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Thread: booster fans in 6" metal ducts
07-01-2008, 10:33 PM #27
Can a 3.5 ton furnace and compressor downflow from the attic handle about 2300 sq. ft. of indoor space with 8 ft. ceilings spread over two floors? I was told that the maximum would be 2000 sq. ft., but would appreciate a second opinion.