Does Nevada Require an HVAC License? Who Licenses HVAC Work Instead

For workers, no: Nevada issues no state HVAC technician or journeyman license.

What the state does require is a contractor license: the Nevada State Contractors Board (NSCB) licenses contracting companies, and the license belongs to the business, not the qualifying individual.

HVAC work is contracted under NSCB classification C-21, Refrigeration and Air-Conditioning.

And Nevada's exemption for repair and maintenance work under $1,000 explicitly does not cover work of the type performed by refrigeration, heating or air-conditioning contractors, so that work needs a licensed contractor regardless of job size.

Nevada has no state worker levels — our research found no state journeyman or master HVAC credential.

The state's ladder sits at business level: NSCB classification C-21 (Refrigeration and Air-Conditioning) comes in subclassifications C-21a Refrigeration, C-21b Air-conditioning, C-21c Sheet metal, C-21d Maintenance, C-21e Solar air-conditioning, C-21f Chilled and hot water systems and C-21g Industrial piping.

C-21b covers installation, repair, service and maintenance of air-conditioning equipment and related ductwork; C-21d (Maintenance) does not allow replacing complete condenser assemblies on remote systems, air handlers, or work that alters the design of an existing system.

Heating, evaporative cooling and air-circulation work sits in C-1f (Heating, cooling and circulating air), which does not authorize cooling systems that use refrigeration.

Locally, Clark County has required a Journeyman HVAC Mechanic card, while Reno requires journeyman certificates only for electrical and plumbing work — no HVAC card.

There is no state hours-or-schooling requirement to meet, because there is no state worker license to qualify for.

The requirements that exist are local and at the contractor rung.

Clark County's Journeyman HVAC Mechanic card has been exam-based — ICC exam 459, 80 multiple-choice questions, keyed to the 2009 Uniform Mechanical Code — per the 2014 ICC bulletin our research rests on.

For the NSCB C-21 license, the business must name a qualifying individual with at least 4 full years of experience as a journeyman, supervising employee or contractor in the classification within the 15 years before applying; training at an accredited college, university or a Board-accepted program such as an apprenticeship certificate can replace up to 3 of those 4 years.

As of September 2026 the NSCB charges a $300 application fee and a $600 biennial license fee.

Two different exams matter, and neither is a state technician exam.

Clark County's card has been tested through ICC exam 459 — 80 multiple-choice questions, keyed to the 2009 Uniform Mechanical Code — under the same 2014 bulletin.

At the contractor rung, PSI administers both NSCB exams: a Business and Law (CMS) exam, which is open book on the Construction Business and Law Manual for Nevada, and a trade exam that is closed book except for certain code references listed in the content outline.

Applicants get three attempts per exam, must wait 2 weeks between attempts, and a third failure voids the application; reapplication is possible after 30 days.

The trade exam's content outline is where those code references are listed; our research did not capture the outline itself — check the exam information the NSCB and PSI publish before you schedule.

It depends which credential you hold, because there is no state technician license to renew.

Nevada contractor licenses are issued for two years and renewed every two years.

On continuing education: our search of NRS 624, NAC 624 and the NSCB pages found no continuing-education requirement for contractor license renewal, so confirm with the Board rather than planning a CE cycle.

Locally, Clark County's Journeyman HVAC Mechanic cards renewed every 3 years with at least 1.5 CEUs (15 hours) of instruction tied to the Uniform Mechanical Code — again per the 2014 bulletin, so verify the current cycle with Clark County Building & Fire Prevention.

There is no state worker card to transfer: an out-of-state technician has no Nevada license to convert, and the state's requirement falls on the business — the contractor must be licensed by the NSCB.

At the contractor rung, Nevada offers licensure by endorsement — a qualifier who has been actively licensed for 4 years in an equivalent classification in another state, with no discipline, can have the trade exam and experience certification waived, but must still pass the Nevada Business and Law exam.

On the Board's State Equivalency Chart, C-21 is matched to Arizona CR-79, California C-20 plus C-38, Connecticut S-1 and Louisiana Mechanical Work (Statewide), while Florida CM Mechanical Contractor holders still take the Nevada trade exam.

The NASCLA exam waiver does not help here: it covers general building classifications, not C-1 or C-21 trade exams.

Through the Nevada State Contractors Board: the board's site carries its public license search, though our research could not confirm the exact search-page URL.

Because the Nevada license belongs to the business rather than the individual, you are checking the company — start at nvcontractorsboard.com and search before you take a job with, or hire, a contractor whose license you cannot confirm.

Worker-level rules are local, and they vary.

Clark County (Las Vegas area) has required HVAC workers to hold a Journeyman HVAC Mechanic ID card, tested through ICC exam 459 — our only source for that rule is a June 30, 2014 ICC bulletin, so check Clark County Building & Fire Prevention for the current requirement.

The City of Reno requires journeyman certificates for electrical and plumbing work but issues no separate HVAC journeyman card.

State law also lets any county or incorporated city require an additional local contractor license on top of the NSCB license.

Our research did not check Henderson, North Las Vegas or Washoe County, so ask the building department where the work is done.

Our research found no Nevada-issued HVAC certification — the certification that matters here is federal.

Under Section 608 of the Clean Air Act (40 CFR 82.161), any person who could reasonably be expected to violate the integrity of the 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.

The certifications come as Type I, Type II, Type III and Universal; Universal covers all the appliance types described for Types I, II and III.

This certification is a federal credential, not a Nevada license or a Clark County card.