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Need to know.........
........how the A/C and furnace work. So all you HVAC guys educate me. If I understand, the return air for the A/C is in the ceiling just under the unit on the roof. But the return air for the furnace is the slotted face of the stairs to the bedroom. That whole area under the stairs and around to the convenience center is the return plenum and the back side of that area is the shroud covering the convenience center in the basement. Is this correct?
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