Boiler Mechanic Training and Career Information

Sep 26, 2019

Learn about the education and preparation needed to become a boiler mechanic. Get a quick view of the requirements as well as details about apprenticeship programs and job duties to determine if this is a career for you.

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Boiler mechanics work in commercial construction, energy or manufacturing industries repairing and maintaining pressurized systems. They require technical knowledge, physical strength and manual dexterity. These positions usually require only a high school diploma.

Essential Information

Boiler mechanics repair and maintain boilers and other pressure vessel systems. Technical knowledge is required to work on these potentially dangerous, pressurized heating systems. A 4-year formal apprenticeship often serves as entry-level training in the field.

Required Education High school diploma or equivalent
Other Requirements 4-year apprenticeship; state licensure; voluntary certification
Projected Job Growth 6% from 2018-2028*
Median Annual Wage (2018) $62,150*

Source: *U. S. Bureau of Labor Statistics

Training Information for Boiler Mechanics

Working with boilermaker tools and equipment requires physical strength and manual dexterity, and mechanics often are exposed to safety and health hazards while performing repairs. Boiler mechanics must uphold state laws regarding safe operations. Federal regulations, such as the Clean Air Act, require companies to ensure healthy emissions levels, and government policies continue to support the development of more environmentally friendly systems to reduce pollution.

Some engineering and trade schools offer week-long courses in boiler operation and maintenance. Additionally, semester-long courses in stationary steam engineering may be available to individuals preparing for state boilermakers' license exams.

The National Board of Boiler and Pressure Vessel Inspectors also offers certificate courses, such as a boiler repair seminar and a welding workshop. The U.S. Bureau of Labor Statistics (BLS) maintains that more apprenticeship opportunities may be available to those who have completed a welding training program.


Trade unions and employers offer formal apprenticeships that usually last four years. Apprentices receive comprehensive training that includes both field and classwork. According to the BLS, apprenticeships allow boiler mechanics to earn income while they train for a period of 2,000 hours or more each year. Apprentices receive hands-on training supervised by experienced boiler mechanics. They learn the physical aspects of the job while working on repairs and applying knowledge gained in the classroom.

In class, apprentices might learn to read blueprints, set up assemblies and weld plates under pressure. The BLS states that students typically spend a minimum of 144 hours in class during every year of an apprenticeship.

Career Information for Boiler Mechanics

The BLS predicted that boilermakers would see about average job growth between 2018 and 2028. Job positions were expected to grow as fast as the average. The organization maintained that the dangerous and physically demanding nature of the job would cause some to pursue other trades or retire.

Boiler mechanics often work in the commercial construction, manufacturing or energy industries. The BLS reported that boilermakers earned a median salary of $62,150 as of May 2018. Those who hold professional certification may find more opportunities for advancement to supervisor or managerial positions.

Certification and Licensure

Voluntary national certification for boiler operators is awarded by the American Society of Mechanical Engineers (ASME) upon successful completion of an exam. The ASME boiler operator certification program is relevant for aspiring boiler mechanics because it reviews design and fabrication codes for boilers, as well as equipment maintenance and emissions monitoring protocols.

Individual state laws may require mechanics to be licensed before they're able to perform welding to install or repair boilers. Some states issue different license classes for apprentices, installers, service mechanics, boilermakers, steamfitters and welders, of which only the last three are allowed to weld. A certain level of supervised experience may be required before sitting for a state licensing exam.

Most boiler mechanics learn their trade through apprenticeships offered by trade unions and employers. Some states require certain positions to be licensed. The job growth outlook for these positions is slightly above average, and the annual median salary is about $62,000.

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