FAQ
Stationary Engineer FAQ
Answers to the most common questions about working as a stationary engineer.
Straight answers to the questions people ask most about becoming a stationary engineer: pay, training time, degrees, certifications and whether it’s a good career.
9 questions about stationary engineers
Do stationary engineers need a license?
In many states and cities, yes.
Is there an apprenticeship path?
Yes, often through unions such as IUOE.
Where do they work?
Hospitals, campuses, office buildings, plants and government facilities.
How much does a stationary engineer make?
The median annual wage for stationary engineers was $78,620 ($37.80 per hour) in May 2025, according to the U.S. Bureau of Labor Statistics. The lowest 10% earned less than $50,590 and the highest 10% earned more than $125,390.
How long does it take to become a stationary engineer?
Most people need about 1–4 years of training. A high school diploma is typical, plus long on-the-job training or apprenticeship. Licenses are required in many places.
Do you need a degree to be a stationary engineer?
No four-year degree is typically required. BLS lists “high school diploma or equivalent” as the typical entry-level education, plus long-term on-the-job training.
Is stationary engineer a good career?
It can be, depending on your goals. Employment is projected to change +3.1% from 2025–35 (about as fast as average), with about 3,200 openings each year. Upsides include steady demand in many buildings; a common challenge is that shift and on-call work.
What skills does a stationary engineer need?
Key technical skills include boiler operation, chiller and hvac systems, building automation, and water treatment. Employers also value problem solving, reliability, and communication.
What certifications are available for stationary engineers?
Common credentials include State or city stationary engineer license, Boiler operator license, EPA Section 608, and Certified Energy Manager. Many states and cities license stationary engineers and boiler operators, with license grades based on experience and exams.
Still deciding?
Try the Stationary Engineer fit quiz, compare with Power Plant Operator, or explore Stationary Engineer training.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 51-8021 (Stationary engineers and boiler operators).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Stationary engineers and boiler operators (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.