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Dave, have your HVAC contractor re-calc the duct work. Spit the upper floor and the lower, ask them to see if automatic dampers are needed. A good HVAC designer will be able to answer those questions for you. Problem with a lot of those guys is that they sometime bid the job so cheap by using the existing duct so they get the job but the engineering fall short. The other problem is the house is finished, and that makes it harder for them because most guys dislike hacking up a finished homes. How many returns do you have for each unit? Ask about dual air returns for each system. Sometimes, just an additional return in the far end of the home will make a huge difference in terms of air flow through those "dead" areas. The runs maybe a bit long and too "skinny" a duct. Nice home BTW. Where the heck of Padua? Izdat north of the college?
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