ST. LOUIS, MO – Zachary Vanelli of Ballwin, MO has joined Wiegmann Associates as an Account Executive. He is responsible for communicating with customers about potential project opportunities, developing conceptual designs, performing engineering loads and calculations and generating construction proposals.

Vanelli has previous experience as a ​​Controls Engineer where he designed and managed projects for the Department of Defense across their entire lifecycle. He holds a bachelor’s degree in Mechanical Engineering from Missouri University of Science and Technology.


Wiegmann Associates is a St. Louis-based mechanical contractor and a national leader in design/build HVAC projects. Since 1995, Wiegmann Associates has engineered and installed $1 billion in innovative, energy-saving and cost-efficient HVAC solutions, refrigeration systems and automation controls for clients in a wide range of industries, including senior living, food and beverage distribution, warehouse, healthcare, commercial and industrial. Wiegmann also provides 24-hour preventative maintenance programs and service in the St. Louis region. Wiegmann is ranked among the top 50 specialty contractors in the Midwest by Engineering News-Record and St. Louis’ fifth-largest mechanical contractor by the St. Louis Business Journal. For more information, visit or call (636) 940-1056.


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Rachel Brown
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