I have a Trane furnace warranty expired October 22 2008. Today I had to have the circuit board replaced. Trane will not answer my emails and I had no choice and had to pay for this repair. Funny thing was the board for my furnace has had an upgrade made to it and the original one isn't on the market anymore. Smells like trouble to me. Never again will I have a Trane furnace in my house. read full review »