text:  Dirt does not transfer heat. If you put a pile of dirt in your hand, you could put a flame to that dirt for a short time and it wouldn't hurt. Dirt will not transfer the heat to your hand. The smallest amount of dirt on the outdoor coils will keep them from being able to get rid of the heat you are attempting to extract from the home and reject it to the outside air. All right, we'll touch on a couple other things when we come back right after this.