Hawaii HVAC License Requirements (2026)

Hawaii licenses HVAC contractors through the DCCA-PVL Contractors License Board as Class C-52 Ventilating and Air Conditioning Contractors under Hawaii Revised Statutes Chapter 444 and Hawaii Administrative Rules Title 16 Chapter 77. Unlike electricians and plumbers, HVAC technicians in Hawaii do not have a separate individual journey or master credential from the Board of Electricians and Plumbers; the C-52 contractor license is the primary credential. The qualifying individual (Responsible Managing Employee) must show four years of supervisory experience, pass the PSI C-52 trade exam and the PSI business and law exam, and the business must post a $5,000 bond. Federal EPA Section 608 certification is required for any work involving refrigerants.

The Licensing Authority

Authority over this credential rests with Hawaii Department of Commerce and Consumer Affairs — Professional and Vocational Licensing Division, Contractors License Board (DCCA-PVL), which issues and polices it under Hawaii Revised Statutes Chapter 444; Hawaii Administrative Rules Title 16 Chapter 77. The Contractors License Board licenses Class A General Engineering, Class B General Building, and Class C Specialty contractors statewide. The DCCA-PVL Board of Electricians and Plumbers separately licenses individual electricians and plumbers.

Official portal: https://cca.hawaii.gov/pvl/boards/contractor/
Address: King Kalakaua Building, 335 Merchant Street, Room 301, Honolulu, HI 96813
Phone: (808) 586-3000

Baseline Eligibility

The applicant must be at least 18 years of age and possess a valid Social Security Number. No Hawaii residency requirement. Hawaii GET license required before the C-52 license is issued.

Good moral character

The Contractors License Board reviews every applicant for good reputation for honesty, truthfulness, and fair dealing as required by HRS 444-9.

Background investigation

Mandatory criminal history disclosure on the application.

Experience and Education Requirements

The experience bar is four years of supervisory experience within the last ten years as a foreman, supervising employee, contractor, or owner-builder installing and servicing ventilating and air conditioning systems, and it must be backed by verifiable records — typically payroll, tax, project, or supervisor documentation covering the claimed period.

Accepted proof of experience or eligibility

Certification of Work Experience form signed by each supervising licensed contractor or employer
W-2 statements, payroll records, or 1099s covering the qualifying period
Project list with addresses, dates, scope, and dollar value
EPA Section 608 certification card

Education substitution

An accredited bachelor's degree in mechanical engineering or HVAC technology may substitute for up to three years of the four-year experience requirement under HAR 16-77-32.

The Licensing Examination

Testing is handled by PSI Services LLC (under contract to DCCA). The applicant has to pass each part listed here before the credential is granted:

Hawaii Business and Law Examination — 60 questions, 135 minutes, passing score 75%
Hawaii C-52 Ventilating and Air Conditioning Trade Examination — IMC, UMC, refrigeration, sheet metal — 100 questions, 240 minutes, passing score 75%

Examination fee: $75 per examination part paid to PSI.

Retake policy: Failed examinations may be re-taken by paying a new $75 fee per part. Application approval is valid for two years from board approval.

Financial Security and Insurance

A $5,000 surety bond, in the form prescribed by the DCCA-PVL, must be posted as a condition of licensure.

General liability

C-52 contractors must carry general liability insurance adequate for the scope of work at application.

Workers' compensation

Workers' compensation insurance is mandatory under HRS Chapter 386 for any contractor with one or more employees.

Additional financial requirements

The qualifying individual must demonstrate financial solvency including working capital of at least $1,000 per HAR 16-77-35.

Fee Schedule

Fee	Amount
Application (non-refundable)	$50
Examination	$150
Initial license	$351
Renewal (every 2 years)	$351

License Renewal

The Hawaii C-52 Ventilating and Air Conditioning Contractor must be renewed every 2 years. The fee to renew is presently $351. All contractor licenses expire September 30 of each even-numbered year regardless of issue date.

Continuing education: Hawaii does not currently mandate continuing education for C-52 license renewal.

Downloadable Asset

2026 Hawaii HVAC License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity Map

Hawaii grants no NASCLA reciprocity for this classification.

