Window Air Conditioner Repair Guides

Don't lose your cool over a window air conditioner that's not cooling a room. These step-by-step repair guides show you how to do common repairs. And we have more helpful information, like symptoms and solution and owner's manuals. You can check out questions that PartsDirect customers frequently ask, or get advice from a PartsDirect expert.

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How to Replace an Electronic Control Board in a Window Air Conditioner

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The electronic control board is the brain of your window air conditioner. Here’s how to replace it.

How to Replace a Condenser Fan in a Window Air Conditioner

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If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by following these instructions.

How to Replace an Ambient Thermistor in a Window Air Conditioner

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If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourself following these instructions.

How to Replace a User Interface Control Board in a Window Air Conditioner

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Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace it.