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why would there be supply but no return?

343 Views 6 Replies 5 Participants Last post by  user_12345a
https://i.imgur.com/YtOqr14.jpg
https://i.imgur.com/JDrflre.jpg


i dont understand, why is there a supply in my basement but not return?
do i cut one out?
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Yes, you should install a return air. It's best located down low, never on a basement ceiling.
Are there any natural draft appliances in the basement?
what does that mean "natural draft appliances"?
Fuel burning appliances that naturally draft up a chimney.
natural draft = no inducer, draft hood/diverter instead...

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