Seasoned HVACR pros rely on this annual directory and source guide to locate products, get technical support, and discover new business opportunities. Known as the industry's most referenced buying source, the HVACR Directory & Source Guide is the most current and complete reference tool in the HVACR industry. Over 1,700 manufacturer listings and 1,800 product listings are packed into this directory! This special directory features manufacturer listings, HVACR product listings, trade name listings, wholesaler/where- to-buy listings, manufacturer representatives, consultant & services, association listings, software & videos, and exporter listings. This HVACR Directory & Source Guide could make the difference in your bottom line.