Attic Ventilation Fan Not Working

However the utility of attic ventilation fans is actually quite a controversial topic.

Attic ventilation fan not working.

This will indeed help reduce the temperature in the attic but only marginally unless the incoming air from outside is substantially colder not likely in the summer till nightfall you also. If the motor is working but the fan blades are not moving the problem may be the belt. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. You may need to replace a circuit breaker an electrical outlet or one of the wire connections.

Good insulation reduces fan effectiveness. Temp 92 f at 5pm. Too much ventilation and you may find the fan doesn t work efficiently at removing the hot air from the entire attic. During workdays would leave air conditioner off when leaving in the morning.

If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working. One of the leading causes for fires. Temp 84f at 5pm. After attic fan installation ac still off during day.

Do not use mechanical means electric attic fans. More than 50 of the attic fans i see do not work and have current still live to the motor. Best ventilation is open soffit venting to a open vented ridge vent. A mechanical fan working in an attic space equipped with adequate ventilation openings can move hot air out and increase the flow of air through the attic.

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. They are typically easier to install and won t detract from the appearance of your roof. Which uses wind to power its enclosed fan. The downside of attic ventilation fans.

Winds that are too light or not flowing directly at the vent s entrance will do little work to cool down the space. How attic ventilation works. The attic fan kept my house cooler by 8f compared to pre fan installation days. Fan motor runs but not the blades.

If your whole house fan doesn t have the proper ventilation it s not. This was observed on numerous days following the installation. Ridge vent must me installed per the manufactures instructions. Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection.