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Mechanical insulator: pay, job outlook and how to become one

Updated October 28, 2026. Based on U.S. Bureau of Labor Statistics and O*NET data. Published by Humblebee.

$58,340median pay per year, or $28.05 an hour, May 2025[1]
  1. $42,470lowest 10% earn less
  2. $48,10025th percentile
  3. $58,340median
  4. $77,36075th percentile
  5. $100,220top 10% earn more
Middle half of workers in the inner band[3]Median for all US jobs, $50,980[4]

Mechanical insulators earned a median of $58,340 a year in May 2025[1]. Jobs are projected to grow 5.1% from 2025 to 2035[2].

Job growth, 2025–35
+5.1%[2]
Openings per year
1,800[5]
Typical entry education
High school diploma or equivalent[6]

How much do mechanical insulators make?

BLS calls this job Insulation Workers, Mechanical. The median wage was $58,340 a year, or $28.05 an hour[1]. Half of workers earned more and half earned less. The average was $65,530 a year, or $31.50 an hour[7]. The median for all occupations was $50,980 a year[4].

The lowest-paid 10% earned less than $42,470 a year, and the lowest-paid 25% earned less than $48,100[3]. The highest-paid 25% earned more than $77,360, and the highest-paid 10% earned more than $100,220[3]. In hourly terms, those four marks were $20.42, $23.13, $37.19 and $48.19[8].

BLS does not publish a starting salary. It publishes percentile wages, which are boundaries between groups of workers[9]. These figures cover wage and salary workers. They leave out the self-employed and do not count bonuses or the cost of benefits[10].

Pay by state and city

Pay differs a lot by place. California had the highest median at $119,690, followed by Oregon at $119,480 and Nevada at $114,130[11]. Delaware had the lowest listed median at $44,850[11]. Among metro areas with at least 100 jobs, San Francisco-Oakland-Fremont, CA led at $136,460, then Portland-Vancouver-Hillsboro, OR-WA at $126,750 and Los Angeles-Long Beach-Anaheim, CA at $124,090[12].

The most jobs were in Texas (4,190), New York (1,490) and Virginia (1,350)[13]. The metro areas with the most jobs were Houston-Pasadena-The Woodlands, TX (1,320), New York-Newark-Jersey City, NY-NJ (1,100) and Chicago-Naperville-Elgin, IL-IN (930)[14].

Show median pay in 44 states
StateMedian per yearJobs
California[11]$119,6901,310
Oregon$119,480170
Nevada$114,130250
New Jersey$107,610330
Minnesota$105,670250
Illinois$100,4001,100
Washington$92,120500
Hawaii$87,570n/a
Wisconsin$85,120600
Alaska$84,41040
Pennsylvania$80,770590
Arizona$80,410n/a
Missouri$78,660830
Rhode Island$77,15060
Nebraska$75,940130
West Virginia$74,20090
Indiana$72,2201,320
Maryland$70,030450
Ohio$67,600990
Massachusetts$64,710560
Maine$63,580400
Oklahoma$61,840250
New York$59,1201,490
Michigan$58,860650
North Dakota$58,140400
Virginia$57,0101,350
Utah$55,990380
Iowa$54,440140
New Mexico$53,120n/a
Georgia$52,600660
Arkansas$51,390130
South Carolina$50,440630
Mississippi$50,180120
Florida$49,660480
Colorado$49,050520
Kansas$49,050130
Alabama$48,930n/a
Texas$48,9304,190
North Carolina$48,4301,090
Louisiana$48,280620
Wyoming$48,190540
Tennessee$46,380670
Kentucky$46,150n/a
Delaware$44,850340

How to become a mechanical insulator

BLS lists a high school diploma or equivalent as the typical entry education, no related work experience, and an apprenticeship as the typical training[6]. The OOH profile covers a wider group of insulation jobs, so the details below come from that broader text[15].

Unions and individual contractors offer apprenticeships. Some people start as helpers instead[19]. Anyone who removes or handles asbestos must complete training from a program approved by the U.S. Environmental Protection Agency, and some states also require a license for asbestos abatement[20]. Optional certification is also available[21].

In an O*NET survey of 27 workers, 72% said a high school diploma or equivalent was required, 21% said a post-secondary certificate and 8% said less than a high school diploma[22]. The survey is small, so treat it as a rough picture.

After journey level, mechanical insulators may move up to supervisor or superintendent roles, or start their own mechanical insulation business[18].

