ISH China & CIHE, the premier trade fair for the HVAC and water industries in the APAC region, returned for its 30th anniversary in 2026. Sean Carroll checks it out to find what’s next for Australian plumbers. The ISH China & CIHA show returned to Beijing in 2026, marking its 30th anniversary of operation. The show came at a critical time for the water and HVAC industries, with global tensions putting pressure on the energy industry and, in turn, an emphasis on sustainable, renewable solutions.