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Why does your air conditioner freeze up?

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Wiki User
2011-07-03 01:19:14
2011-07-03 01:19:14

There are a couple of things that cause your AC to freeze up.

If your indoor coil is icing up you:

1. Have a dirty filter

2. Have a system low on refrigerant

3. You have a blower that is not providing enough air across the coil

4. You have set the thermostat too low (below 70 degrees Fahrenheit, setting the AC lower does NOT cool the room down faster)

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