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Why Homes Need Attic Ventilation

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Provider: Link: http://www.youtube.com/watch?v=3Nfvax0Ul5g
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Description: Source: Used by roofing professionals for in-home presentations this explains how balanced attic ventilation works and why it's necessary for today's more airtight homes.
Tags: airflow, roof, exhaust, intake, attic, vents, class a, energy savings, thermal imaging, roof ventilation, exhaust vents, intake vents, balanced airflow, class a ridge vents, smoke bomb test, heat buildup, moisture buildup, utility bills, shinglevent ii, air vent, balanced system, ridge vent, external baffle, net free area, the edge vent, power fans, solar power fans
Category: Flag video Educational