Is Your AC Making Noise? Common Sounds & What They Mean

Your air conditioner should operate relatively quietly, providing cool comfort without disturbing your peace. When your AC starts making noise, it's often an early warning sign that something isn't right. Ignoring these sounds can lead to more significant damage and costly repairs down the line.

The experts at Reliable Air Conditioning and Heating help Lakewood Ranch homeowners decode these common AC sounds:

• Banging or Clanking: Often heard when the system starts or stops, this could indicate a loose part, like a connecting rod, piston pin, or crankshaft in the compressor. It might also signal an issue with the blower assembly. This requires immediate attention.
• Clicking: Normal clicking occurs during startup and shutdown. However, constant or rapid clicking could point to a failing thermostat or electrical control issues.
• Buzzing: A buzzing sound, especially from the outdoor unit, often indicates electrical problems. This could be loose wiring, a failing contactor relay switch, or issues with the capacitor or compressor motor. Electrical issues should always be addressed by a professional.
• Hissing or Whistling: This sound can indicate a refrigerant leak, which is a serious problem affecting cooling performance and requiring professional repair. It could also mean leaking ductwork, which wastes energy.
• Screeching or Squealing: High-pitched squealing often points to problems with fan motors (indoor blower or outdoor condenser fan) or belt issues in older systems. The motor bearings may be failing.
• Rattling: Minor rattling might be loose screws or panels that need tightening. More significant rattling could come from debris in the outdoor unit or failing motor components.

Don't Ignore Noisy AC Units:

While some minor sounds are normal, persistent or loud noises are your AC's way of signaling trouble. At Reliable Air Conditioning and Heating, our technicians possess the expertise to accurately diagnose the cause of any air conditioner noise. We operate with integrity, providing clear explanations and effective solutions. Serving Lakewood Ranch, Sarasota, Bradenton, and the Keys, we deliver uncompromised quality repairs.

If your AC is making noise, don't wait for a breakdown. Contact Reliable Air Conditioning and Heating for a professional inspection and peace of mind.