As soon as I turned on the light in my furnace room, Will identified the problem and immediately set to fix it. He mentioned on the drive over he had been running scenarios in his head of what could be wrong - so his knowledge and expertise paid off. He took care of the problem in just about a half hour. Will took the time to explain to why the furnace had been acting the way it was and showed me how it was now fixed and was gracious about answering any questions I had.