it comes out of the floor vents in all rooms It has been doing this more and stronger smelling the past 3 yrs or so, just getting strongeer and smellier every year the funrnace cleaner guy, tells me it normakl and don't worry, every yr But its getting so strong now, I just don't buy it! again, I KNO...

Ok, I have a mobile ho,e I use as a weekend place from time to time its an older mobile home It has a oil furnace, that i burn kero. in due to its an outside tank, and winters my way get very cold any ways i have it cleaned every year, new nozzle and what ever the guy does I have no idea on a furnac...