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    Noise Issue

    Furnace Making Strange Noises?

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

    Get Same-Day Diagnosis (516) 259-1191

    What Different Sounds Mean

    Banging or Popping

    UrgentCall Pro

    Delayed ignition causing gas buildup, or ductwork expanding/contracting.

    Action: If loud banging: turn off furnace and call immediately. May indicate dangerous delayed ignition.

    Squealing or Screeching

    Medium PriorityCall Pro

    Belt slipping, motor bearing issues, or blower problems.

    Action: Professional inspection of blower motor and belt (if applicable).

    Grinding

    UrgentCall Pro

    Motor bearings failing or blower wheel issues.

    Action: Turn off furnace to prevent further damage. Call for service.

    Rattling

    Low PriorityDIY Fix

    Loose panels, screws, or components.

    Action: Check and tighten access panels and visible screws.

    Humming

    Low PriorityCall Pro

    Normal operation, but loud humming may indicate motor issues.

    Action: If louder than usual, professional inspection recommended.

    Clicking

    Medium PriorityCall Pro

    Normal at startup, but continuous clicking indicates ignition problems.

    Action: Professional diagnosis of ignition system if clicking is continuous.

    When to Call Immediately

    • Any loud banging—could indicate dangerous delayed ignition
    • Grinding sounds—indicates imminent component failure
    • Noise accompanied by burning smell
    • Sounds getting progressively louder
    • Noise combined with poor heating performance

    Diagnostic Visit — $199

    An EPA-certified technician inspects your system, identifies the issue, and applies the $199 fee toward any approved repair.

    EPA-Certified TechniciansSame-Day AvailableCredit Toward Repairs
    (516) 259-1191

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