If a window type air con freezes and it doesn't give out cold air anymore, what can be done?

Basic problem is the regulation control in the conditioner that moderates air flow and compression has probably failed. The alternative is the air flow is somehow being blocked.

If the latter, check filters and access to the unit.

If the former, your will need to replace the regulator control. It is time to call in and get an estimate for that. Not being an air conditioner specialist but knowing there is a wide range of equipment, both in size, age, and quality, you must call one in. The alternative is to replace the entire unit.

Cost of repair and replace varies, but you will pay $200 to $700 which ever route you take.

One Reply to “If a window type air con freezes and it doesn't give out cold air anymore, what can be done?”

  1. This most commonly occurs when some/most refrigerant has leaked out, and the compressor makes ever colder cold-side temperature with ever less efficiency. The evaporator is so cold water freezes, rather than just condensing liquid from vapor. Then the ice blocks the evaporator fins.

    Either have a technician add refrigerant, or replace the unit.

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