Problem
A burning smell comes from the vents when the AC system runs.
Possible Causes
Dust burning off components
Electrical wiring issue
Overheating motor
Dirty air filter
How To Fix It
Turn off the AC system
Replace the air filter
Check for dust buildup near vents
Allow the system to cool before restarting
When To Call A Professional
If the burning smell continues, an HVAC technician should inspect the electrical components.
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