Since its inception in 1978, Ductmate Industries Inc. is the largest heating, ventilation and air conditioning (HVAC) accessories manufacturer in North America, and that makes it one of the largest in the world. Ductmate products are sold through a network of over 400 distributors in the U.S.A. and through a consortium of manufacturers and distributors around the world. Ductmate designs and produce a myriad of HVAC connectors, doors, sealants and support system. Ductmate's aim is (and always has been) to create an example within the HVAC industry, but also to businesses at large.