this post was submitted on 13 Aug 2023
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Home Improvement

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[โ€“] [email protected] 7 points 1 year ago (1 children)

The new one is a high efficiency unit. So you don't exhaust those through a chimney with duct, because they aren't that hot, and they need an intake.

[โ€“] [email protected] 1 points 1 year ago

Ah okay, that makes sense.