Brian Hahn joins Wiegmann Associates as Project Engineer

Brian Hahn of St. Charles, MO has joined Wiegmann Associates as a Project Engineer. He is responsible for designing and engineering energy-efficient, cost-effective and high-performing HVAC systems for Wiegmann Associates projects. He will perform heating and cooling loads for HVAC systems,select appropriate HVAC equipment and use 3D modeling software to generate design and construction documents.