Quote:
Originally Posted by jyl
I’d still have the problem of no returns in the bedrooms, though?
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You would be putting the AC where you need it, and at least pulling return air from the same level. 3500 sf 4 levels is too much for 1 air handler 1 zone. Even with ducts and zone controllers it would be pulling the cooler air from the lower levels first. I suspect with the older conversion it is also undersized.