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  1. #1

    New house heat pump capacity

    Can the AC portion of the heat pump be upgraded? Concerned that a 3 ton is not enough AC to take care of 2000+sf with all bedrooms upstairs. When we toured house yesterday in 90 degree weather, the only thermostat in the house (downstairs) was set at 78 - the upstairs was at least 10 degrees warmer. This is new construction, and we're concerned about cooling the bedrooms in the heat of a SC summer.

  2. #2
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,060
    Quote Originally Posted by RicknRob View Post
    Can the AC portion of the heat pump be upgraded? Concerned that a 3 ton is not enough AC to take care of 2000+sf with all bedrooms upstairs. When we toured house yesterday in 90 degree weather, the only thermostat in the house (downstairs) was set at 78 - the upstairs was at least 10 degrees warmer. This is new construction, and we're concerned about cooling the bedrooms in the heat of a SC summer.
    A common problem with both older homes and new construction. Have a separate system installed upstairs.

    Ask the builder to see the Manual J and D load calculation on the house to determine if it is sized correctly. Chances are one or both are not correct

  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,047
    I'll give second opinion a second opinion.

    What he said!

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