So the other night I was doing laundry and all of the sudden I could smell something. At first I thought it was the dryer, but after checking on the dryer and smelling anything but clean clothes, I began to wonder if I was imagining the smell. So I went back to folding clothes. I could still smell something and I was starting to get very warm. I decided to feel the air vent. Sure enough, it was warm air blowing out. I realized I was smelling the furnace when you first turn it on in the winter. So I went and checked the thermostat, it was on heat. I changed it back to cool and set the temperature to what we usually have it on at night and went back to doing laundry.