Ridge vents are an ideal solution to ventilation in an ideal attic.
Ridge vent solar attic fan.
As warm air rises in your attic fresh air is drawn in through soffit vents.
What makes ridge vents so effective is how they run the length of your roof.
Also since the fan is powered by the sun it should turn off when the sky is overcast during a storm which will keep it from drawing rain into the attic.
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However the utility of attic ventilation fans is actually quite a.
Active ventilation 740 cfm black aluminum solar powered attic fan model asf 12 c2 bl 209 45 209 45.
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Ridge vent vs solar attic fan.
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Which is better for your roof.
That depends on your roof.
Since your solar vent fan only moves 500 cfm a third to half that of a typical hardwired attic vent fan it probably won t move enough air to reverse the action of the ridge vent.
Hvi recommends a ratio of 60 to 40 for soffit ventilation to gable or ridge ventilation.
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 downside of attic ventilation fans.
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See the benefits of attic ventilation a new roof is more than just shingles.
Cool attic 433 cfm mill galvanized steel solar powered attic fan with adjustable solar panels model cxsolrfmilups 438 43 438 43.