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

    Apr 28, 2007, 06:47 AM
    Ductless Air Conditioning
    Hello,

    We have a town house.
    Two floors each approximately 500 square feet consisting of:

    1- Living/Dining Combo, Small Kitchen & Half Bath
    2- Two Bedrooms, Full Bath, Stairwell Landing

    We want to replace an old single zone Ductless Air Conditioning System, with a dual or tri zone. We have excellent access floor to floor. Our questions are:

    1-What capacity would we need?
    2-Are there installation requirements?
    3-Can we or our electrician set most of the system up, leaving the coolant part to another contractor?
    3-Are there brand recommendations?

    Thank you.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Apr 28, 2007, 04:39 PM
    With two floors of 500 sq ft each and good guestament is a 12,000 but unit for each floor. Rule of thumb is 600 sq ft per ton.

    For a real accurate calculation you will have to do a manual J or have someone local do it for you.

    This way you control each floor separately.

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