Started in 1934 as an annual issue ofThe News, the HVACR Directory & Source Guide has grown tremendously. It's the most current and complete reference tool in the HVACR industry, containing 3,833 wholesaler listings, 874 HARDI member listings and 172 manufacturer outlets, 87 associations, 92 exporters, 4,188 brand names, and 20,184 product listings. We estimate more than 90 percent of all listings have at least one change each year.

Publication date: 01/05/2004