My heater was installed by Bryant Air Conditioning, Heating, Electrical and Plumbing in 2003. It recently quit firing, so I gave Bryant a call. It turned out to be the igniter, and they replaced the igniter. It was on a Saturday, but they got it done with no problems. When you call their number, you talk to people, not machines, and they get the work done. The staff at Bryant Air Conditioning, Heating, Electrical and Plumbing do good work. I will continue to use them for my HVAC service.