About Wiegmann

About Wiegmann



Wiegmann Associates is a St. Louis-based mechanical contractor serving the commercial, industrial and institutional markets, and a national leader in design/build HVAC projects.  Since 1995, Wiegmann Associates has engineered and installed innovative, energy-saving and cost-efficient HVAC solutions and automation controls for clients in a wide range of industries. Ranked among the top 50 specialty contractors in the Midwest by Engineering News Record,


Wiegmann also provides 24-hour preventative maintenance programs and service in the St. Louis region. For more information, visit www.wiegmannassoc.com or call (636) 940-1056.

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