Banging Sounds From Furnace
high priorityLoud bangs or booms when furnace starts
Understanding This Problem
Banging sounds at startup often indicate delayed ignition, where gas builds up before igniting. This is a safety concern requiring immediate attention.
Common Causes
Dirty or malfunctioning burners
Gas pressure issues
Delayed ignition
Ductwork popping from temperature changes
Expanding metal components
What You Can Do
Don't ignore banging from burner area
Schedule immediate professional inspection
Consider ductwork insulation for expansion noise
Prevention Tips
- Annual burner cleaning and inspection
- Keep burner area clean
- Monitor for changes in startup sounds
High Priority
This issue should be addressed promptly to avoid damage or discomfort.
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