The only problem is the cost. I believe your charges are much too high.
It wasn't his fault but the furnace had quit the night before and I had restarted it with the switch on the back of it. He could not tell me why it quit but he tried everything to try to figure it out. I thought the 2 stage was not working also but he showed me that it was skipping over the first stage and going directly to the second stage.
The service guys are always polite and professional. I appreciate that they call before coming...