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 a Window Air Conditioner Electronic Control Board

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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 Window Air Conditioner Condenser Fan

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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 a Window Air Conditioner Ambient Thermistor

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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 Window Air Conditioner User Interface Control Board

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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.