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Old 11-22-2008, 10:37 AM
Gunnar Alquist's Avatar
Gunnar Alquist Gunnar Alquist is offline
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Join Date: Mar 2007
Location: Santa Rosa, CA
Posts: 1,201
Re: Mid efficiency furnace combustion air
Quote:
Originally Posted by Matt Fellman View Post
Any comments on the crawl space vents being blocked during the cold months....
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Originally Posted by Jerry Peck View Post
The comment would be the same as my first thoughts: It's dumb to obtain combustion air from a crawlspace...
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Originally Posted by Ted Menelly View Post
Crawl spaces are vented for a reason.
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Originally Posted by Eric Barker View Post
Ted, There is quite a bit of info that supports the incorporation of the crawl space into the conditioned area and I strongly support that.
Interesting selection of opinions. It is pretty clear to me that regional weather differences can influence many construction practices. For instance, we have relatively mild weather and there is no snow to block foundation vent openings. Foundation crawlspace vents are (almost) never intentionally blocked. I have never heard any homeowner suggest or query intentional closing of a vent opening. In this area, adequate ventilation is necessary and required. Then again, I never look for ice shields or hurricane clips either. This is a great forum. But for the diversity, I would blindly continue thinking that everyone inspects the way I do.
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