Can anyone tell me what causes the coils in the interior unit of a central air conditioning system to freeze up? They are covered in ice and a puddle of about 2 inches of water is at the base of the unit. Any ideas? Thanks!
Others gave good answers. It can also ice up if the outside temperature is too low. Some people here in the NE are already calling with the problem. Nights here are in the 40's. Misdirected air can also cause it. I've seen people try to run these behind draperies and curtains.
ill second the opinion that the air filter is totally clogged or the coil isclogged. the blower fan gets pretty packed also causing lower air flow .you gotta move alot of air over the coil to keep it from freezing. lucas
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