You woke up shivering in a cold house. Your morning shower, usually a warm and pleasant revitalization, was spent futilely turning the knob toward “hot” as your skin erupted in goosebumps. When you ...

Q. I was down in our basement the other day when I heard what sounded like a small roaring noise coming from the furnace. Upon further investigation I realized it was the pilot light burning away.

Turning on your furnace, you expect warm air, yet sometimes you get just the opposite. When your furnace is blowing cold air, it tells you something is not working properly in the system. The problem ...