Exhaust Fan In Attic Not Working

The result is that the fan fills the attic with moist air.

Exhaust fan in attic not working.

That moisture feeds wood rot. Check the intake for any debris. If it is rotating slowly or not producing a lot of air in the high speed setting you may have a problem with the exhaust or intake. An attic fan with a few blades may pick up a humming noise as it runs on a high speed setting.

The replacement is quite simple and straightforward. In winter frost forms in the attic and as the frost melts water can damage the ceilings below. 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. Locate the thermostat casing and open it using a screwdriver.

Common attic fan problems and how to fix them. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand. Fan problems if there are not enough soffit gable or ridge vents a powerful attic exhaust fan can pull the air from your home. Also make sure the exhaust of the attic fan is high and near the roof with no obstructions.

Fan motor runs but the blades don t move sometimes you face an issue where the attic fan s motor comes on but the fan. Switch off the power of the attic fan and remove the power cord. Instead of running the duct through the roof they end the duct inside the attic.