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Common causes of freezing air conditioners are improper air flow, refrigeration issues and low outdoor temperatures. Ice can form on top of and inside of the air conditioner, which will keep it from operating properly. More »

www.reference.com Home & Garden Heating & Cooling

To fix an air conditioner that continually freezes or ices up, check things like the air filter, refrigerant level, blower motor, evaporator coil and ductwork. If the cause is not immediately clear, the homeowner should ... More »

Several air conditioner problems can cause it to ice up, including insufficient air flow, refrigeration problems and outdoor temperatures. Failure to resolve the ice buildup can permanently damage the unit. More »

www.reference.com Home & Garden Heating & Cooling
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Poor installation, excess dust or debris and broken or loose parts are some causes of rattling in air conditioners. Unbalanced blades, bad bearings, rusted motor or a faulty attic fan can be further causes for rattling. More »

www.reference.com Home & Garden Heating & Cooling

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