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licenses and certifications how many are there which ones do I need letamp;#39;s talk about it whatamp;#39;s going on and everybody thank you for tuning into this little HVAC mentor minutes I make a and letamp;#39;s dive right into the question licenses and certifications for the heating and air trade how many are there which ones do I need or donamp;#39;t need this will really broad topic but Iamp;#39;m gonna try to do it in a short amount of time one EPA type 608 your type 608 certification is a federally mandated card for you to possess as a heating and air technician that itamp;#39;s going to handle and use refrigerants this license / certification is required no matter what state you reside in it demonstrates to the EPA that you possess the competence and the skills and knowledge required to handle refrigerants in a way thatamp;#39;s both safe for you as the handler as well as safe for the environment there are several different types to this license you can select