Air Leakage Basics

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To properly utilize the diagnostic capabilities of your blower door, it is important to understand the basic dynamics of air leakage in buildings. For air leakage to occur, there must be both a hole or…

Duct Leakage Basics

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Studies indicate that duct leakage can account for as much as 25% of total house energy loss, and in many cases has a greater impact on energy use than air infiltration through the building shell….