Looking for an attic exhaust fan smaller than 14". My attic is cut up into 3 sections of about 700 Sq. ft. ea. I think the standard fan is over kill. Now were I can find something smaller? Thanks.
I have ridge vents and full soffit vents on my roof, front and back. The original ridge vent was perforated metal; the replacement (with re-roofing) was Cobra type. The soffits are perforated metal. All of them are open.
With either vent, I have never been able to demonstrate ANY airflow either into the soffit or out of the ridge. On a summer day, it's hotter than hell up there.
Is the attic air-sealed from the conditioned rooms below? Is the crawl air-sealed at the floor-line of wiring/plumbing holes to counter the stack effect?
Gary
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