Height from ground for Fresh Air Intake

1834 Views 5 Replies 2 Participants Last post by beenthere, Feb 27, 2013

dvaupel

Discussion Starter · Feb 22, 2013

I need to install a fresh air intake to the basement, and wondering what sort of clearance I should have from the ground. I've got a bit over 2 feet between ground level and the subfloor. I'm in Minnesota, so I ask because of the potential for snow to block the intake.

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beenthere

· #2 · Feb 22, 2013

12" above normal snow fall accumulation level.

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beenthere

· #4 · Feb 23, 2013

Goose neck it.

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beenthere

· #6 · Feb 27, 2013

By code, 68 sq inches of cross section. 9" round. Many contactors just run a single 6".

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