Q:

How do you fix a frozen air conditioner?

A:

Quick Answer

A frozen air conditioning unit is often caused either by low refrigerant levels or by dirty air filters and addressing both problems will resolve the issue. While it is advised to seek the help of trained professionals when such problems occur, one may also be able to fix the problem with the proper tools.

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Full Answer

The following shows the basic steps that can be taken when fixing a frozen air conditioning unit. The steps shown will require a refrigerant, also called coolant or Freon, and a refrigerant installation kit, vent filter, hair dryer and towels or rags.

  1. Thaw the unit
  2. Disconnect the air conditioning unit from the power source or switch off the power source to the unit on the breaker box. Allow the air conditioning unit to thaw on its own, which can take anywhere from a few hours to a whole day depending on the ambient temperature in the area.

  3. Remove the pooled water
  4. Once the ice have completely thawed out, remove any remaining water that have pooled on the drip pan. Use towels or rags to dry the unit.

  5. Turn on the fan
  6. Power up the air conditioning unit and turn on the fan. This will speed up the thawing process of any ice that is clogging up the condenser coils. Alternatively, use a hair dryer directly on the coils.

  7. Fix
  8. Fix by replacing dirty and clogged vent filter with a new one or by using the coolant installation kit. Turn on the air conditioning unit to check if the any of the fixes solved the problem.

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