Founded in 2001 and located in Phoenix, AZEVAP offers a range of industrial and commercial evaporative cooling products. It manufactures direct evaporative coolers based on patent-pending technology. The company employs managers and engineers who use modern process engineering design practices that include fluid dynamic, psychrometry, and chemical and material engineering principles. It provides AZFlow Coolers that feature distribution systems, sensor and microprocessor-based graphical controls. K-zell Metals a sister company of AZEVAP, produces a range of stainless steel air handling equipment. It also offers AZWall, which is a evaporative cooling product line that includes stainless steel single wet sections and metal spray bars and distribution headers.