Yesterday our heater quit...called service person set up a 3.30PM appointment...no call no show so I called them again at 5PM...they say they had no clue about it but could come by at 6.30PM emergency call....finally at 7PM they show up look at it and say they have to come back tomorrow with the right parts to fix it...2 nights without any heat...great....still waiting to hear from them today???