Thread: Ventilation
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Old 2019-06-03, 10:23am
echeveria's Avatar
echeveria echeveria is offline
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Join Date: Aug 31, 2006
Location: Knoxville, TN
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I think you would need to be working on an industrial scale for that to be an issue. Plus, that's where they came from in the first place - outside. Ventilation also provides fresh air, otherwise you would have too much CO. Part of any ventilation system should include makeup air coming from a direction other than the one to which you are venting.
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