In order to meet evolving industry regulations and increasing energy efficiency demands, AAON, Inc. (AAON) launched Delta Class, the next evolution in Dedicated Outdoor Air System (DOAS) technology.AAON has been at the forefront of DOAS technology since its founding in 1988, which consistently delivers premium quality, high-efficiency equipment. Delta Class represents decades of expertise and continuous improvement in fresh air solutions for diverse environments.Delta Class features variable capacity compre ...