Question about Heating & Cooling

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My AC unit keeps freezing up on the copper lines going into the house from the outside unit. It also freezes up on the inside lines and the air is not cooling my home down.

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  • Ruby162 Jun 09, 2008

    Our air conditoner keeps freezing over.. How do I prevent this...It doesn't completely make sense what you wrote on the "suggestion" section.



    I still think its a good airconditioner but I need some help on preventing it from freezing over.. We mainly use the airconditioner at night..during the day its always off......

    First we wiped off the snow that built in it ( we noticed there was a problem when no air was coming out of the air conditioner) then we notice a layer of ICE in our air conditioner.. so I took the hair blower and melted the ice and cleaned the air filter to it...



    But I definately need a more practical way of preventing this from happening again.. Also could it start a fire from being built up with ice and snow?

  • maryanddavid Dec 07, 2008

    I have the same problem, I had someone come and look at it and they said it was the board, it had to do electronic. and i have asked a proffesional on the raidio ,and he said a whole different thing.I havent paid anyone for this yet , my husband is deployed so hes not here to help me on this matter.what do u think it might be?

    ~mary~

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Operate your air conditioner with the fan in the on position. But first turn the fan on, turn the temp up or shut the cooling off. Your coil is more than likely frozen over. At night when outside temperature drops the refrigerant pressure and temperature in the system also drops. This action can cause icing of the cooling coil, with the fan in automatic everything shuts down at the end of a cooling cycle. Thus no air movement to melt ice on previous cooling cycle.

Posted on May 09, 2008

Ours kept freezing over last summer and we couldn't figure out why. We eventually had some ac people come and look at it and they said the unit was not large enough for our house. We got a larger unit and we haven't had a problem since. You should check what square footage your ac unit is rated for. http://www.dawncohvacoh.com/services

Posted on Sep 19, 2014

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