Louisiana HVAC License Requirements

Official classification: Mechanical Work (Statewide) classification · Issued by the Louisiana State Licensing Board for Contractors (LSLBC).

❄️ HVACLA ✔ Verified 2026-06-22

In Louisiana, HVAC contractors must hold the Mechanical Work (Statewide) classification, issued by the Louisiana State Licensing Board for Contractors (LSLBC), and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Louisiana

Follow these steps to earn your Mechanical Work (Statewide) classification. Every figure is verified against the Louisiana State Licensing Board for Contractors (LSLBC); full detail for each step is further down the page.

  1. Build the required experience. No fixed statutory hour requirement; the company's qualifying party must pass the Mechanical Work trade exam. Louisiana licenses HVAC through the LSLBC company classification (no separate individual statewide HVAC license).
  2. Pass the Mechanical Work trade examination and Business and Law examination exams. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. Louisiana requires No board-mandated surety bond. Applicants short of the $10,000 net worth may post a bond/letter of credit for the shortfall as an alternative.
  4. Line up insurance. You'll need liability insurance (Not mandated for commercial classifications (commercial applicants are exempt from the board insurance filing)), and workers' compensation coverage.
  5. Clear the background check. A Background Financial Investigation is conducted on applicants (the board charges an investigation fee). No statewide criminal fingerprint check is specified.
  6. Meet the credit / financial requirement. Financial statement showing net worth of at least $10,000 (current within 12 months); a shortfall may be covered by a bond or letter of credit.
  7. Submit your application and fees. Apply through the Louisiana State Licensing Board for Contractors (LSLBC) — License/application fee is capped at $100 by statute; the board also charges processing fees on top — confirm current amounts with LSLBC. application fee, plus a $100 statutory cap per classification (additional classifications cost extra) license fee. Processing time: Variable; applications are acted on at scheduled board meetings.
  8. Keep the license active. Renew 1, 2, or 3 years (licensee elects); expires on the anniversary of the issue date.

License types

Requirements at a glance

Experience requiredNo fixed statutory hour requirement; the company's qualifying party must pass the Mechanical Work trade exam. Louisiana licenses HVAC through the LSLBC company classification (no separate individual statewide HVAC license).
Application feeLicense/application fee is capped at $100 by statute; the board also charges processing fees on top — confirm current amounts with LSLBC.
License fee$100 statutory cap per classification (additional classifications cost extra)
Renewal fee$100 statutory cap
Renewal period1, 2, or 3 years (licensee elects); expires on the anniversary of the issue date
Continuing educationNone required for commercial classifications
Bond requiredNo board-mandated surety bond. Applicants short of the $10,000 net worth may post a bond/letter of credit for the shortfall as an alternative.
Liability insuranceNot mandated for commercial classifications (commercial applicants are exempt from the board insurance filing)
Property damage
Workers' compRequired under LA Title 23 if you have employees; filed for residential/home-improvement work
Background checkA Background Financial Investigation is conducted on applicants (the board charges an investigation fee). No statewide criminal fingerprint check is specified.
Credit requirementFinancial statement showing net worth of at least $10,000 (current within 12 months); a shortfall may be covered by a bond or letter of credit.
ReciprocityAs of 2024, LSLBC accepts any out-of-state exam passed without waiver or exemption in the same classification — there is no fixed reciprocal-state list, and the business/law portion is never waived.
Processing timeVariable; applications are acted on at scheduled board meetings.

Exams

Mechanical Work trade examinationProvider: PSI · Passing: Not publicly disclosed · Fee: $50 statutory cap per classification exam
Business and Law examinationProvider: PSI · Passing: Not publicly disclosed · Fee: $50 statutory cap
Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Mechanical/HVAC work up to $10,000 generally does not require LSLBC licensure. The statewide license preempts local/parish exam requirements.

Frequently asked questions

How much does a Louisiana hvac license cost?

Application: License/application fee is capped at $100 by statute; the board also charges processing fees on top — confirm current amounts with LSLBC.. License: $100 statutory cap per classification (additional classifications cost extra). Renewal: $100 statutory cap.

Do hvacs in Louisiana need a surety bond?

No board-mandated surety bond. Applicants short of the $10,000 net worth may post a bond/letter of credit for the shortfall as an alternative.

