HVAC Apprenticeships in Hawaii: Programs, Requirements and How to Apply

Registered apprenticeship works the same way in Hawaii as nationally: each program has a sponsor, and the program is registered either by the U.S. Department of Labor's Office of Apprenticeship or by a recognized State Apprenticeship Agency acting for DOL.

Hawaii is a State Apprenticeship Agency (SAA) state on DOL's list, and the state agency is the Hawaii Department of Labor and Industrial Relations (DLIR).

DLIR's list of registered construction apprenticeships, published in September 2025, names the Honolulu JATC of UA Plumbers and Fitters Local 675 and PAMCAH — covering the plumber, refrigeration/air-conditioning and steamfitter/welder trades — plus an Associated Builders and Contractors (ABC Hawaii) plumber apprenticeship and the state's sheet metal program.

The HVAC-side trade our research found on that list is the JATC's refrigeration/air-conditioning program.

We did not compile every registered program in Hawaii; DLIR's list and apprenticeship.gov are the places to check, and one question worth asking any program is who registered it.

Two different things come up here, and only one applies to apprentices.

The apprenticeship itself is the registration: a registered program registers with the federal Office of Apprenticeship or a State Apprenticeship Agency acting for DOL — in Hawaii, DLIR, under HRS chapter 372.

Hawaii's licensed-trade rules define an apprentice by that registration: the plumbing rules define an apprentice as a person registered under chapter 372 who works under a licensed journey worker or master plumber.

There is no state license for individual HVAC technicians to hold — the Board of Electricians and Plumbers licenses only electricians and plumbers, and HVAC work sits at the contractor level, under the C-52 specialty class.

Workers paid only wages are exempt from contractor licensing, so a technician employed by a licensed C-52 contractor needs no license of their own.

The federal layer is EPA 608: anyone who could reasonably be expected to violate the integrity of a refrigerant circuit while maintaining, servicing, repairing or disposing of appliances containing CFC/HCFC or non-exempt substitute refrigerants must pass an exam from an EPA-approved technician certification program, and apprentices are exempt only while closely and continually supervised by a certified technician.

On DLIR's list, the union program for these trades is the Honolulu JATC of UA Plumbers and Fitters Local 675 and PAMCAH, approved for the plumber, refrigeration/air-conditioning and steamfitter/welder trades.

Local 675's apprenticeship site describes a five-year program: 10,000 work hours plus ten semesters of related classroom instruction.

Our research captured the program's overall shape, not the entry rules for each trade, so ask the JATC what its refrigeration/air-conditioning intake currently requires.

The same DLIR list includes Hawaii's registered sheet metal apprenticeship, run by the Hawaii Joint Apprenticeship Committee for the Sheet Metal Industry — a joint committee of the Sheet Metal Contractors Association and Sheet Metal Workers Local 293.

The non-union program our research found on DLIR's September 2025 list is the Associated Builders and Contractors (ABC Hawaii) plumber apprenticeship — plumbing, not HVAC.

Our research found no non-union refrigeration/air-conditioning program on it; that is what our sources show as of September 2025, not proof that none exists, and a Hawaii contractor may run a registered program our research did not find.

The test for any employer program is the same as for a union one: ask who registered it.

A registered program registers with the federal Office of Apprenticeship or a State Apprenticeship Agency acting for DOL — in Hawaii, you can confirm a program with DLIR — and completing one earns a certificate issued by the registration agency.

Registered apprenticeship pairs on-the-job learning with related technical instruction — the classroom side of the program.

The confirmed Hawaii commitment is Local 675's: ten semesters of related classroom instruction alongside 10,000 work hours.

Beyond that, our research did not name the colleges or training centers that deliver classroom hours for Hawaii's HVAC-side apprenticeships, so confirm the classroom side with the sponsor you apply to and with DLIR.

The federal benchmarks are these: DOL recommends a minimum of 144 hours of related technical instruction per year of apprenticeship, which is a recommendation, not a requirement; an apprenticeable occupation must require at least 2,000 hours of on-the-job learning; and program terms may be time-based, competency-based, or a hybrid of both.

Start with the registered names: the Honolulu JATC of UA Plumbers and Fitters Local 675 and PAMCAH for refrigeration/air-conditioning — its site, plumbershawaii.com, describes the five-year program — ABC Hawaii for plumbing, and the Sheet Metal JAC for sheet metal.

Then check DLIR's registered list and search apprenticeship.gov for programs our research did not confirm by name.

Federal floors set the basics: a registered apprentice must be at least 16 years old unless a higher minimum age is set by law, the federal rules set no maximum age, and sponsors can add their own entry requirements.

If you are accepted, expect a probationary period no longer than 25% of the program length or 1 year, whichever is shorter, a progressively increasing wage schedule tied to skill with an entry wage not below the federal minimum wage where applicable, and, at completion, a certificate issued by the registration agency — a credential, but not a license.

Our research did not capture the Hawaii programs' application steps, deadlines or fees, so confirm each with the sponsor.

Our guide to how to get a hvac apprenticeship walks the application step by step.