on march 29, 2010 my furnace was on in my home. Then I smelled burnt rubber in my vents where the force hot air would come from.I called the fire department and they came to investigate the smell. They told me that it was no sign of a gas leak or carbon monoxide. They told me to turn it off and call your service contract. I called sears the same day and they came the next day. the tech was nice and professional but I told him the smell is coming from the vents. He told me all the safety on the furnace are on, then he left that is when the... read full review »