Organizações do Ar e Refrigeração Industrial

- Associação Portuguesa de Refrigeração e Ar Condicionado (APIRAC)

- Air Movement & Control Association (AMCA)

- American National Standards Institute (ANSI)

- American Society of Heating, Refrigerating & A/C Engineers (ASHRAE)

- Heating, Refrigerating & Air-Conditioning Institute of Canada (HRAI)

- Institute of Heating and Air Conditioning Industries (IHACI)   

- National Air Duct Cleaners Association (NADCA)

- Refrigeration Service Engineers Society (RSES)