The AMONUM chillers from ENGIE Refrigeration utilise ammonia as a refrigerantopen_in_new, so running them is cheap, energy-efficient and environmentally friendly. With a reduced refrigerant capacity of less than ten kilograms, the AMONUMopen_in_new can be deployed in flexible fashion. In addition, the chiller is compact in size and features individual power adjustment as well as a comprehensive safety concept. It is suitable for brine applications down to -21 degrees Celsius, but also for process cooling and climate control up to +16 degrees Celsius.