It helps to cool your home temperatures and the attic by approximately 30 degrees.
Why use attic fans.
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.
Although not the ideal place to store your old antiques and children s baby clothes sometimes it s all we have.
Rather than bringing in fresh air from the inside of the home like a whole house fan for instance a gable attic fan is a specific type of fan designed to remove the hot stale air from the attic of a home.
For many of us storage space is a big issue.
Attic fans are easy to use as long as they re installed properly and there s easy access to the operating switch or dial.
And use a set of the shutters like used with whole house fans.
But asking if i could use a roof mounted attic power vent fan.
Best ventilation is open soffit venting to a open vented ridge vent.
More than 50 of the attic fans i see do not work and have current still live to the motor.
Why you need an attic fan.
You will feel the benefit of this fan mostly on your cooling bill.
A whole house fan is typically installed in the ceiling to your attic not in your roof.
Good insulation reduces fan effectiveness.
One of the leading causes for fires.
If you ve journeyed.
Why use a gable fan.
I can get a roof mounted power attic vent fan that is 1400 1600 cfm.
Thankfully most homes have an attic which loans itself to storage for homeowners.
And get the same effect as a whfan like my fathers house.
The whole house fan is installed inside the attic between the living space and ceiling.
You use it as an exhaust fan in conjunction with opening the windows of your home to pull a breeze through your entire home.
However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.
I was not asking about whole house fans.
An attic fan requires minimal maintenance which is a good thing since.
The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.
Ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air.
The downside of attic ventilation fans.
However the utility of attic ventilation fans is actually quite a controversial topic.
Do not use mechanical means electric attic fans.
Buy the way my attic area is about 750 800 sf.
A whole house fan is different than an attic fan.