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HVAC Determing duct size for A. C

Hydropimp

Active member
Veteran
5 ton water cooled unit

Instructions plenum no smaller than 16in

So when branching out with duct board what size should it be?

Unit will cool a room that is 9.5x15. also the room next to it as well which is a 8x8. Removing closet wall so it will be one big flower room. It has a bathroom to that gets hot with no vents in there. So will have to cool this too.

This one big room will have any where from 6-8k of shine

The room next to it will be for mom cloning and pre veg.

I think ductboard will be the best for noise reduction.
 
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