Reciprocal State	Accepted Exam	Conditions
California	C-20 trade exam waiver considered	Bilateral agreement with CSLB for active C-20 contractors in good standing for five years.
Nevada	C-21 trade exam waiver considered	Bilateral agreement with NSCB.
Arizona	K-39 trade exam waiver considered	Bilateral agreement with AZ ROC.

Hawaii reciprocity waives the trade exam only. The Hawaii Business and Law exam is always required.

Weighing more than one jurisdiction? The national hub compares HVAC license requirements in every state — exam, bond, fee, and experience thresholds side by side.

The Licensing Roadmap

Document four years of supervisory HVAC experience. Gather Certification of Work Experience forms, payroll records, and project lists covering the last ten years.
Obtain EPA Section 608 certification. Federal refrigerant handling certification is required for any work involving refrigerants.
Form a Hawaii business entity and obtain a GET license. Register with BREG (if LLC or corporation) and obtain the General Excise Tax license from the Department of Taxation.
Submit the DCCA C-52 contractor application. File the Application for Contractor's License with the $50 application fee and experience documentation.
Receive board approval to test. The Contractors License Board reviews the application at its monthly meeting and issues an approval letter to test.
Pass the PSI Business and Law exam at 75%. Schedule and pass the 60-question business and law exam.
Pass the PSI C-52 trade exam at 75%. Schedule and pass the 100-question ventilating and air conditioning trade exam.
Post the $5,000 surety bond and insurance. File the surety bond, workers' compensation certificate, and general liability certificate with DCCA.
Pay the initial license fee and receive the license. Pay the initial license and Contractors Recovery Fund fees. DCCA issues the C-52 wallet card.

Preparation Resources

These materials are drawn from the regulator's own citations and the references applicants commonly use to prepare. CLR receives no compensation for listing them.

International Mechanical Code (Hawaii-adopted edition) — International Code Council. Primary technical reference. Open-book at the PSI test center.
Uniform Mechanical Code — IAPMO. Secondary technical reference.
Hawaii Revised Statutes Chapter 444 and HAR 16-77 — State of Hawaii. Licensing law and rules.
NASCLA Contractors Guide to Business, Law and Project Management — Hawaii edition — NASCLA. Primary reference for the business and law exam.

Before Filing: A Checklist

Before submitting to DCCA-PVL, the applicant should have each of the following ready:

☐ Four years documented supervisory HVAC experience
☐ EPA Section 608 certification
☐ Hawaii GET (General Excise Tax) license
☐ DCCA C-52 application with $50 fee
☐ Board approval to test
☐ PSI Business and Law exam pass certificate at 75%+
☐ PSI C-52 trade exam pass certificate at 75%+
☐ $5,000 surety bond
☐ Workers compensation and general liability certificates
☐ Contractors Recovery Fund fee

Common Application Pitfalls

The errors below are the ones that most frequently cost Hawaii HVAC applicants time, drawn from the cited board guidance.

Skipping EPA 608

EPA Section 608 is federal and required before touching any refrigerant. DCCA will reject incomplete applications.

Skipping the GET license

DCCA will not issue the C-52 license without a Hawaii General Excise Tax license on file.

Unverifiable experience

Every year of experience must be signed off by a licensed supervisor or owner. Self-certified experience is rejected.

Missing the monthly board meeting

Applications are reviewed at the board's monthly meeting. Late or incomplete files push approval to the next month.

Forgetting the Recovery Fund fee

A Contractors Recovery Fund contribution is due at initial licensure and at each renewal.

Other Hawaii Trade Licenses

For a different Hawaii credential, see these companion guides published by CLR:

Answers to Common Questions

Does Hawaii issue an individual HVAC technician license?

No. Unlike electricians and plumbers, Hawaii does not issue a separate individual journey or master HVAC credential. The C-52 Ventilating and Air Conditioning Contractor license from the Contractors License Board is the primary credential.

How much experience does Hawaii require for the C-52?

Four years of supervisory HVAC experience within the last ten years. An accredited degree in mechanical engineering or HVAC technology can substitute for up to three of those years.

Is EPA Section 608 required?

Yes. Federal Section 608 certification is required for any work involving refrigerants regardless of state license status.

Is a bond required?

Yes. A $5,000 surety bond is required for every C-52 license.

How often does the C-52 license renew?

Every two years on September 30 of each even-numbered year.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-05-01 · Next scheduled review 2026-07-30