Furnace Making Strange Noises?
Different sounds indicate different problems. Here's what your furnace might be telling you.
Get Same-Day Diagnosis (516) 259-1191What Different Sounds Mean
Banging or Popping
Delayed ignition causing gas buildup, or ductwork expanding/contracting.
Squealing or Screeching
Belt slipping, motor bearing issues, or blower problems.
Grinding
Motor bearings failing or blower wheel issues.
Rattling
Loose panels, screws, or components.
Humming
Normal operation, but loud humming may indicate motor issues.
Clicking
Normal at startup, but continuous clicking indicates ignition problems.
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.
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