Founded in 1960, ISH is among the leading European trade fairs for the HVAC and water industries. The event is held in Messe Frankfurt for five days at the end of March. It is the central platform for presenting innovations and discussing preservation topics. It is also the primary location for business networking and generating sales. Furthermore, it is an event with a high turnover and international participation rate. It receives participants from more than 160 countries. This includes over 180,000 visitors and over 2,500 exhibitors.