Construction / HVAC Continuing Education / Missouri
- Missouri
- HVAC CE
- St. Louis Journeyman Mechanical
- Updated Oct 2026
Missouri HVAC Continuing Education: Hours, Deadline and Approved Courses
In Missouri, St. Louis County journeyman mechanical licensees need 24 hours of CE (12 Professional Education Units, or PEUs) every three years, including 6 trade-specific and 6 core hours, before their license expires.
Last updated October 28, 2026 from St. Louis County Mechanical Licensing Board requirements
Hours per cycle
24 hrs (12 PEUs)
At least 6 trade-specific and 6 core curriculum
Cycle
3 years
Counted from the date you received your license
Deadline
3 years from issue date
Renewal opens 180 days before expiration in Accela
Online allowed?
Yes
Board-approved online or classroom courses count
Who needs CE
Who needs continuing education for a Missouri HVAC license?
Missouri does not have a statewide HVAC license. In St. Louis County (governed under Chapter 1108 of the St. Louis County Revised Ordinances), journeyman mechanical licensees must complete 24 hours of instruction (12 Professional Education Units, where 1 PEU equals 2 hours) every 3 years to renew through the Department of Public Works.
CE applies to
- St. Louis County Journeyman Mechanical licensees (HVAC Service-Installer, Sheet Metal, Pipefitter)
Exemptions
- None stated in our sources
Outside St. Louis County?
Our sources cover the St. Louis County program. If your license comes from another Missouri city or county, check with that office.
Missouri HVAC CE at a glance
Missouri HVAC renewal, one box
| Renewed with | St. Louis County Department of Public Works (Mechanical Licensing) |
| CE required? | Yes, for St. Louis County journeyman mechanical |
| Hours per cycle | 24 hrs (12 PEUs) |
| Cycle | 3 years |
| Required topics | 6+ hrs trade-specific, 6+ hrs core curriculum |
| Online allowed? | Yes |
| Deadline | 3 years from license issue date |
| Who reports | Approved provider or licensee (via Accela Form CE-A if unapproved) |
| Carryover | Not stated |
| Grace period | Not stated |
| Renewal fee | Not stated |
| Last updated | October 28, 2026 |
Hours
How many CE hours does a Missouri HVAC license need?
St. Louis County journeyman mechanical licensees need 24 hours (12 PEUs) of CE every three years. At least 6 hours (3 PEUs) must be trade-specific and at least 6 hours (3 PEUs) must be core curriculum, such as the St. Louis County Mechanical Code, licensing requirements and OSHA.
| Class | Total | Required topics | Electives | Delivery limits |
|---|---|---|---|---|
| St. Louis County Journeyman Mechanical | 24 hrs (12 PEUs) | 6+ hrs trade-specific; 6+ hrs core curriculum (St. Louis County Mechanical Code, licensing, OSHA) | Up to 12 hrs (6 PEUs) approved electives | Online allowed via approved sponsors |
In St. Louis County, 1 Professional Education Unit (PEU) equals 2 hours of approved instruction. Trade-specific hours cover the work involved in the type of license you’re renewing.
Deadline
When is the Missouri HVAC license renewal deadline?
St. Louis County journeyman mechanical licenses expire three years from the day you received your license. The renewal application opens in the St. Louis County Accela Citizen Access portal 180 days before your expiration date.
| Deadline rule | Three years from the day you received your license |
| Cycle | 3 years |
| Grace period | Not stated |
| Late penalty | Not stated |
| CE completion deadline | Before you submit your renewal in Accela (window opens 180 days prior) |
Steps
How to renew a Missouri HVAC license, step by step
- Take approved CEBefore your deadline
Complete 24 hours (12 PEUs) of CE, with at least 6 trade-specific hours and 6 core curriculum hours. - Get your certificateSame day
Save the certificate of completion for each course you finish. - Confirm it’s reportedBefore you renew
Approved sponsors report PEUs to the county when your Accela account matches; if you took a non-pre-approved course, submit an Individual Course Approval Request (Form CE-A) in Accela. - Pay the renewal feeUp to 180 days prior
Log into the St. Louis County Accela portal, open My Records, click Renew Application, upload a current photo ID and pay the renewal fee. - Check your license statusAfter renewal
Confirm in Accela that your license shows a new expiration date three years out.
