Loading...
Loading...
Boiler Operator License
Total cost: $100-$150
Governing Authority
Ohio Department of Commerce — Division of Industrial Compliance, Boiler Section
Official website →Some details on this page are not yet confirmed against an official source. See sources below or contact the licensing board to verify.
Yes
License Required
3
License Grades
Yes
Exam Required
$100-$150
Total Initial Fees
Annual (every year)
Renewal Period
No
CE Required
You must be at least 18 years old. Verify all eligibility requirements with the Ohio Department of Commerce — Division of Industrial Compliance, Boiler Section.
Education: High school diploma or equivalent. Experience: Progressive: minimal (5th Class) to 3+ years (1st Class). Approved programs: On-the-job training under a licensed engineer; approved training programs accepted.
Ohio offers 3 license grades: Low-Pressure Boiler Operator, High-Pressure Boiler Operator, Stationary Steam Engineer. Each grade covers different boiler types and capacities. Choose the grade that matches the equipment you will operate.
Written examination covering boiler operation, steam engineering, ASME codes, and Ohio boiler laws (ORC Chapter 4104) Administered by Ohio Department of Commerce — Division of Industrial Compliance. Passing score: 70%. Based on ASME Boiler and Pressure Vessel Code; Ohio Revised Code Chapter 4104. Exam fee: $50. Retake policy: May retake after 30 days.
Submit your application to the Ohio Department of Commerce — Division of Industrial Compliance, Boiler Section. License fee: $50. Total initial fees: $100-$150.
Renew your license annual (every year). Renewal fee: $50.
Total startup cost for boiler operator licensing
License Fee
$50
Ohio boiler operator license fee
Exam Fee
$50
Examination fee
Renewal Fee
$50
Renewal fee per cycle
Total estimated initial costs including license and exam fees
Ohio boiler operator licensing overview
Mostly verifiedRequired
State License
3
License Grades/Classes
18+
Minimum Age
License Grades / Classes
Low-Pressure Boiler Operator
For operating low-pressure steam and hot water boilers (≤15 psi steam)
Experience: 2,000 hours (or 600-1,000 hrs + approved 50-125 hr training course)
High-Pressure Boiler Operator
For operating high-pressure boilers (>15 psi steam)
Experience: 2,000 hours (or reduced with approved training course)
Stationary Steam Engineer
For operating and maintaining stationary steam engineering plants
Experience: 2,000 hours (or reduced with approved training course)
Boiler operator licensing requirements vary significantly by state. Some states require multiple grades of licenses based on boiler size and pressure rating, while others do not require a state-level license at all. The ASME Boiler and Pressure Vessel Code provides the national standard for boiler safety. Always verify current requirements with your state licensing authority.
Not sure if you need a boiler operator license? Check whether your state requires one.
Education, experience, and training requirements
Mostly verifiedEducation Required
High school diploma or equivalent
Experience Required
Progressive: minimal (5th Class) to 3+ years (1st Class)
Apprenticeship
Not Required
Training Programs
On-the-job training under a licensed engineer; approved training programs accepted
Boiler operator training typically combines classroom instruction with hands-on experience. Many states require a combination of formal education and documented operating experience before licensure. The National Board of Boiler and Pressure Vessel Inspectors (NBBI) and industry associations offer additional training and certification programs.
Browse Boiler Operator study materials on Amazon →(affiliate link)
Examination requirements and details
Mostly verifiedExam Required
Yes
Exam Provider
Ohio Department of Commerce — Division of Industrial Compliance
Passing Score
70%
Exam Details
Written examination covering boiler operation, steam engineering, ASME codes, and Ohio boiler laws (ORC Chapter 4104)
Retake Policy
May retake after 30 days
Applicable Codes & Standards
ASME Boiler and Pressure Vessel Code; Ohio Revised Code Chapter 4104
Boiler operator examinations typically cover ASME Boiler and Pressure Vessel Code, boiler operation principles, safety procedures, and state-specific regulations. Some states use examinations from the National Institute for the Uniform Licensing of Power Engineers (NIULPE), while others administer their own exams.