What mechanical insulators do

They apply insulating materials to pipes, ductwork and other mechanical systems to help control and maintain temperature[23]. Typical tasks include:

Where they work

Mechanical insulators can be found at work inside buildings and outside, and the temperatures can sometimes be extreme[25]. They spend much of the workday standing, bending or kneeling in confined spaces, and may work high on scaffolding or ladders[25]. They face burn risks when insulating pipes that are in service[26]. Building equipment contractors employed 67% of insulation workers in the OOH profile[27].

Most insulators work full time, and they may need to work more than 40 hours a week to meet construction deadlines[28]. Outdoor work may stop in bad weather[28].

Job outlook

BLS projects employment to grow 5.1% from 2025 to 2035, from about 26,700 to 28,100 jobs[2]. For all occupations, the projected growth is 3.5%[29]. About 1,800 openings a year are projected[5]. Those openings include jobs left by workers who retire or change occupations, not only new jobs[5]. Each year, 2% of workers leave the labor force and 4.2% move to a different occupation[30]. The projection counts include the self-employed, who were 1.8% of workers in 2025[2][31].

Is it a good fit?

The facts show a job that typically combines a high school diploma with an apprenticeship[6]. The 4 to 5 year apprenticeship pays while you learn[17]. Median pay is above the all-occupations median[1][4], and growth is faster than the all-occupations rate[2][29]. The work can mean confined spaces, extreme temperatures and burn risks[25][26]. It may suit people who want a long, paid training route and are comfortable with those conditions.

Related occupations from O*NET, with BLS median pay and projected growth[32].

Frequently asked questions

How much does a mechanical insulator make an hour?
The median was $28.05 an hour in May 2025, and the average was $31.50[1][7].
How long does it take to become a mechanical insulator?
Many mechanical insulators learn through a 4 to 5 year apprenticeship[17].
What education do you need to be a mechanical insulator?
BLS lists a high school diploma or equivalent as the typical entry education[6].
Is mechanical insulator work in demand?
Employment is projected to grow 5.1% from 2025 to 2035, compared with 3.5% for all occupations, with about 1,800 openings a year[2][29][5].
What is the highest paying state for mechanical insulators?
California had the highest median at $119,690, followed by Oregon at $119,480[11].

