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    ilopez80's Avatar
    ilopez80 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 26, 2009, 07:44 AM
    Installing different size units
    Can I install a 4 ton condesor unit with a 3 ton evaporator (furnace) unit?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 26, 2009, 08:57 AM
    NO You cannot use a 3 ton evaporator with a 4 ton unit if you want it to work as a 4 ton unit.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #3

    Jun 26, 2009, 12:41 PM

    How old are these units? If the A coil is a 13 seer and the outdoor unit is a 10 seer it could work but I would not recommend it.
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