Squealing HVAC Noise
medium priorityHigh-pitched squealing or screeching from HVAC system
Understanding This Problem
Squealing usually indicates belt or bearing issues in the blower motor. While not an emergency, prompt attention prevents motor failure.
Common Causes
Worn or slipping blower belt
Failing blower motor bearings
Motor shaft issues
Fan blade contact
Worn pulleys
What You Can Do
Identify if noise comes from indoor or outdoor unit
Belt replacement if applicable
Motor bearing lubrication or replacement
Professional blower service
Prevention Tips
- Annual belt inspection (older systems)
- Listen for early signs of bearing wear
- Lubrication during maintenance visits
Medium Priority
Schedule service soon to prevent the problem from worsening.
Schedule ServiceCall (650) 555-HVAC24/7 Emergency Service Available
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