Environmental Air Systems is a full-service design-build mechanical contractor and off-site modular manufacturer specializing in HVAC, piping, plumbing, sheet metal, building automation and controls, electrical, and after-sales service. Founded in the early 1950s, EAS has expanded its capabilities over the years to offer customers a high-quality, vertically integrated, single-source solution. The company consists of EAS Manufacturing, EAS Construction, Envirotrol, and Starr Electric, providing design-assist and building-lifecycle solutions from project inception through turn-key operation. EAS is part of Comfort Systems USA, a leading provider for mechanical, electrical, and plumbing building systems with a wide network across the United States.