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Central air coil is frozen over - Air Conditioners

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Ok lets start by checking the filter inside the furnance. Also while your there make sure the indoor fan is running. If the filter does not fix your problem you could have a leak and be low on refrigerant.

Posted on Jul 01, 2008

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Bryant central a/c working great, then suddenly inside fan not working, but outside unit on and pipe frozen.


sounds like inside coil froze due to low air flow. bad fan motor, fan relay,dirty coil or filter.

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Hello my name is Heath it will be my pleasure to assist you. The first thing to check is the filter in the furnace or air handler. Also check the inside coil to be sure its not frozen up. Does the air coming out feel cold? It sounds like the unit could be low on charge which means it has a leak and should be leak checked repaired and properly charged. You would need refrigeration gauges to put on the system in order to properly check the refrigerant charge in the system. One other thing could be a dirty condenser coil. Turn the power off to the unit and use a garden hose with a strong nozzle and spray water through the whole coil to try and blow any dirt or debris through the condenser coil in the outside unit.

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My A/C blowing air, but it is not cool. It has started freezing up. We just replaced the air filters and since then it is freezing up. We even gently cleaned the a/c coils before replacing the filters. ...


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You should turn the A/C off and leave it off for a day. Then just turn the indoor unit fan on by selecting the fan "on" setting on your thermostat. If you feel air coming out of the vents, then the evaporator coil was probably frozen.

If you are not an HVAC tech, it's time to call for professional help.

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1 Answer

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Sounds like you have either a low refrigerant situation or an airflow problem. The lack of cold air is most likely due to a frozen up evaporator coil. You should check your filters and call your service man.

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