The F-Gas regulation 573/24 is stressing the role of "alternative" gases to work for decarbonisation and climate impact reduction. Most of them are flammable, explosive, toxic, dangerous (pressure in plant three/four time more than fluorinated gases). Most of the producers are worried about the lack of readiness of their maintenance networks in taking care of these new solutions and their safety and efficiency consequences. The actual and recordable level of competence about these issues have been defined throughout education and certification programmes a ...