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Joined: Jan 2005
Posts: 17,420 Likes: 206
Old Mossy Horns
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Old Mossy Horns
Joined: Jan 2005
Posts: 17,420 Likes: 206 |
In a sealed environment, the unit needs makeup air for combustion and exhaust. Usually that is done with high and low vent pipes from the attic in modern new construction. I see no reason it cannot also be done with the crawlspace but that solution negates the benefits of the encapsulation. They obviously should have changed to a high efficiency furnace with air intakes and exhaust to and from the crawlspace.
Were they having carbon monoxide issue? I'm early on this, so not sure what issues transpired. Just know it is outside of what I normally do...do very little MEP so need some clarification and pointing in right direction. Elderly lady who was sold a bunch of stuff from a local foundation company and now having issues. Not sure if what she was sold was needed or legitimate...sometimes it is and isn't. Haven't been to the house yet. Foundation contractors will always sell you something. Whether you need it or not. Most big electrical and plumbing companies do it too.
Character is not developed in moments of temptation and trial. That is when it is intended to be used.
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