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  1. #14
    Join Date
    Feb 2004
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    What did Manual J call for after renovations?

  2. #15
    Join Date
    Jul 2008
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    The original installer was also the one who done the upgrade. He thought the unit was sized enough with the additional 480sq. ft. addon. I'm not sure if I want to go to the expense of putting in a new system when we may not even be living here in the next 2 or 3 years. I heard that a new regulation was going into effect in 2009 and was told it would be better to wait until then if I decided to replace it. Not sure what the new regulation was though.

  3. #16
    Join Date
    Jan 2004
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    They probably ment 2010, for No new units being made using Virgin R22.

    You can get a new unit today using teh R410A refrigerant, you don't have to wait.
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    How many times must one fix something before it is fixed?

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