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    Warning Signs

    AC Making Strange Noises?

    Different sounds indicate different problems. Here's what your AC might be telling you.

    Get Same-Day Diagnosis

    Sound Types & What They Mean

    Banging or Clanking

    UrgentCall Pro

    Loose or broken parts inside compressor or blower.

    Action: Turn off AC immediately. Loose parts can cause major damage. Call for service.

    Squealing or Screeching

    ModerateCall Pro

    Belt slipping, motor bearing issues, or fan problems.

    Action: Professional inspection of blower motor and fan assembly.

    Grinding

    UrgentCall Pro

    Motor bearings failing or compressor issues.

    Action: Turn off AC to prevent further damage. Schedule immediate service.

    Buzzing

    ModerateCall Pro

    Electrical issues, loose parts, or debris in outdoor unit.

    Action: Check for visible debris. If none, call for electrical inspection.

    Hissing

    UrgentCall Pro

    Refrigerant leak or high internal pressure.

    Action: Turn off AC immediately. Hissing indicates refrigerant leak. Call for service.

    Clicking

    LowCall Pro

    Normal at startup, but continuous clicking indicates relay or thermostat issues.

    Action: If clicking is continuous, professional diagnosis of controls needed.

    When to Call a Professional

    • Any banging or grinding sounds—indicates component failure
    • Hissing sounds—possible refrigerant leak
    • Noise accompanied by burning smell
    • Sounds getting progressively louder
    • Noise combined with poor cooling

    Diagnostic Visit — $199

    A licensed technician inspects your system, identifies the issue, and applies the $199 fee toward any approved repair.

    Licensed TechniciansSame-Day AvailableCredit Toward Repairs

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