Usually these smells only arrive every so often. Actually, my own furnace had that same “difficulty” 4 months in the past. The best thing to complete is to simply let the furnace get the job done Usually. It shouldn’t acquire very long for that scent to dissipate. redwoodowners.com/discussion boards/f10/will-regular-thermostats-do https://rv-furnace-troubleshootin94837.bloggip.com/7391913/rv-furnace-troubleshooting-can-be-fun-for-anyone