09/02/2026
That first chilly morning hits, you turn on the heat... and suddenly, something smells a little off. ๐๐ฅ
Some HVAC smells, like burning dust, can be completely normal when you turn on the heat for the first time. Others, including burning plastic, musty odors or a sulfur smell, could signal a bigger problem.
Learn what different HVAC smells mean, when they should go away and when itโs time to call a professional:
Notice a strange HVAC smell when you turn on the heat? Learn which odors are normal and which need attention from Smith & Keene.