The guys were fast and friendly but ...theyve been...

The guys were fast and friendly but ...theyve been out four times now and one thing fixed on my furnace then the board burnt out two days later which set off smoke alarms and me and my kids called the fire department! Guy. Came back out yesterday and said they would return today.Waiting for a call and apparently they have to call the technician? So someone dropped the ball and didnt alert the office! Okkk....