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Thread: Old AC Units

  1. #1
    Join Date
    Aug 2005
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    My home has split AC. One is American Standard Mod # ATNO 36C100B0 - manu. 12/92. The other is a Rheem Mod # RAFD-031 JAS - manu. 12/89. I live in S. Florida. Can someone tell me the SEER value of these units, and your opinion as to replacing them with 12 SEER rated units. My elec bills run $300-$400 in the summer months.

  2. #2
    Join Date
    May 2000
    Indianapolis, IN, USA
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    ATN is 11 SEER with matching coil, RAFD is 9 SEER with matching coil. Going 12+ SEER with TXV indoor coil makes sense down there. Variable speed blower with some kind of humidity control a plus too.

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