Heat & Frost Insulator Registered Apprenticeship
Apply insulating materials to pipes or ductwork, or other mechanical systems in order to help control and maintain temperature.
Training at a Glance
On the Job
An apprentice in his/her final year must complete the Transition to Trainer course.
WI Employment Outlook & Wages *
2026 in Wisconsin
* Wisconsin Long Term Occupation Employment Projections, 2016-2026 (Statewide). Office of Economic Advisors, WI Department of Workforce Development, December 2018.
& US Bureau of Labor Statistics: Occupational Employment Statistics, estimates May 2017.
Reports can be viewed on DWD's premiere source for Labor Market Information, WisConomy.com.
* * Average (mean) annual salary earned by the upper two-thirds of all workers in the selected location, occupation, and industry.
Actual salaries will vary by employer and other factors.