Attic Exhaust Fan Wont Shut Off

Intake vents located at the lowest part of the roof under the eaves allow cool.

Attic exhaust fan wont shut off. Installed correctly this will vent heat in the summer and moisture in the winter delivering a truly 24 7 365 solution to all your attic ventilation issues. Attic fan not turning 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. However it may be on a dedicated circuit so you can shut it off in.

The best solution is to add a continuous ridge and soffit ventilation system. Check the contactor relay switch. Test the contactor with a multimeter to see if it works. 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.

Make sure the window is at least 30 feet away from the fan. It may be a bad thermocouple but in any case the fan does not know when to shut off. 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. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. A switch to shut it off is a good option. If you have a closed off attic install a window or open one on the other end. These fans use very little electricity.

Remove the access panel with a screwdriver. It is thermostatically controlled. You have no need to turn it off. They are typically easier to install and won t detract from the appearance of your roof.

Read more about why attic fans are a bad idea in my post on attic ventilation. When your attic reaches a certain temperature it comes on. 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 reason behind this could be that your thermostat is set at a very low temperature. Ventilation is very important and in the end will save you money not cost you. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation. 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.

If the fan emits a burning smell from the exhaust there is a problem with the motor. Some people face the issue of the attic fan not turning off. It helps cool the attic in the summer thus supplimenting your insulation. Turn the air conditioning unit s breaker off at the main electrical panel.