New Mexico HVAC License Requirements (2026)

New Mexico’s Construction Industries Division (CID) licenses heating, ventilation, and air-conditioning contracting under MM-3. MM-3 covers HVAC air-handling and refrigeration equipment, piping, ductwork, accessories, and limited controls. MM-4 is a separate heating, cooling, and process-piping classification, not a generic refrigeration-only license. A licensed HVAC business needs a CID-certified qualifying party; individual workers performing mechanical work generally need the appropriate journeyman certificate unless working as supervised apprentices. CID’s refrigeration journeyman certificate is JR, while sheet-metal work is JSM—there is no current “JM-1 Journeyman Mechanical” classification in the reviewed rule.

Regulatory Body

New Mexico Regulation and Licensing Department — Construction Industries Division (CID) administers and enforces this credential under the authority of NMSA 1978, Chapter 60, Article 13; 14.6.3, 14.6.4 and 14.6.6 NMAC.. CID licenses construction businesses, certifies qualifying parties and journeymen, and administers construction-industry rules.

Official portal: https://www.rld.nm.gov/construction-industries/
Address: 2550 Cerrillos Road, Santa Fe, NM 87505
Phone: (505) 476-4500

Eligibility Requirements

Applicants must be at least 18 years old. Check the current application for identification and tax-number requirements. The reviewed CID rule requires a business entity to be legally authorized to do business in New Mexico; it does not establish a general residency rule. Confirm current application identity and tax-registration documents with PSI/CID.

Good moral character

CID may deny a license or certificate for specified disqualifying felony convictions or conduct that violates the Construction Industries Licensing Act or rules.

Background investigation

Follow the current CID/PSI application. This audit does not claim a universal fingerprint requirement.

Experience and Education

Eligibility requires 4 years of An MM-3 qualifying party must have four years of practical or related HVAC-trade experience within the ten years immediately before application. The relevant mechanical journeyman classifications, including JR (refrigeration) and JSM (sheet metal), generally require two years unless otherwise stated. Qualifying technical training may count at one-half year of experience per training year, up to one-half of the total required experience., documented and independently verifiable. Payroll, tax, project, and supervisor records are the usual proof the board will accept.

Accepted proof of experience or eligibility

CID/PSI qualifying-party or journeyman application
Work-experience affidavit(s) required by CID/PSI
Training documentation when claiming a permitted training credit
For JR, evidence of required EPA recovery compliance

Education substitution

Qualifying technical training may receive one-half-year experience credit for each training year, but cannot exceed one-half of the applicable work-experience requirement.

Exam Requirements

Testing provider or authority: CID or its current designee, PSI.. The following examination requirements cover the pathways described in this guide; follow each part's classification, waiver, and local-scope conditions. Unpublished format details do not remove an examination requirement:

MM-3 qualifying-party trade examination — question count: confirm with the authority, timing: confirm with the authority, passing score: confirm in the current candidate bulletin
Contractor Business and Law examination or CID-approved Business and Law course (qualifying party) — question count: confirm with the authority, timing: confirm with the authority, passing score: confirm in the current candidate bulletin
Applicable mechanical journeyman examination (for example, JR or JSM) — question count: confirm with the authority, timing: confirm with the authority, passing score 75%

Examination fee: The current CID page lists a $36 qualifying-party application/experience-affidavit fee and a separate $36 company application fee. It directs applicants to the current PSI candidate bulletin and registration form for examination fees.

Retake policy: A journeyman applicant who misses or fails an examination may reapply and pay the fee, but may not take the same examination more than twice in a 30-day period. CID says a passing score is valid for one year for the company-license application.

Insurance and Bonds

A contractor license surety bond of $10,000, on the CID's prescribed form, is a precondition to issuance.

General liability

This audit found no CID rule establishing a statewide general-liability minimum for MM-3. Project owners, lenders, or local authorities may set separate insurance requirements.

Workers' compensation

CID’s current application guidance says workers’ compensation coverage is required for licensed entities. Confirm the business’s obligations directly with the New Mexico Workers’ Compensation Administration.

Additional financial requirements

CID requires a $10,000 surety bond from a corporate surety authorized in New Mexico at initial licensing and renewal. The bond must remain effective through the licensing period; this audit does not state an unsupported financial-statement requirement.

Fee Schedule

Fee	Amount
Application	$36
Initial license	No separate amount recorded; confirm in the fee guidance
Renewal (every 2 years)	No separate amount recorded; confirm in the fee guidance

To turn these board fees into a realistic year-one budget — bond premium, liability insurance, and exam prep included — open the cost calculator preloaded for New Mexico hvac.

