I am currently having my heating system replaced. So here is my story. I have a 19 year old Lennox Pulse system that pretty much bit the dust. While attempting to do an operational check to get ready for those long cold winter nights in upstate NY, the system decided to just chatter and never came online. After extensively exhausting my engineering and electrical background, I finally broke down and called a service repairman.

First words of wisdom! Find someone locally that you know or someone you trust knows. ASK! Don't finger tab through the yellow pages. Check them out with the Better Business...