Attic Vent Fan Not Working

Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.

Attic vent fan not working.

Temp 84f at 5pm. Temp 92 f at 5pm. During workdays would leave air conditioner off when leaving in the morning. They are typically easier to install and won t detract from the appearance of your roof.

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. Hvac equipment in the attic that is well insulated and sealed. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. Too much ventilation and you may find the fan doesn t work efficiently at removing the hot air from the entire attic.

Little or no airflow. If the motor is working but the fan blades are not moving the problem may be the belt. Fan problems if there are not enough soffit gable or ridge vents a powerful attic exhaust fan can pull the air from your home. This was observed on numerous days following the installation.

One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Common attic fan problems and how to fix them. The attic fan kept my house cooler by 8f compared to pre fan installation days. After attic fan installation ac still off during day.

Good attic ventilation is excellent for. Attic insulation that is less than r 19. Bountiful eave soffit ventilation space. Attic ventilation fans could be effective if your home has.

If your whole house fan doesn t have the proper ventilation it s not. 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. An attic floor that is thoroughly air sealed. If there is any damage to the belt replace it with a new one.

Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand.