Boonstra Heating and Air Conditioning

Last fall Boonstra came to do the regular winter check up on my furnace.
I usually observe the technician when they do the tune up. I remember asking about how he knew if the heat exchanger was not cracked and he reply that he can tell by measuring the CO levels from the exhaust. At the end of the visit I signed the work order. After he left I read the work order in more detail and on the check list was " Camera inspect the exchanger " I called the service manager and they sent out another technician who did the camera inspection. In the future , I will ask the technician for the work order check list and make sure he does what is checked off .