The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) drafts and publishes HVACR Industry Guidelines that in addition to standards are used within America. These guidelines provide valuable information for a number of products and topics and can be downloaded free of charge.
Eurovent is the European Industry Association for Indoor Climate, Process Cooling, and Food Cold Chain Technologies. Its members from throughout Europe represent more than 1.000 companies, the majority small and medium-sized manufacturers.