AT Mechanical is a full-service HVAC Contractor and Mechanical Service Provider operating out of Melrose Park, Illinois. We employ an elite group of pipefitters, sheet metal workers, and servicemen. Founded in 2004, we have completed over 200 million dollars worth of mechanical construction. AT Mechanical has worked on a tremendous array of building types, installing virtually every type of HVAC system from the suburbs to downtown Chicago and across the United States. Whether it's a brand new Plan and Spec or Design-Build Construction project, a difficult retrofit, or a simple roof top unit installation, AT Mechanical can get it done. We are very proud of our flexibility in this regard. If you are looking for an experienced, trustworthy, and knowledgeable Mechanical Contractor with a wealth of innovative ideas who can meet all budgets, then please give AT Mechanical an opportunity to work with you.