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marina_yashmanov

HVAC - replacing existing 2 zone system

8 years ago

Good afternoon , everyone!

I'm in a process of replacing existing 2 zone system ( 2 units outside - 10 years old , 2 units in the attic - 40 years old ). I've a ranch - 2200 sq feet house . I've multiple bids for a job , some of them for 1 - 4 ton system , some of the - copy cats of existing 2 + 2 tons ...) My husband wants so save money and go with 1 big AC unit instead of 2+2 zone one ...none of the proposals have Manual J calculations ... Should I be worried? Should I ask contractors for it ? best regards ...marina

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