the power of the attic fan and remove the power cord.
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 s obviously a thermostat problem.
1 shut off the power to the fan at the main service panel.
The replacement is quite simple and straightforward.
Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.
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.
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.
Tap start to run your fan.
These fans use very little electricity.
It may be a bad thermocouple but in any case the fan does not know when to shut off.
Ventilation is very important and in the end will save you money not cost you.
It helps cool the attic in the summer thus supplimenting your insulation.
The house was constructed in 1958 and is 2x6 wood frame on 16 centers.
Installing a thermostat on the attic fan is a simple job that helps you make efficient use of electricity.
If the fan comes on you know that the problem lies with the fan thermostat.
Sometimes it works out more economical to replace the attic fan thermostat instead of repairing it.
Locate the thermostat casing and open it using a screwdriver.
You need someone competent to repair it properly.
A switch to shut it off.
