Doug Krahl's Discussions (2)

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"Air seal duct system if excisable will boost cfm/btu's. Caution with booster fans th…"

Doug Krahl replied Apr 21, 2011 to Bonus room above garage

2 Apr 21, 2011
Reply by Doug Krahl

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BPI is Hiring!

Started by Quinn Korzeniecki. Last reply by Diane Chojnowski Jun 29. 1 Reply

Earn 2 BPI CEUs by Blogging for BPI

Started by Quinn Korzeniecki Jun 19. 0 Replies

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Eric Kjelshus replied to Kim Tanner's discussion Origin of guarded blower door testing
"That same house that meet highest sealing rate in early 1980 we went back and super sealed it and…"
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