Service sheet metal workers specialize in maintaining, diagnosing, and repairing HVAC systems already in operation.

This path requires strong troubleshooting skills and mechanical knowledge, as service technicians are responsible for keeping systems running efficiently and resolving issues when they arise.
Typical work includes:
Service technicians often work independently and build strong problem-solving skills while helping customers keep their systems running smoothly.
No matter which path you choose, every sheet metal worker shares the same mission: designing, building, and maintaining the systems that keep indoor air clean and comfortable.
Through the Local 1 Apprenticeship Program, you’ll gain the training, experience, and support needed to build a successful career in any of these specialized areas.
Established in Peru, Illinois almost 50 years ago, Chapman's Mechanical Systems is a multi-generational family operation that evolved from a sheet metal specialist into a comprehensive mechanical contractor.
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The Second Annual Car Show was back on Saturday, September 13! Friends and family of Local Unon 1 gathered to admire classic and custom cars and enjoyed music and food trucks.
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In October, we came together for our annual Awards Banquet to honor retirees, long-serving members and apprentices. Your hard work and commitment have built a stronger union and a stronger community.
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