Window air conditioner symptoms
When your window air conditioner is running but not cooling, not running at all or leaking water inside the house, you'll need to take action fast. Our symptoms and troubleshooting solutions guide you through the steps to fix any window air conditioner failure. Get the repair parts you need by entering the part number or your air conditioner model number in the search bar. Follow the steps in the window air conditioner repair guides to install replacement parts and get the AC working again.
Symptoms common to all window air conditioners
Choose a symptom to see related window air conditioner repairs.
Repair guides for window air conditioners
These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.
If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourself following these instructions.
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.
The electronic control board is the brain of your window air conditioner. Here’s how to replace it.
Articles and videos for window air conditioners
Use the advice and tips in these articles and videos to get the most out of your window air conditioner.
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Let's clear up some misconceptions about room air conditioners.