Attic Exhaust Fan Wont Shut Off

Test the contactor with a multimeter to see if it works.

Attic exhaust fan wont shut off.

Remove the access panel with a screwdriver. Make sure the window is at least 30 feet away from the fan. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home. Intake vents located at the lowest part of the roof under the eaves allow cool.

However it may be on a dedicated circuit so you can shut it off in. If the fan emits a burning smell from the exhaust there is a problem with the motor. The best solution is to add a continuous ridge and soffit ventilation system. A switch to shut it off is a good option.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Attic fan not turning off. The house was constructed in 1958 and is 2x6 wood frame on 16 centers. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.

This will create a nice airflow and allow more air into the fan itself. Check the contactor relay switch. It could also be because someone hotwired it to the power source. Ventilation is very important and in the end will save you money not cost you.

The reason behind this could be that your thermostat is set at a very low temperature. 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. Turn the air conditioning unit s breaker off at the main electrical panel. When your attic reaches a certain temperature it comes on.

These fans use very little electricity. You have no need to turn it off. Some people face the issue of the attic fan not turning off. This is because it is not getting enough air.

This component tells the air conditioning fan to shut off once the thermostat reaches a reading equal to the temperature setting. 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. If you have a closed off attic install a window or open one on the other end. It helps cool the attic in the summer thus supplimenting your insulation.

Read more about why attic fans are a bad idea in my post on attic ventilation. If there are not enough soffit gable or ridge vents a powerful attic exhaust fan can pull the air from your home through the ceiling if it is not perfectly sealed off. They are typically easier to install and won t detract from the appearance of your roof. It may be a bad thermocouple but in any case the fan does not know when to shut off.