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 3,513 wholesaler listings, 686 HARDI member listings, 89 associations, 86 exporters, 4,521 brand names, and 1,811 product headings with 23,539 product listings. We estimate that more than 90 percent of all listings have at least one change each year.

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Publication date:01/04/2010