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My central air conditioning system does not seem to be sending out cold air

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  • francis rivero May 11, 2010

    please be specific. if the unit is not cooling, it could be from a number of different source, is the compressor running?, is the fan outside running? please clarify....thanxs.

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This could be 2 issues. 1 being a simple issue and the other requiring service.

First issue:

Make sure you have the thermostat on cool and not Fan.


Secondnd issue:

If the thermostat was on cool and not fan, It sounds like the freeon level is low in your system. This will cause the air to not be cold. You will need to contact your local heating and air conditioning shop and have them take a look at this. You may be low on freeon because of a leak in your system also. It is recommended you get your system checked and tuned up every year. The cost of this is usually between $50 and $90. It is a good idea because they can catch problems early on before they become larger problems. It also will also keep your central air system running efficiently and use less power compared to a system that has not been maintained. Keep me posted and if you found this helpful please rate accordingly.

Thanks - Tech101

Posted on Jun 27, 2008

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  • 674 Answers

SOURCE: central air conditioning blowing out hot, not

Can you tell if your outside unit is running (the fan and compressor)? Sometimes it is hard to hear the compressor for the fan. If they are running then you possibly have a low refrigerant charge and need to have some added. Refrigerant pressures and temps can be checked to verify this. If they are not running then you need to find out why. If both the fan and compressor are not running then first make sure all the breakers and disconnects are closed. Then a bad contactor or capacitor could be the problem. If its just the compressor that's not running then it could still be the capacitor or maybe the compressor.

Posted on Apr 29, 2010

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amn_howac.jpg


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