Question about Whirlwind FH-778 Air Conditioner

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Why does my air conditioner in my car blow out hot air? one minute, it'll cool just fine and the next minute, it blows out hot air.

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  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jun 02, 2010

    We need year,make,and model please,thank you.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jun 02, 2010

    Need to know what year,make,and model,so we can help,thank you

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  • 391 Answers

Assuming you are not low on freon:
I have seen this symptom caused by too much moisture in the system too, it freezes near the metering device which kills the refrigeration effect which makes it warm up, the ice melts and it starts working until moisture builds up and freezes which kills the refrigeration effect again.

Posted on Jun 03, 2010

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1 Answer

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