Impianti di riscaldamento : Il terzo responsabile e la manutenzione programmata : Gli obblighi del Dpr 412

In Italy thermal systems are around 14 millions, 1.5 millions centralized ones and 12.5 independent ones. This park, the new building realzations and the adaptation of the systems to the service of the buildings, on the impetus of the recent normaive law 46/90 on the security, will determine a large demand of technicians for the periodic check-up that the law imposes to the responsible and, the supervision from the public authority of the times fixed by the law 10/91