Return Air

dbmetJune 10, 2011

How much Return air is needed for a 5 ton system with the blower set on 2000cfm .. I currently have a 20x30 return air grill and I don't think that is big enough?

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veesubotee

What's behind the grill?

    Bookmark   June 10, 2011 at 10:54AM
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tigerdunes

you should add at least another return of similar size strategically located in your home. one return even if large enough would not provide good airflow for a 5 ton calling for 2000 CFMs.

IMO

    Bookmark   June 10, 2011 at 12:24PM
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dbmet

Maybe I will figure out how to add a flex return duct across the house..Hmm

The duct inside the chaise that goes up in to the attic is 27.5" width and 19.5" depth..

    Bookmark   June 10, 2011 at 5:24PM
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