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    jinglehimer7's Avatar
    jinglehimer7 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 21, 2008, 10:06 AM
    duct work
    I'm installing a 2 ton goodman heat pump the house is 1000 sq feet,the duct work is flexible, 25 ft. long by 10 in. the R Value is 6. Is there anything wrong with the duct work I'm using.( to big, to small, wrong R Value, or does it matter.) North Carolina. Thanks
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 21, 2008, 12:33 PM
    Do a manual J for equipment size. Then do a manual D for correct duct size and placement.
    MarkwithaK's Avatar
    MarkwithaK Posts: 955, Reputation: 107
    Senior Member
    		  
    #3

    Dec 21, 2008, 12:56 PM

    Are you doing the install yourself?
    Are you a licensed, qualified technician?
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