Your furnace shouldn’t smell like … well, much of anything. Neither the system itself nor the heated air it sends into your home. Basically, it should smell like your home usually does during our short winters.
So when you notice an unusual smell—moldy, dusty, acrid, sulfurous, etc.—coming from your furnace, it may indicate a malfunction that requires professional furnace service in Tampa, FL. Please don’t hesitate when it comes to weird odors from your HVAC system, as they can sometimes alert you to a safety hazard. Even if the situation isn’t as serious as that, these odors often warn that a furnace needs repairs before it stops working.