HVAC contractor license cost Louisiana

Expect to pay about $390–$490 to earn an HVAC contractor license in Louisiana—typically the $140 PSI HVACR trade exam, a $150 Business & Law fee, and a basic license fee up to $100, plus any nonresident surcharge (up to $400) if you’re domiciled out of state. PSI fee table; La. R.S. 37:2156; LSLBC form.

Requirements last verified: 2026-10-04

How to get an HVAC contractor license in Louisiana

1. Create your LSLBC account and start the online application. Select the Mechanical classification and the HVACR trade exam (“Heat, Air Conditioning, Ventilation, Duct Work, and Refrigeration”). Apply for a License.
2. Designate your qualifying party and complete background checks as required. R.S. 37:2156.1(C)–(D).
3. Prepare financials. Upload the LSLBC financial statement showing ≥$50,000 net worth, or provide an irrevocable letter of credit for the required amount. R.S. 37:2156.1(B)(2).
4. Submit insurance. Have your insurance agent email current certificates (GL and workers’ comp as applicable) to insurance@lslbc.gov. Checklist.
5. Pay fees and schedule exams. Take the $150 Business & Law (LSLBC portal) and the $140 PSI HVACR trade exam once you receive your PSI eligibility notice. Testing & scheduling; PSI fees; B&L fee.
6. Receive your approval. LSLBC issues a written decision within 30 days of a complete file. Then pay the basic license fee (capped at $100) for issuance. FAQ timeline; R.S. 37:2156.
7. Maintain your license. Renew annually or for 2–3 years; renewal fee $100/year cap, optional $100/year education dedication (opt‑out available), late fee up to $50 after 15 days. Renewal; R.S. 37:2156(H) & (K).

Louisiana HVAC contractor license cost: complete breakdown

Most Louisiana HVAC applicants pay three core costs: (1) $140 for the PSI HVACR trade exam, (2) $150 for the Business & Law fee (LSLBC), and (3) the basic license issuance fee, capped at $100 by statute. Depending on domicile, a nonresident surcharge up to $400 may apply. PSI fees; B&L fee; R.S. 37:2156.

Ongoing costs to maintain a Louisiana HVAC license

Renewal is due on the license anniversary. You may renew for 1, 2, or 3 years. Statutory caps: renewal $100/year; late fee up to $50 if filed more than 15 days after expiration; an additional $100/year education dedication appears on renewal with an opt‑out election. Renewal page; R.S. 37:2156(H), (K).

Project thresholds and which HVAC classification to request

You need an LSLBC license for Mechanical work when the job exceeds $10,000 (labor + materials). Apply under Mechanical and select the HVACR trade exam (“Heat, Air Conditioning, Ventilation, Duct Work, and Refrigeration”). Thresholds; PSI list.

Financial and insurance requirements that affect your budget

LSLBC requires a financial statement showing at least $50,000 net worth for commercial/residential/specialty classifications (including Mechanical/HVAC), or an irrevocable letter of credit in that amount. Insurance certificates (and workers’ comp as applicable) must be emailed by your agent at application and renewal. R.S. 37:2156.1(B)(2); Checklist.

Timeline: from application to license

After you submit a complete application, LSLBC provides a written decision within 30 days. Exam scheduling is handled by PSI after LSLBC approval; Business & Law is delivered via the LSLBC portal. Decision timeline; Testing process.

Comparing professional licensing costs across Louisiana can help plan cash flow—for example, our guide to the LA private investigator license cost contrasts a very different fee stack, and this step‑by‑step on how to get a Private Investigator License in Louisiana shows how renewal cycles and surcharges vary by credential.

Frequently Asked Questions

What is the total cost to get an HVAC contractor license in Louisiana?

Plan for ~$390–$490: $140 PSI HVACR trade exam, $150 LSLBC Business & Law, and a basic license fee up to $100. Nonresidents may owe up to a $400 surcharge. Insurance, financial preparation, and any retake fees are extra. PSI; R.S. 37:2156; B&L fee.

Do I need the Mechanical classification or just the HVACR exam?

Apply under the Mechanical classification and select the HVACR trade exam (“Heat, Air Conditioning, Ventilation, Duct Work, and Refrigeration”). Mechanical work requires a license at $10,000+. Thresholds; Exam list.

Is there a required number of HVAC experience hours?

No fixed hour count is specified. Instead, you must designate a qualifying party, pass required exams, and meet the $50,000 net‑worth (or letter of credit) financial standard for Mechanical. R.S. 37:2156.1(B)–(D).

What are the renewal fees and deadlines?

Renew for 1, 2, or 3 years. Statutory cap is $100 per year; late renewal can add up to $50 after 15 days. An additional $100/year education dedication appears with an opt‑out election. R.S. 37:2156(H), (K); LSLBC renewal.

How long does LSLBC take to approve my HVAC application?

Within 30 calendar days after receiving a complete application, LSLBC issues a written decision. Exam scheduling follows your PSI eligibility notice. LSLBC FAQ; Testing & scheduling.

Ready to budget your Louisiana HVAC license with confidence? License Navigator can walk you through each step, the exact fees, and renewal reminders so nothing falls through the cracks.