Insulator at Northern WI Area Heat & Frost JAC

The Northern WI Area Heat & Frost JAC sponsors this union insulator apprenticeship in Appleton, WI. As a Joint Apprenticeship Committee (JAC) program with union affiliation, it offers a structured, employer-supported path into the mechanical insulation trade for workers across northern Wisconsin. Apprentices are paid throughout training and gain real-world experience from day one.

This four-year, time-based program includes 8,000 hours of on-the-job training and 576 hours of related technical instruction. Apprentices work under experienced journeymen on insulation installations covering piping, boilers, tanks, ductwork, and industrial mechanical systems. Classroom coursework addresses insulation materials and techniques, energy efficiency applications, safety standards, hazardous materials handling, and applicable codes and regulations.

Graduates earn journey-level standing as Insulation Workers, Mechanical — a trade with strong and consistent demand across Wisconsin's manufacturing, commercial construction, and institutional sectors. The union backing of this JAC program provides apprentices with access to negotiated wages, benefits, and the professional network of the insulation workers' union throughout their careers.