A burning, hot, or electrical smell when you run the AC or heater. This can signal an overheating motor, electrical fault, or debris — and should be checked promptly.
Find a ProviderTurn the system off and have it checked soon. A faint smell on first heater use of the season can be normal dust, but a strong or electrical burning smell is not.
Yes — a slipping or worn belt near the compressor can produce a hot, rubbery burning smell.
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