Founded in 2004, AT Mechanical is a full-service HVAC Contractor and Mechanical Service Provider.  With our elite team of pipefitters, sheet metal workers and servicemen, we have completed over 200 million dollars worth of mechanical construction, everything from brand new Plan and Spec projects and Design-Build Construction to difficult retrofits and simple rooftop unit installations.

AT Mechanical has experience with a wide variety of building types, installing virtually every type of HVAC system from the Suburbs to downtown Chicago and across the United States.  With our experience, knowledge and innovative ideas, we can meet all budget needs while providing the quality and trustworthy craftsmanship you’ve come to expect with AT Mechanical.


  • Mechanical Contractors Association

  • The Sheet Metal Works’ International Association

  • Chicago Pipefitters Local 597

  • Associated General Contractors of America

  • Association of Subcontractors and Affiliates

  • Chicago Sheet Metal Contractors Association

AT Mechanical strives to provide the highest quality, the most efficient mechanical system installation at the best value, with an emphasis on customer satisfaction.

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2000 N. Hawthorne Ave, Melrose Park, IL 60160
847.671.7940p     847.671.7946f

© 2019 AT Mechanical