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cre8ive1974

01:07PM | 09/29/05
Member Since: 09/06/05
5 lifetime posts
Bvhvac
I have two questions..

1. can you split a cold air return? Does it have to be one large vent or can it be two small vents.

2. Does the Cold air return have to be directly duct worked to the cold air box? Or can I just tap into an existing inlet that leads to the cold air box?

Thanks in advance?

D

bravey

10:00PM | 10/04/05
Member Since: 06/23/04
162 lifetime posts
1. Yes you can split the return air duct into two or more separate ducts as long as they lead back to the air handler and any unducted portion is not routed through an unconditioned space. The combined areas of the separate return ducts should be equal to, or greater than, the duct you started with.

2. The return air is requires to be connected directly to the return air plenum as long as it has an unobstructed path to the plenum. Most residential return air utilizes the rooms and corridors of the house as pathways back to the plenum.

Regards
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