ST. CHARLES, Mo. – Blake Hetelle of St. Peters, Mo. has joined Wiegmann Associates as project manager in the firm’s HVAC service department.

Hetelle is responsible for providing detailed, cost-effective management of Wiegmann’s mechanical and HVAC system projects to meet client and company goals. Duties include managing subcontractors, coordinating RFI submittals and change orders, managing labor and maintaining jobsite safety, project quality, schedule and budget. He also prepares project estimates and supports the sales process to acquire new projects.