Facts and sources

  1. BLS OEWS, May 2025: the median wage for Insulation Workers, Mechanical in the US was $58,340 per year and $28.05 per hour. Half of workers earned more and half earned less. BLS OEWS, May 2025
  2. BLS Employment Projections: employment of Insulation Workers, Mechanical is projected to grow 5.1% from 2025 to 2035, from about 26,700 to 28,100 jobs (a change of +1,400). These counts include self-employed workers. BLS Employment Projections
  3. BLS OEWS, May 2025, annual wage percentiles for Insulation Workers, Mechanical: 10th percentile $42,470, 25th percentile $48,100, 75th percentile $77,360, 90th percentile $100,220. The 10th percentile means 10% of workers earned less. BLS OEWS, May 2025
  4. BLS OEWS, May 2025: the median annual wage for all occupations in the US was $50,980. BLS OEWS, May 2025
  5. BLS Employment Projections: about 1,800 openings for Insulation Workers, Mechanical are projected each year, on average, from 2025 to 2035. Openings include jobs that open when workers retire or move to other occupations, not only new jobs. BLS Employment Projections
  6. BLS Employment Projections, typical path into Insulation Workers, Mechanical: education needed for entry: High school diploma or equivalent; work experience in a related occupation: None; typical on-the-job training: Apprenticeship. BLS Employment Projections
  7. BLS OEWS, May 2025: the mean (average) wage for Insulation Workers, Mechanical was $65,530 per year and $31.50 per hour. BLS OEWS, May 2025
  8. BLS OEWS, May 2025, hourly wage percentiles for Insulation Workers, Mechanical: 10th percentile $20.42, 25th percentile $23.13, 75th percentile $37.19, 90th percentile $48.19. BLS OEWS, May 2025
  9. BLS OEWS FAQ: a percentile wage is a boundary. The median (50th percentile) separates the highest-paid 50% from the lowest-paid 50% of workers in the occupation. OEWS publishes percentile wages, not a starting salary. BLS OEWS, May 2025
  10. BLS OEWS FAQ: OEWS covers part-time and full-time workers paid a wage or salary. It does not cover the self-employed, owners and partners in unincorporated firms, household workers or unpaid family workers. OEWS wages do not include nonproduction bonuses or employer costs of benefits such as health insurance or retirement contributions. BLS OEWS, May 2025
  11. Median annual wage for Insulation Workers, Mechanical in every state with published data, May 2025 (table on this page). BLS OEWS, May 2025
  12. BLS OEWS, May 2025, metro areas with the highest median annual wage for Insulation Workers, Mechanical (areas with at least 100 jobs): San Francisco-Oakland-Fremont, CA $136,460; Portland-Vancouver-Hillsboro, OR-WA $126,750; Los Angeles-Long Beach-Anaheim, CA $124,090; Las Vegas-Henderson-North Las Vegas, NV $121,870; San Diego-Chula Vista-Carlsbad, CA $112,280; Chicago-Naperville-Elgin, IL-IN $103,690; Milwaukee-Waukesha, WI $86,310; Syracuse, NY $82,950. BLS OEWS, May 2025
  13. BLS OEWS, May 2025, states with the most Insulation Workers, Mechanical jobs: Texas 4,190; New York 1,490; Virginia 1,350; Indiana 1,320; California 1,310. BLS OEWS, May 2025
  14. BLS OEWS, May 2025, metro areas with the most Insulation Workers, Mechanical jobs: Houston-Pasadena-The Woodlands, TX 1,320 (median $50,050); New York-Newark-Jersey City, NY-NJ 1,100 (median $70,690); Chicago-Naperville-Elgin, IL-IN 930 (median $103,690); Dallas-Fort Worth-Arlington, TX 830 (median $52,200); Virginia Beach-Chesapeake-Norfolk, VA-NC 680; St. Louis, MO-IL 560 (median $79,240). BLS OEWS, May 2025
  15. The BLS Occupational Outlook Handbook profile "Insulation Workers" covers Insulation Workers, Mechanical together with other related occupations, so its text describes the wider group. BLS Occupational Outlook Handbook
  16. Occupational Outlook Handbook, How to Become One: Education. BLS Occupational Outlook Handbook
  17. Occupational Outlook Handbook, How to Become One: Training. BLS Occupational Outlook Handbook
  18. Occupational Outlook Handbook, How to Become One: Advancement. BLS Occupational Outlook Handbook
  19. Occupational Outlook Handbook, How to Become One: Training. BLS Occupational Outlook Handbook
  20. Occupational Outlook Handbook, How to Become One: Licenses, Certifications, and Registrations. BLS Occupational Outlook Handbook
  21. Occupational Outlook Handbook, How to Become One: Licenses, Certifications, and Registrations. BLS Occupational Outlook Handbook
  22. O*NET 47-2132.00 survey of workers (27 respondents), education level they say is required: High School Diploma or the equivalent (such as a GED) 72%, Post-Secondary Certificate 21%, Less than a High School Diploma 8% (levels under 5% not listed). O*NET OnLine
  23. O*NET description of Insulation Workers, Mechanical. O*NET OnLine
  24. O*NET task list for Insulation Workers, Mechanical. O*NET OnLine
  25. Occupational Outlook Handbook, Work Environment. BLS Occupational Outlook Handbook
  26. Occupational Outlook Handbook, Work Environment: Injuries and Illnesses. BLS Occupational Outlook Handbook
  27. BLS Occupational Outlook Handbook, largest employers of insulation workers in 2025: Building equipment contractors 67%. BLS Occupational Outlook Handbook
  28. Occupational Outlook Handbook, Work Environment: Work Schedules. BLS Occupational Outlook Handbook
  29. BLS Employment Projections: employment in all occupations is projected to grow 3.5% from 2025 to 2035. BLS Employment Projections
  30. BLS Employment Projections, 2025-35 annual average for Insulation Workers, Mechanical: 2% of workers leave the labor force each year and 4.2% move to a different occupation. BLS Employment Projections
  31. BLS Employment Projections: 1.8% of Insulation Workers, Mechanical were self-employed in 2025. BLS Employment Projections
  32. Related occupations (O*NET) with BLS pay, growth and entry education. O*NET OnLine

Notes are for reading the data only. They are not facts and cannot be cited: use the wage_scope and percentile_meaning facts instead. OEWS employment (jobs in May 2025) and Employment Projections employment (2025, includes self-employed) are different measures and can differ. O*NET education shares come from a small survey of workers in the occupation, not from all workers. The Occupational Outlook Handbook text covers a wider group of occupations than this page.

This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. CareerFacts has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications.