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.
Attic ventilation fans good idea.
Many homeowners hear about attic fans installed by friends and neighbors and want to know if an attic fan is a good idea or just a waste of money.
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.
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.
The result is a cooler attic space with plenty of air exchange.
I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments.
Good insulation reduces fan effectiveness.
Three years ago i wrote an article titled don t let your attic suck power attic ventilators are a bad idea nearly a hundred thousand page views and 93 comments later it s still generating lots of heat.
And use a set of the shutters like used with whole house fans.
If you re a competent diyer fitting an attic fan is not a complicated job.
It s always a good idea to have a.
Best ventilation is open soffit venting to a open vented ridge vent.
I was not asking about whole house fans.
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.
Buy the way my attic area is about 750 800 sf.
Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.
The downside of attic ventilation fans.
Gable end fans have the advantage that you don t need to get out on the roof to fit them.
Do not use mechanical means electric attic fans.
I can get a roof mounted power attic vent fan that is 1400 1600 cfm.
Ridge vent must me installed per the manufactures instructions.
One of the leading causes for fires.
In short are attic fans good or bad.
They are typically easier to install and won t detract from the appearance of your roof.
And get the same effect as a whfan like my fathers house.
However the utility of attic ventilation fans is actually quite a controversial topic.
More than 50 of the attic fans i see do not work and have current still live to the motor.
And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage.
Solar attic fans don t require electrical connections.
Let s discuss the primary concern homeowners have about attic fan installation.
Can i fit an attic fan myself.