Why Is My HVAC So Loud? | Sunol, CA Noise Diagnostic Radon Testing

Decoding Strange HVAC Noises – Indoor Air Quality Testing Pros’s Sunol, CA Guide

Unusual sounds from your HVAC system often indicate specific Radon Testing needs:

• Banging: Loose/blown piston in compressor (requires immediate attention)
• Squealing: Worn belt or motor bearing (typically < 2hr repair)
• Clicking: Faulty relay or electrical issue (safety hazard)

We use acoustic sensors to isolate noise sources faster. Did you know? 70% of 'noisy system' calls we handle in Sunol, CA are due to:
1) Loose ductwork (15-minute fix)
2) Dirty blower wheels (includes free cleaning)

🎧 Noise diagnostic special: $89 includes full sound assessment and written report. Call (773) 915-6421 before small noises become big repairs!