The downside of attic ventilation fans.
Attic fans not working.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
Good insulation reduces fan effectiveness.
If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working.
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.
Common attic fan issues.
One of the leading causes for fires.
Temp 84f at 5pm.
If the motor is working but the fan blades are not moving the problem may be the belt.
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.
Attic fan not turning on.
This was observed on numerous days following the installation.
Temp 92 f at 5pm.
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.
Even with the highest quality attic fans you re likely to run into one of these common attic fan problems at some point or another.
Ridge vent must me installed per the manufactures instructions.
You may need to replace a circuit breaker an electrical outlet or one of the wire connections.
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.
Here we ll make a note of some that are specific to electric attic fans and which ones can be avoided by opting for a solar powered attic fan instead.
More than 50 of the attic fans i see do not work and have current still live to the motor.
However the utility of attic ventilation fans is actually quite a controversial topic.
Do not use mechanical means electric attic fans.
The attic is usually built with vents that are designed for ventilation purposes.
Best ventilation is open soffit venting to a open vented ridge vent.
However they are not an effective ventilation mechanism and it can get really hot in the attic during summer.
Fan motor runs but not the blades.
This heat can build up the attic temperature to high levels and heat can then percolate to lower levels.