KAV Consulting is a privately owned refrigeration consulting engineering firm, which completed the world’s first fully integrated two stage transcritical CO2 refrigeration system. The company is owned by Klaas Visser, who brings to KAV over 40 years experience in the design and management of industrial refrigeration systems, specialising in the food industry with particular emphasis on the meat industry. Some of KAV Consulting’s key areas of expertise are ammonia and CO2 systems, including CO2/ ammonia cascade systems and transcritical CO2 refrigeration systems. Application of properly designed CO2 refrigeration technology to District Cooling Systems has significant energy reduction potential. CO2/Ammonia cascade systems have the potential to produce heat for MED desalination plants producing about 1,500 litres of potable water per day per kW cooling capacity.