DIY window air conditioner repair
A window air conditioner cools the room it's in, so you get relief from the heat without using energy to cool the whole house. If your window AC unit isn't cooling well, don't sweat it. Sears PartsDirect has common symptoms and troubleshooting solutions for any make or model, as well as window air conditioner repair guides that walk you through repairs step by step.
If your window unit flashes an error code on the display, look it up on our error code charts to see what the problem is and how you can fix it. Find answers to common questions, simple tips for maintaining your window air conditioner and more in our articles and videos. To find the owner’s manual or a complete list of replacement parts for your window air conditioner, search for your model number.
These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.
Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace it.
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.
If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourself following these instructions.
The electronic control board is the brain of your window air conditioner. Here’s how to replace it.
Use the advice and tips in these articles and videos to get the most out of your window air conditioner.
Try these easy fixes if your central AC won't start.
6 ways to extend the life of your HVAC system.
5 things to do to your central AC before it gets hot.
Learn how to decipher symbols so you can buy the right part for your problem.
Find out what’s wrong with your appliance by following a circuit.
Learn some of the most common symbols found in a wiring diagram and what they mean.
Learn how to repair broken, frayed or damaged wires in your appliances.
These simple maintenance tips help your window air conditioner keep its cool.
If your central air conditioner isn't cooling as it should, we'll show you how to check for a tripped float switch and clogs in the drain pipe.
Learn how to use a multimeter to check for wiring problems in an appliance that's not working
Let's clear up some misconceptions about room air conditioners.
Learn how to remove and prevent odors in a window air conditioner.
Learn why water leaks from a room air conditioners and how to fix it.
Grab your calculator and punch in these numbers to figure out how many BTUs your room AC needs to keep you cool.
Window air conditioner installation tips.