🔍Common Symptoms
- •Banging or popping sounds
- •Squealing or screeching
- •Rattling or vibrating
- •Humming or buzzing
- •Clicking sounds
⚠️Possible Causes
- •Delayed ignition (banging)
- •Loose blower belt (squealing)
- •Loose panels or screws (rattling)
- •Electrical issues (humming)
- •Ignition problems (clicking)
What You Can Check Yourself
Before calling for service, you can safely check these things:
- 1Tighten loose access panels
- 2Check for objects near furnace
- 3Listen to identify sound location
📞When to Call a Professional
- ⚡Loud banging when furnace starts
- ⚡Continuous squealing
- ⚡Grinding or metal-on-metal sounds
- ⚡Sounds accompanied by burning smell
Call (650) 397-7060
Same-day appointments available
Related Services
Furnace Making Strange Noises FAQs
Find answers to common questions about our services
Repair costs depend on the specific cause. A simple fix like replacing a filter might be minimal, while compressor or heat exchanger issues can be more significant. We provide upfront pricing before starting any work.
While not usually an emergency, you should address it soon to prevent further issues. We offer same-day service in most cases.
You can try the basic troubleshooting steps above (filter changes, thermostat checks). However, for anything involving electrical, gas, or refrigerant, you should call a licensed professional.
Experiencing Furnace Making Strange Noises?
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