What experience is required for a Louisiana hvac license?

No fixed statutory hour requirement; the company's qualifying party must pass the Mechanical Work trade exam. Louisiana licenses HVAC through the LSLBC company classification (no separate individual statewide HVAC license).

Is insurance required for hvacs in Louisiana?

Liability: Not mandated for commercial classifications (commercial applicants are exempt from the board insurance filing) Workers' compensation: Required under LA Title 23 if you have employees; filed for residential/home-improvement work

How often must a Louisiana hvac license be renewed?

1, 2, or 3 years (licensee elects); expires on the anniversary of the issue date.

Fees and rules change frequently (often annually). This page was last verified on 2026-06-22 — always confirm current requirements directly with the Louisiana State Licensing Board for Contractors (LSLBC) before applying. This is not legal advice.

Official sources

lslbc.gov/exams-classifications
lslbc.gov/types-of-licenses
lslbc.gov/wp-content/uploads/2025/07/Rules-Regulations-Effective-March-20-2021.pdf
lslbc.gov/continuing-education

Other Louisiana contractor licenses

⚡ Electrician
Electrical Work (Statewide) classification
🔧 Plumber
LSLBC Plumbing classification (company) + State Plumbing Board of Louisiana Journeyman/Master Plumber (individual)
🏗️ General Contractor
Building Construction classification (Commercial) and Residential Building Contractor license
🏠 Roofer
Roofing and Sheet Metal, Siding (commercial specialty classification) / Roofing (residential specialty)

HVAC licensing in other states

Alabama
Heating, Air Conditioning & Refrigeration Contractor Certification
Arizona
CR-39 / C-39 / R-39R Air Conditioning and Refrigeration
Arkansas
HVAC-R Contractor License
California
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Connecticut
Unlimited Heating, Piping, and Cooling Contractor (S-1) / Unlimited Heating, Piping, and Cooling Journeyperson (S-2)
Florida
Air Conditioning Contractor (Class A / Class B)
Georgia
Conditioned Air Contractor License (Class I or Class II)
Hawaii
C-52 Ventilating and Air Conditioning Contractor / C-53 Refrigeration Contractor
Indiana
HVAC Contractor License
Iowa
HVAC-Refrigeration with Gas License
Kentucky
HVAC Contractor License
Maryland
HVACR Master / Master Restricted / Limited Contractor / Journeyman License
Massachusetts
No single HVAC license — work is licensed as Sheet Metal Worker, Refrigeration Technician/Contractor, Pipefitter (Heating & Cooling), or Oil Burner Technician depending on the task
Michigan
Mechanical Contractor License — HVAC Equipment Classification
Minnesota
Mechanical Contractor Bond Filing (state level) + Local Competency Card (city level)
Mississippi
Commercial HVAC Contractor (Mechanical Work – HVAC specialty) / Residential HVAC Contractor
Missouri
No statewide HVAC/mechanical license — licensed at the city/county level
Nevada
C-21 Refrigeration and Air Conditioning Contractor
New Jersey
Master HVACR Contractor License
New Mexico
MM-3 Heating, Ventilation and Air Conditioning Contractor
North Carolina
Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II)
Ohio
Commercial Contractor (HVAC)
Oklahoma
Mechanical License (HVAC/R)
Oregon
CCB Contractor License with a mechanical/HVAC specialty endorsement (Residential Specialty Contractor or Commercial Specialty Contractor)
South Carolina
Mechanical Contractor - Air Conditioning / Heating [commercial]; Residential Specialty Contractor - HVAC [residential]
Tennessee
Contractor License, CMC-C (HVAC, Refrigeration and Gas Piping) classification
Texas
Air Conditioning & Refrigeration Contractor License (Class A / Class B)
Utah
H100 HVAC Contractor (replacing the former S350 HVAC Contractor classification)
Virginia
Contractor License (Class A/B/C) with HVAC (HVA) specialty; plus individual HVAC Tradesman license (Journeyman/Master)
Washington
HVAC/R Specialty Contractor Registration + HVAC/Refrigeration Specialty Electrician Certificate (where electrical work is performed)
Wisconsin
HVAC Qualifier Certification + HVAC Contractor Registration