North Port fire crews responded to reports of smoke inside a RaceTrac gas station on Wednesday morning.
Firefighters said after investigations, it was determined that the cause of the smoke was an issue with the building's HVAC system.
No injuries were reported.
As temperatures drop and you switch from cooling to heating, you might notice a burning smell coming from your HVAC system.
While it can be alarming, this smell is often normal and temporary. See our story on why it happens .
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