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Question DetailsAsked on 5/27/2014

how to vent interior walls to increase air flow for the removal of hot attic air using a solar powered fan

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Use the Answer This Question button right below your question to explain better what you are looking to do - basically speaking, you do not "vent" interior walls. You might vent interior attic spaces if it is divided up with walls, to allow heat to get to the ridge vent or powered vent.

One other thing - solar powered fans sound nice, but are pretty much a waste - unless you have a LOT of solar panels on your roof for the fan, it does not get enough energy to be effective, and unless paired with a battery system it does nothing about removing the residual heat radiating into the attic long after the sun has gone down, and also does a very poor job of ventilating attics to control moisture in winter in all but sunbelt areas. Another of the greenie "saving" ideas that really do not work well enough to be viable, or actually cause more problems than they cure.

If you have any choice in the matter, go with passive ridge vents. More details on attic ventilation in the Home > Insulation and Home > Roofing items under Browse Projets, at lower left.

Answered 5 years ago by LCD

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