Company overview Enviro-Aire Mechanical Services has been engaged in the HVAC and refrigeration business since 1975. The services provided to our thousands of customers over the years include all those skills required to do a complete mechanical installation and repairs to all types of HVAC and refrigeration equipment. Our entire field staff is CFC trained and licensed in the State of Maryland, Virginia and the District of Columbia to perform HVAC and refrigeration work. Currently Enviro-Aire provides service to some of the areas most prestigious organizations, which include GSK, Starbuck's, Chipotle Mexican Grills, Legal Sea Foods, Inc., McCormick & Schmick's, the Department of the Navy, the Department of the Army, NIH, and Department of Homeland Security.