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NewOwner32 07-09-2012 11:21 PM

New home - furnace/coil question
We're having a new home built and had a Tempstar VS95 gas furnace installed in the basement for our central air/heat system. However, the coil that was placed on top of it doesn't line up exactly right - we could feel the air escaping from the gap. When we told the installer, he first sealed it up with tape. He has since replaced the tape with caulking. Does this sound right?

scottmcd9999 07-10-2012 05:05 AM

First - what do you mean by "doesn't line up exactly right"? On a brand new system the furnace + coil should have been matched up, and the coil case should almost always be the same width as the furnace. There will sometimes be a slight offset (an inch or two, perhaps), but that should be properly sealed with metal plates, screwed in place and sealed with tape or caulk.

That said, we use silicon to seal between an upflow furnace and a coil, but you could certainly use tape as well.

gregzoll 07-10-2012 07:51 AM

I have a gap around my A-coil and my furnace where it sits, and there is not much air that gets pass it during cooling. Majority of the air will seek the largest opening, which will be in the middle of the a-coil. Personally if you do not like how it is now during the building phase, stop the work and have the HVAC contractor fix it.

It is your money. Do you want to waste it, or tell it what to do for you?

hvactech126 07-10-2012 06:13 PM


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