Fix your AC.
Stay cool all year.
Step-by-step troubleshooting, error code fixes and buying advice for home and car air conditioners, so you can solve it yourself or know exactly when to call a pro.
Cool mode · Auto fan
Where should we start?
Pick a category and dive into guides written to get your cooling back fast.
Latest guides
New fixes, explainers and how-tos for every kind of air conditioner.
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How Often Should You Change Your AC Filter? MERV Ratings Explained
How often to change your AC filter depends on filter thickness, pets, allergies and usage. Here is a simple schedule…
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How to Winterize Your Air Conditioner: A Simple Fall Checklist
Learn how to winterize your central or window air conditioner the right way: power off, clean, protect the coils and…
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Can I Take An Air Conditioner On A Plane? Essential Guidelines
You can take an air conditioner on a plane, but specific guidelines must be followed. Check with your airline for…
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How Do I Get Rid Of An E1 Error Code: Quick Fixes and Tips
To get rid of an E1 error code, reset the device or consult the user manual. Ensure all connections are…
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Why Is My AC Taking So Long To Cool?: Quick Fixes & Tips
A slow-cooling AC often results from dirty filters or low refrigerant levels. These issues impede airflow and cooling efficiency. Your…
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Do I Need To Drain My LG Portable Air Conditioner? Expert Tips
You might need to drain your LG portable air conditioner if it’s not self-evaporating. Check the manual for specifics. LG…
What’s wrong with your AC?
Jump straight to the symptom and we’ll show you the most likely causes and fixes.
Troubleshooting
See all-
Why Is My AC Taking So Long To Cool?: Quick Fixes & Tips
A slow-cooling AC often results from dirty filters or low refrigerant levels. These issues impede airflow and cooling efficiency. Your…
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How Do I Get Rid Of An E1 Error Code: Quick Fixes and Tips
To get rid of an E1 error code, reset the device or consult the user manual. Ensure all connections are…
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Why Is My Air Conditioner Running But Not Blowing: Top Fixes
Your air conditioner might be running but not blowing due to a clogged air filter or a broken fan motor.…
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Why Does My Air Conditioning Smell Like Rotten Eggs?: Causes & Fixes
Your air conditioning might smell like rotten eggs due to a gas leak or mold buildup. Both issues require immediate…
Car AC
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Why Is My Air Conditioner Light Blinking In My Car? Troubleshoot Now
Your air conditioner light in your car might be blinking due to a system fault or low refrigerant levels. This…
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Why Is My RV AC Not Blowing Cold Air? Troubleshooting Tips
Your RV AC might not be blowing cold air due to a dirty filter or low refrigerant levels. These are…
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Why Does My Chevy Impala Say Engine Hot AC Off? Troubleshooting Guide
Your Chevy Impala says “Engine Hot AC Off” because the engine is overheating. This triggers the AC to shut off.…
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How To Reset Air Conditioner In 2013 Ford Edge: Step-by-Step Guide
To reset the air conditioner in a 2013 Ford Edge, turn off the car and disconnect the battery. Reconnect after…
Your seasonal AC maintenance checklist
Most breakdowns start with small, easy-to-fix issues. A few minutes of upkeep each season keeps your system efficient, quiet and running for years.
- Lower energy bills
- Fewer surprise breakdowns
- Cleaner, healthier air
- Clean or replace the air filterEvery 1–3 months during heavy use.
- Clear around the outdoor unitKeep 2 feet free of leaves, grass and debris.
- Flush the condensate drain linePrevents clogs, leaks and musty smells.
- Check thermostat settings & batteriesA dead battery can look like a dead AC.
- Book a pro tune-up before summerRefrigerant, electrical and coil checks.
Still stuck with a stubborn AC?
Tell us what’s happening with your unit and we’ll point you to the right fix, or write a new guide for it.