Started in 1934 as an annual issue of The NEWS, the HVACR Directory & Source Guide has grown tremendously. It’s the most current and complete reference tool in the HVACR industry, containing 1,865 product categories, 1,227 manufacturer listings, 3,733 wholesaler listings, 3,890 trade name listings, and more. We estimate that more than 90 percent of all listings have at least one change each year.

For more information, visit the HVACR Directory.

Publication date: 1/2/2017

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