Providers
Approved Missouri HVAC license CE providers
We haven’t compared CE providers for this license yet. Use the board’s approved provider list to confirm a course counts before you pay. Courses must be taken through board-approved sponsors or approved individually via Form CE-A in Accela.
Approval
How to check a Missouri HVAC CE course is approved
Training should be taken through sponsors pre-approved by the St. Louis County Mechanical Licensing Board. Your 24 hours (12 PEUs) must include at least 6 trade-specific hours and at least 6 core curriculum hours.
- Confirm with St. Louis County that the sponsor is approved before you pay.
- Check whether the course counts as trade-specific or core curriculum.
- If you take a course from a non-approved provider, submit an Individual Course Approval Request (Form CE-A) in Accela before renewal.
Reporting
How Missouri HVAC CE is reported, and what happens in an audit
Many board-approved providers report your PEUs directly to St. Louis County when your Accela account information matches. If a course is not automatically reported, you can upload your documentation or submit a course approval request through your Accela account.
- Keep a certificate of completion for every course.
- Track trade-specific and core PEUs separately.
- Check that your 12 PEUs appear on your Accela record before you submit your renewal.
Cost
How much does Missouri HVAC license renewal cost?
| Item | Fee | Paid to |
|---|---|---|
| License renewal fee | Not stated | St. Louis County Department of Public Works |
| Late renewal fee | Not stated | St. Louis County Department of Public Works |
| CE courses (24 hours / 12 PEUs) | Varies by provider | CE provider |
Your exact renewal balance is calculated at checkout in the St. Louis County Accela portal based on your license classification.
Late or lapsed
Late, expired or inactive Missouri HVAC license
Our sources don’t give grace period, late fee or reinstatement details. The renewal window opens 180 days before expiration in Accela; if your license is close to expiring or has expired, contact St. Louis County Public Works at 314-615-5184.
Grace period
Not stated in our sources. Contact the board before your expiration date if you’re running late.
Makeup CE
You still need all 24 hours (12 PEUs), including the trade-specific and core minimums, before you can renew.
Who controls
Who controls Missouri HVAC license renewal?
Renewal authority
St. Louis County Department of Public Works – Mechanical Licensing
Phone: 314-615-5184
Email: mechanical@stlouiscountymo.gov
Responsibilities
- Renews St. Louis County journeyman and contractor mechanical licenses via Accela
- Sets the 24-hour (12 PEU) CE requirement under Chapter 1108 SLCRO
- Sets the trade-specific and core curriculum minimums
Getting licensed
Getting licensed
We haven’t published a Missouri license guide for this profession yet. Tell us if you need one.
FAQ
Missouri HVAC license CE FAQs
How many CE hours does a St. Louis County journeyman mechanical license need?
24 hours (12 Professional Education Units, or PEUs) every three years, with at least 6 trade-specific and 6 core curriculum hours.
When is the deadline?
Your license expires three years from the day you received it. The renewal option opens in the Accela portal 180 days before expiration.
What counts as core curriculum?
Topics like the St. Louis County Mechanical Code (Chapter 1108), licensing requirements and OSHA.
Does Missouri have a statewide HVAC CE rule?
No. Missouri does not issue a statewide HVAC license. Check with your local licensing office if you’re licensed outside St. Louis County.
Can I take CE online?
Yes, when taken through a board-approved sponsor.
Who reports my hours?
Many approved providers report PEUs directly to St. Louis County if your Accela account matches. If you take an unapproved course, submit Form CE-A through the Accela portal.
Sources
Official sources for Missouri HVAC CE rules
- St. Louis County Department of Public Works – Mechanical Licensing
- St. Louis County Revised Ordinances Chapter 1108 (Mechanical Code)
Last updated October 28, 2026. Spot something out of date? Tell us.
Exam Insiders is an independent guide and is not affiliated with St. Louis County or its Mechanical Licensing Board.