#1 in Spartanburg
Precision Climate Control
Spartanburg, SC
(864) 917-6190
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Musty usually means moisture in the ducts or drain line; burning can be dust on the heater or an electrical issue. Don't ignore burning smells — call.
Possibly. Musty odors plus moisture are the classic combo. A tech can inspect the coil and drain pan.
Regular filter changes, keeping the drain line clear, and annual service go a long way.
Burning or electrical smells warrant a quick call. Musty smells are usually a health nuisance — still worth fixing.