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    joseph flowers's Avatar
    joseph flowers Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 19, 2008, 09:34 AM
    My central heat and air keeps freezing up what do I need to do to stop this it works
    My central heat and air keeps freezing up what should I do to stop it
    twinkiedooter's Avatar
    twinkiedooter Posts: 12,172, Reputation: 1054
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    #2

    Sep 19, 2008, 10:35 AM
    Make sure that the intake air filters are clean. Dirty filters is probably the #1 reason an a/c freezes up in the summer. Also high humidity overnight when it is a tad cooler can also cause this to happen. I had an a/c in South Florida that was a totally outside unit and every spring or fall when the temp outside at night would get lower than 70 degrees and high humidity my a/c would freeze up. Invariably it was a dirty filter.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #3

    Sep 19, 2008, 07:04 PM
    Bad circulation,dirty filter closed off supply vents,, blocked return vents,low on freon,just a few more to mention
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