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I would recommend first contacting a home energy efficiency company first rather than an HVAC company. HVAC guys are usually clueless about systemic problems like these and will usually try to sell you a larger unit without diagnosing the true cause of the issue (which is a pain in the neck and can probably be fixed for much less than the cost of new ...


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If you're not going to do the work yourself, you could contact any local Heating & Air Conditioning company (HVAC). They will be able to find and repair any problems with the system. As for zoning, it's definitely possible. How easily it can be done; and to what degree, completely depends on your house, and how willing you are to potentially open up ...


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Technically I suppose you could remove the insulation around flex. Why would you want to though? I understand that it fits tight through there but in my installation of commercial duct work (on the side) we have just compressed the insulation. It is after all flexible. One thing that insulation around duct work does is prevent condensation on your ducts when ...


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When I get the duct lines from big box they come in sheets that you have to eventually bind into a cylinder. I create my first. Then I only bind the second on the bottom foot or two. Meaning the top is still not shape - so it bows out. This causes the bottom to pinch in slightly. I push it into the first duct, then finish binding it... and so on and so ...



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