National Certification Schemes for Refrigeration and Air-conditioning Service Technicians: Examples of Strategies and Requirements for their Establishment and Operation

It is expected that in the near future there will be a considerably higher uptake around the world, and particularly in developing countries of ‘alternative refrigerants’, such as hydrocarbons, ammonia, carbon dioxide, unsaturated hydrofluorocarbons (HFCs) –or hydrofluoroolefins (HFOs) and HFOs mixtures.