Quote:
Originally Posted by john70t
Bingo! That last piece of the missing puzzle.
The ridge vent vents the air inside the attic space.
-Heat travels to the ridge.
-Outside winds help pull air out.
It cools the underside of the roof (rafters/sheeting/shingles) with airflow.
But it doesn't work without an incoming source of air, lower down, where it is cooler.
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It works, just not as effective. Hot air rises and if there's an exit, it will go out through there as long as there another source or opening it will work. Its too slow for me and by the time it makes any difference, the whole damn house it hotter then heck. I like moving air mechanically, it just a bigger helper doing the work