VIDEO: The 43rd Professional Firefighters of Massachusetts Convention officially began in downtown Springfield Monday. The Convention of the Professional Firefighters of Massachusetts takes place every two years. The convention began Sunday and will continue until Thursday. This is the first time it’s being held in Springfield. Attorney General Maura Healey, Springfield Mayor Sarno, and Springfield Fire Commissioner BJ Calvi led Monday’s opening ceremonies. All Massachusetts firefighters’ unions meet for this convention to talk about current legislation and the newest technology that can make their job safer. “The fire service changes daily. Depending on legislation or whatever situation we have to deal with,” said member of the Springfield International Association of Firefighters Local 648, Drew Piemonte.