First published in 1969, JARN is the global leading English-language monthly magazine dedicated to the HVAC&R industry, covering market trends, new products, cutting-edge technologies, and international exhibition. With distribution in over 80 countries, JARN provides industry insights to professionals worldwide. Featuring exclusive interviews with industry leaders, international exhibition reports, etc., JARN stands out as a trusted source of information. Our strong partnerships with global industry associations and correspondents ensure valuable and accurate updates for our readers.