But considering attic ventilation has been required for over 70 years it continues to be one of the most misunderstood concepts in the roofing industry.
Attic fan basics.
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To better understand attic ventilation it is best to start with the basics.
This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan.
Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient.
As the attic space warms up from the irradiation of the sun the ventilation port opens wider to allow the solar fan to move more warm stale air out of the attic area.
To save time use an existing roof or gable vent to install your new attic fan.
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Before running out to buy an attic fan take some time to check the existing attic ventilation on your house.
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As a result many attics are not properly ventilated.
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Solar attic fans do just that.
You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.
Ventilation basics benefits.