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Old 08-05-2012, 03:00 PM   #1
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Two Furnaces one return


Hello everyone.
I have gotten a lot of mixed answers and I am turning to you guys to help me make my final decision. I know I need a new Gas Furnace and A/C. I want a high eff one. but that is where it gets hard....do I want one system or two. Currently I have two 75k BTU with 1.5Ton A/C exact same systems. House is only 2,200k sq ft. Based on the tech's I have had over...one system 80k-90k BTU is plenty....so what's the problem???

THEY SHARE ONE MAIN RETURN!!!

Is that ok?
Is it true that I can't or at least don't wan't to have two variable speed furnaces on one return?
Anything is possible....but spliting the return will not be easy? That being said...am I better off paying the money to have the returns split properly...and then have two systems to offer better climate control???

Any advise would be great!!!

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Old 08-05-2012, 04:10 PM   #2
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Two Furnaces one return


Get rid of both your existing furnaces and A/Cs. get 1-2 stage or modulating furnace, and a 2 stage A/C, and zone your house if your worried about uneven temps.

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