Shield Air Solutions, Inc. was formed in 2009, uniting The Birdwell Company and Marc Climatic Controls

The Birdwell product line provides custom engineered and built severe duty and explosion proof HVAC, pressurization and chemical air filtration equipment. Birdwell equipment is constructed of heavy duty, non-corrosive materials for hazardous and industrial applications. Since its inception in 1959, The Birdwell Company has engineered and manufactured rugged, corrosion resistant equipment with a track record of safety and reliability. There is Birdwell equipment in the field today that has been operating for more than 30 years.