You have no idea what I know or don't know. Once again, the physics of heat transfer in the attic is dominated by radiative transfer. Attic ventilators will not address that issue. Continued rambling about ceiling penetration sealing doesn't change the physics. Got it?
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Originally Posted by Toymeister
Ah, the difference between us is I know exactly how much radiant barriers save and you do not. Bottom line is radiant barriers will not save enough in your grandchildrens lives to pay for themselves.
I also have toured under construction homes here and have seen the sealing of the ceiling penitrations. Now if I were doing the ceiling it would be better but they certainly are sealed 'well' also the duct connections are sealed.
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