Attic Exhaust Fan Not Working

A whole house fan is typically installed in the ceiling to your attic not in your roof.

Attic exhaust fan not working.

Fan motor runs but not the blades. How attic ventilation works. Attic fan not turning on. Temp 84f at 5pm.

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. Which uses wind to power its enclosed fan. 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. The attic fan kept my house cooler by 8f compared to pre fan installation days.

Winds that are too light or not flowing directly at the vent s entrance will do little work to cool down the space. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. The downside of attic ventilation fans. However the utility of attic ventilation fans is actually quite a controversial topic.

If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. Good insulation reduces fan effectiveness. A whole house fan is different than an attic fan. Best ventilation is open soffit venting to a open vented ridge vent.

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. With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. Temp 92 f at 5pm. This was observed on numerous days following the installation.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. Quietcool attic fans work almost everywhere almost anytime. You may need to replace a circuit breaker an electrical outlet or one of the wire connections. During workdays would leave air conditioner off when leaving in the morning.

If the motor is working but the fan blades are not moving the problem may be the belt. One of the leading causes for fires. You use it as an exhaust fan in conjunction with opening the windows of your home to pull a breeze through your entire home. After attic fan installation ac still off during day.

Do not use mechanical means electric attic fans.