Louisiana State Licensing Board for Contractors · checked 2026-10-21
Louisiana HVAC License Requirements
Louisiana licenses mechanical (heating and air conditioning) contracting through the LSLBC as a commercial license classification for projects over $10,000. The LSLBC summary read makes no statement about licensing individual mechanical (heating and air conditioning) workers. Commercial license, mechanical classification: the source states no minimum time, plus an exam.
- 1CL · Commercial license, mechanical classification time not stated
License levels in Louisiana
Louisiana has one credential on this path: the Commercial license, mechanical classification.
| Level | Experience | Classroom | Time from start | Exam | Fees |
|---|---|---|---|---|---|
| CL Commercial license, mechanical classification | none stated | — | time not stated | Yes | Not printed |
Commercial license, mechanical classification (CL)
The business qualifies with a passed business and law exam and the trade exam where one applies, and a financial statement showing at least $50,000 net worth, current within 12 months. The summary states no experience requirement. Source: LSLBC, Licensing Requirements for Contractors in Louisiana (PDF).
Exam
1 of the 1 level listed here requires an exam: Commercial license, mechanical classification. The source does not print a pass mark.
Fees
The Louisiana source read prints no dollar amounts for this license. The LSLBC summary prints no fee amounts.
When a license is needed: Electrical, mechanical and plumbing work needs an LSLBC license for projects over $10,000; commercial and residential building work needs one at $50,000 or more. (LSLBC, Licensing Requirements for Contractors in Louisiana (PDF))
Reciprocity
The Louisiana sources read for this trade name no reciprocity agreement and no route for out-of-state licensees.
How Louisiana compares
Louisiana's source states no minimum time for the commercial license, mechanical classification, so it is not ranked against the other states on this site.
Same trade elsewhere: California · Texas · Florida · Ohio · Georgia. All states side by side: HVAC license requirements by state.
Other trades in Louisiana
- Electrician: Commercial license, electrical classification: the source states no minimum time, plus an exam.
- Plumber: Master plumber: 3.5 years of experience at minimum, plus an exam.
- General contractor: Commercial license (building construction): the source states no minimum time, plus an exam.
All covered trades on one page: Louisiana trade licenses.
Background reading: From apprentice to master: how long each state takes · How trade license exams work.
Questions
Who issues the hvac license in Louisiana?
Louisiana State Licensing Board for Contractors (LSLBC). Louisiana licenses mechanical (heating and air conditioning) contracting through the LSLBC as a commercial license classification for projects over $10,000. The LSLBC summary read makes no statement about licensing individual mechanical (heating and air conditioning) workers.
How long does it take to qualify for the Commercial license, mechanical classification in Louisiana?
The source read (LSLBC, Licensing Requirements for Contractors in Louisiana (PDF)) states no minimum time for the Commercial license, mechanical classification. The business qualifies with a passed business and law exam and the trade exam where one applies, and a financial statement showing at least $50,000 net worth, current within 12 months. The summary states no experience requirement.
Does Louisiana have hvac license reciprocity?
The Louisiana sources read name no reciprocity agreement for this trade.
Sources and last checked
| What | Source | Checked |
|---|---|---|
| Issuing authority | Louisiana State Licensing Board for Contractors (LSLBC) | 2026-10-21 |
| CL requirements | LSLBC, Licensing Requirements for Contractors in Louisiana (PDF) | 2026-10-21 |
| Law cited | La. R.S. 37:2150 et seq. (LSLBC summary; statute not read) | 2026-10-21 |
This page summarises what the Louisiana source said on 2026-10-21. It is general information, not legal advice; the board's own page and the statute are the authority and can change. Confirm with Louisiana State Licensing Board for Contractors before applying. The free official route is the board itself: its page, application forms and staff answer eligibility questions.