Key Highlights
- Clean filters and check vents for better cooling
- Fix power, noise, or water leak issues with basic checks
- Regular maintenance helps prevent most AC problems
When summer heat kicks in, your air conditioner becomes your best friend. But what if it suddenly stops working or does not cool properly? Don’t worry. Many common AC issues can be solved at home without calling a technician. Here are some easy fixes you can try yourself before reaching for your phone.
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AC Not Cooling Properly

One of the most common problems is when your AC runs but does not cool the room effectively. A simple cleaning and adjustment might fix the issue.
What to check:
- Dirty filters: Dusty filters block airflow. Remove and clean or replace them.
- Thermostat settings: Make sure it’s set to the right temperature and mode.
- Blocked vents: Ensure nothing is blocking the air vents in the room.
AC Making Unusual Noises

If your AC suddenly starts making weird noises like buzzing, rattling, or humming, it may need attention.
What to check:
- Loose parts: Sometimes, screws or panels may become loose. Tighten them carefully.
- Debris in outdoor unit: Clean out leaves or small objects stuck in the outdoor unit.
- If the sound continues, it’s best to switch off the AC and seek professional help.
Water Leakage From The Indoor Unit

Seeing water dripping from your indoor unit? That’s a sign of a clogged drainpipe or dirty filters. Keeping these clean ensures smooth drainage.
What to do:
- Clean the drain pipe: Use a thin brush or vacuum to clear any blockage.
- Check filters: Wash or replace them if they are dirty.
AC Not Turning On

If your AC doesn’t start at all, don’t panic yet. Make sure everything is properly connected and powered.
What to check:
- Power supply: Check the plug, switch, and circuit breaker.
- Remote control batteries: Sometimes, it’s just a weak battery.
Foul Smell From AC

A bad smell from the AC is usually due to mold or bacteria buildup.
Quick fix:
- Clean filters and vents regularly.
- Use a mild disinfectant spray or AC cleaner.
- This will keep the air fresh and healthy.
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Final Tip
Routine maintenance like cleaning filters, checking vents, and ensuring proper airflow can prevent many AC problems. Try these simple fixes first before calling a technician, you might save time and money.
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