Overall licensing difficulty: 1/100
Study recommendation: 1–2 weeks of focused review is usually sufficient
Browse study guides
Boiler Operator Exam Prep Materials
Affiliate link — we may earn a commission at no extra cost to you.
Difficulty rating based on education, exam, and experience requirements. Individual experience may vary.
Insurance and bonding requirements
Mostly verifiedInsurance Required
No
Bonding Required
No
Most states do not require individual boiler operators to carry personal insurance or bonding. Employers typically carry workers' compensation and general liability insurance that covers boiler operations. Facilities with boilers are generally required to have boiler and machinery insurance.
| Fee | Amount |
|---|---|
License Fee Ohio boiler operator license fee | $50 |
Exam Fee Examination fee | $50 |
Renewal Fee Renewal fee per cycle | $50 |
Total Initial Fees Total estimated initial costs including license and exam fees | $100-$150 |
Use our licensing cost calculator to estimate your total investment including education and exam fees.
Calculate your licensing ROI →
See how quickly your license investment pays for itself.
Renewal requirements and ongoing obligations
Mostly verifiedAnnual (every year)
Renewal Period
Not Required
Continuing Education
N/A
CE Hours per Cycle
Renewal Fee
$50
Renewal requirements vary by state. Most states that license boiler operators require annual or biennial renewal. A few states require continuing education to maintain licensure. Failure to renew on time may result in lapse of license and the need to retake examinations.
Ohio's 5-class system is one of the most structured in the Midwest, requiring progressive advancement through experience and examination.
Ohio has a comprehensive 5-class stationary steam engineer licensing program.
The Division of Industrial Compliance under the Department of Commerce administers the program.
Ohio Revised Code Chapter 4104 governs boiler and pressure vessel safety, including operator licensing.
All high-pressure boiler plants must have a licensed engineer on duty during operation.
There is no interstate compact for boiler operators.
Ohio has 3 license types (Low-Pressure Boiler Operator, High-Pressure Boiler Operator, Stationary Steam Engineer) per OAC 1301:3-5-10. Licenses expire annually per ORC 4104.19(F). Each requires 2,000 hours experience (or reduced hours with approved training courses: 600-1,000 hrs + 50-125 hr course). Passing grade: 70%.
Boiler Operator requirements in nearby states
See how Ohio compares: Boiler Operator License Fees by State — Cheapest to Most Expensive →
Compare boiler operator requirements across all states →
Boiler Operator licensing requirements nationwide →
Not sure boiler operator is right for you? Find careers that match your situation →
How does Ohio compare to other states for boiler operator? See the full comparison →
Calculate the return on investment for your boiler operator license →
Explore requirements for other professional licenses in Ohio.
Boiler Operator Schools in Ohio
Compare approved training programs, costs, and requirements.
Study guides and practice tests for boiler operator licensing exams.
Browse Study Guides on Amazon →As an Amazon Associate, we earn from qualifying purchases.
Shop essential tools and supplies to get started in your career.
As an Amazon Associate, we earn from qualifying purchases.
Not sure this is the right career? Take a 2-minute quiz →
Answer 6 quick questions and we'll match you with the best-fit licensed profession.
Boiler Operator requirements in Ohio verified against Ohio Department of Commerce — Division of Industrial Compliance, Boiler Section, March 2026.
Moving to Ohio? Use our free Transfer Tool to see what you need →
Already licensed elsewhere? See how to transfer your Boiler Operator license to Ohio →
Transfer your Boiler Operator license from Ohio to: Indiana → | Kentucky → | Michigan → | Pennsylvania → | West Virginia →
Ohio requires boiler operators to hold a state license. 3 license grade(s) are available for different boiler types and capacities. Boiler safety in Ohio is overseen by the Ohio Department of Commerce — Division of Industrial Compliance, Boiler Section.
Requirements vary by state. Always verify current requirements with your state licensing authority.