HVAC Tips

Why is my home air conditioner making a loud noise?

May 23, 2025
3 min read
Why is my home air conditioner making a loud noise?

Why Is My Central Home Air Conditioner Making a Loud Noise?

A noisy home air conditioner can be annoying and a sign of serious issues. If you hear strange sounds, don’t ignore them—your central AC unit could be heading toward a breakdown.

Common AC Noises & What They Mean

1. Banging or Clanking

🔊 Possible Causes:

  • Loose or broken compressor parts
  • Failing motor or fan blades

Solution: Call HVAC Ontario at 1-888-705-7368 to prevent further damage.

2. Hissing or Whistling

🔊 Possible Causes:

  • Refrigerant leak
  • Duct leaks causing air pressure issues

Solution: Schedule a professional AC repair to fix leaks and ensure safe operation.

3. Clicking or Buzzing

🔊 Possible Causes:

  • Electrical issues
  • Failing capacitor or contactor

Solution: Call an HVAC Ontario expert to diagnose and repair the issue before it worsens.

4. Screeching or Squealing

🔊 Possible Causes:

  • Worn-out fan motor belt
  • Failing bearings in the motor

Solution: If you hear screeching, your home air conditioner may be at risk of failure. Call HVAC Ontario at 1-888-705-7368 for a fast fix.

📞 Don’t ignore AC noises! Call HVAC Ontario today for expert repairs.


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