Industry Hotlinks...   ARI (Air-Conditioning and Refrigeration Institute)   ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers)   JARN (Japan Air Conditioning, Heating & Refrigeration News)   BSRIA (Building Services Research and Information Association)   IIR (International Institute of Refrigeration)       GAMA (Gas Appliance Manufacturers Association)               ITS (Intertek ETL Semko)   UL (Underwriters Laboratories)