A large focus of airconditioning maintenance is on energy and water saving on this 5 star green building, which – at 140 metres – is the tallest Green Building in Africa. The building is multi-tenanted with FNB being the anchor and co-owner. The highly experienced team undertakes daily plant inspections and planned and reactive maintenance on the central chilled water system, BMS, air-side control, cooling towers, water treatment and all pumps and fans. The team requires an intricate knowledge of energy optimisation strategies designed into the system including a grey water plant.