5 Reasons You Smell Smoke From Your Furnace

Smoke odors from the furnace are often harmless, but they aren't something that you want to ignore. Know the common causes so you can troubleshoot the issue and schedule the proper repair. 1. Dust Issues Dust in the system is one of the more common causes of burning odors. This type of odor tends to only occur right after the furnace turns on, especially at the beginning of the heating season.