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  1. #1
    Join Date
    Jan 2011
    Saint Cloud, FL
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    My heat pump stops blowing warm during the winter.

    I have a very old Trane heat pump - split system. The manufacturing date says 1984. Up until the last year it has been extraordinarily reliable. During one of the hottest summers on record in Central Florida it seemed to be struggling. I had a local AC tech come and take a look at it. He said it was fine except it might be a little low on freon. He topped it off and it appeared to work fine. A few weeks later I noticed the unit was running but it wasn't blowing cold air. I shut the whole system down with the thermostat and breakers and retried it about 10 minutes later - no luck. Called the same tech, he came out the next day and the unit restarted and ran perfectly - @#%&. He said he took a small amount of freon out of the system - hmm, sounded suspiciously like he may have overfilled it the time before.

    This winter the unit has worked well again until the last week or so. We've had some very cold weather for Central Florida and it has begun doing the same thing but in the heating cycle. It starts out blowing heated air, but after about 10 minutes it stops heating the air but continues to run. If I shut the whole system down, wait a considerable amount of time and restart, it works for a awhile again. To little-old-ignorant me it sounds like too much or too little freon, or a pressure switch is shutting off the compressor.

    What do you think?

  2. #2
    Join Date
    Jan 2006
    Near Atlanta, GA.
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    Welcome to the forum. This is only the welcome section, you'll need to post your question in the Residential HVAC forum.


  3. #3
    Join Date
    Nov 2010
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    First- Welcome to the site
    Second- 26-27 yr old unit = time to replace
    Third- put refrigerant in, then take refrigerant out...then doing same thing. Sounds like that tech doesn't know what he is doing and you need to call the service manager of that company or call another company.

    Good luck,

    The statement below is my signature and just my overall feeling towards our industry and does not necessarily pertain to you nor this thread.

    There really isn't a legitimate excuse for not doing the job correctly!

  4. #4
    Join Date
    Dec 2002
    Tampa, Florida
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    Hmm Call another a/c company

    Call another a/c company. It appears you didn't read the rules about D.I.Y. (do-it-yourself) / non-professionals - basically NO DIY questions or pricing questions.

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