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  1. H

    25 yr. old unit not cooling

    With outside unit clean and ner filter, our system doesn't cool, but does run. I'm thinking its R-12. What are my options? Anybody have experience with alcohol coolant?
  2. H

    Central air not cooling. Options?

    After 25 yrs, our AC doesn't cool right. I've cleaned the outside unit, changed the air filter, etc. I imagine it is R-12 coolant. If its needing recharged, what are my options, and how much can I do to facilitate repairs and save money? Can more modern coolant be used? What about alcohol-type...
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