Integrity - Accuracy - Speed - Safety

Founded in 1985, Stewart Environmental Air Systems, Inc. is one of the most trusted, innovative, and competitive mechanical contractors in the Southern Plains region.  Specializing in large commercial and industrial projects, we design, construct, service and maintain most any type of facility.  Working closely with our customers and fellow contractors, we are committed to providing quality projects under the most demanding schedules.  By setting high professional standards for our employees and providing comprehensive training, we ensure those projects are safe, affordable and environmentally sustainable.

Stewart Environmental Air Systems is best represented by what we have built.  Our portfolio includes extensive military, medical, industrial manufacturing and commercial facilities.  From pre-construction design to commissioning, there is virtually no HVAC project we are not expertly qualified to undertake.