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  1. #1
    Join Date
    Jul 2004
    Posts
    73
    My son is purchasing a house in Atlanta. The upstairs is finished but is only served by a single register from the downstairs furnace(gas) and air conditioner, as well as a window air conditioner. The approximate square footage is about 250 square feet including a small bathroom. The plan is to enlarge this are in a few years to a master suite approximating 350 square feet. We are considering adding a new unit upstairs in an area that would not be included in the renovation. Would it be best to wait a few years until the renovation, have prelimanary plans drawn now for correct sizing or estimate total square feet now. Would a heat pump be appropriate for this area? Atlanta has relatively mild winters and hot, humid summers. Thanks for your help.

  2. #2
    i would install a 2 zone zoning kit to the system you have now. installation cost would be a lot lower, utilities would be lower than for 2 systems, service and maintenance will stay to one system. this is the best reason for zoning systems.

  3. #3
    Join Date
    Jul 2004
    Posts
    73
    Thanks. Does this assume the downstairs unit has the additional capacity?

  4. #4
    Join Date
    Jan 2006
    Posts
    214
    a load calculation would have to be done first assuming the existing furnace is sized properly for a zoning kit might not be a good idea.the additional space must be calculated.if this master suite is all open you might look into a ductless minisplit heat pump.jmo thanks

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