Wednesday, 28 October 2020

Duct modifications advice

This is a general question to avoid any rule breakage. We are finishing our basement. In order to minimize soffits, we would like to re-route some ducts to traverse the edges of the room. We would be able to shorten a 12x8 trunk by approximately 6 feet but cause three 6" runs to be lengthened by about 6' each.

I know that there are a lot of calcs that go into designing ductwork for balancing static pressure, etc.

Typically, how much wiggle room is there to allow for modifications before a redesign is needed?

Any suggestions or direction pointing is greatly appreciated.


source https://hvac-talk.com/vbb/showthread.php?2223455-Duct-modifications-advice&goto=newpost

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