Renewal and Continuing Education

Renewal of the New Mexico MM-3 HVAC Contractor and Mechanical Journeyman Certificates comes due every 2 years. The cited state source set does not list a separate statewide renewal fee. The statute generally provides a two-year contractor-license period, subject to CID’s expiration system. Journeyman certificates expire on the date set by CID, no later than three years from the month issued. Verify the exact credential expiration date and current fee on the renewal notice.

Continuing education: For contractor licenses, CID may require renewal education under the Construction Industries Licensing Act; follow the current renewal form. JR and JSM journeyman renewal requires 16 approved hours, including at least eight hours on the current CID code enforced for the classification.

Downloadable Asset

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

Download the PDF roadmap →

Reciprocity

The NASCLA Accredited Examination is not accepted by New Mexico for this classification.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

CID’s current reciprocity notice says the only reciprocated journeyman classification is EE-98J electrical. Do not assume MM-3, JR, JSM, or another mechanical credential receives a reciprocal examination waiver; obtain written CID confirmation.

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

HVAC Licensing in Neighboring States

Contractors working near a state line, or weighing where to qualify first, should compare New Mexico's requirements against the bordering jurisdictions before committing to an application:

Arizona HVAC License Requirements — Arizona Air Conditioning and Refrigeration Contractor (C-39, R-39R, or CR-39)
Colorado HVAC License Requirements — Colorado HVAC — local mechanical contractor licensing; EPA Section 608 where applicable
Oklahoma HVAC License Requirements — Oklahoma Mechanical HVAC/R Journeyman and Contractor License
Texas HVAC License Requirements — Texas Air Conditioning and Refrigeration Contractor License (Class A or Class B)
Utah HVAC License Requirements — Utah H100 HVAC Contractor License

Step-by-Step Application Roadmap

Match the work to the CID classification. MM-3 is HVAC. Evaluate MM-4 or another classification separately when the project includes its distinct process-piping or other regulated scope.
Document qualifying experience. For the MM-3 qualifying-party route, document four years within the preceding ten years. For an individual mechanical journeyman path, select the appropriate certificate and document its experience requirement.
Submit CID/PSI materials. Submit the current application and work-experience affidavit(s) for approval before scheduling the applicable examination.
Complete required examinations. A qualifying party needs the MM-3 examination and the Contractor Business and Law examination or approved course. A journeyman applicant takes the examination for the actual certificate sought.
Meet refrigeration-specific requirements. For a JR certificate, show EPA recovery compliance before CID issues the certificate. Determine whether federal refrigerant rules apply to the work you will perform.
License and maintain the business. Submit the company application, $36 application fee, tax registration, organizational records if applicable, qualifying-party evidence, and the $10,000 license bond.

Application Checklist

The items below are the ones worth confirming before the application is filed with CID:

MM-3 and any additional-scope classification decision
Required experience evidence and CID/PSI affidavit(s)
Applicable CID/PSI application fee
MM-3 trade and Business and Law results or approved course for contractor licensing
Appropriate mechanical journeyman examination result when pursuing an individual certificate
EPA recovery-compliance evidence for JR
$10,000 New Mexico corporate-surety bond for the contractor
Tax registration and entity documents required for the company application
Workers’ compensation compliance and local permits where applicable

Common Filing Mistakes

Drawn from the board instructions and sources cited on this page, the pitfalls below are the ones most likely to slow down or sink a New Mexico HVAC application.

Treating MM-4 as a refrigeration-only credential

MM-4 is a distinct heating, cooling, and process-piping scope; the individual refrigeration certificate is JR.

Applying as “JM-1”

The current classification rule instead lists specific mechanical certificates such as JR and JSM. Match the application to the actual work.

Using the wrong experience threshold

The MM-3 contractor qualifying-party path requires four years; the relevant mechanical journeyman classifications generally require two years.

Assuming out-of-state reciprocity

CID’s current notice identifies electrical EE-98J only. Obtain a written CID answer before relying on a mechanical credential.

Treating the bond as general liability insurance

CID’s $10,000 contractor bond is a licensing requirement, not a substitute for insurance required by a customer or another authority.

Study and Reference Materials

What follows are the regulator-cited and commonly used preparation references for this trade. They appear here for convenience only; CLR takes no compensation for them.

14.6.6 NMAC — classifications and scopes — New Mexico State Records Center and Archives. Use this to separate MM-3 HVAC, MM-4 process piping, and the relevant journeyman certificate.
Current PSI New Mexico candidate information bulletin — PSI / CID. Obtain current examination references, format, fees, and scheduling instructions after experience approval.
Construction Industries Licensing Act and CID rules — New Mexico. Review contractor, bond, qualifying-party, and journeyman rules.

Other New Mexico Trade Licenses

CLR covers other New Mexico trades as well — the published guides below may be more relevant:

Frequently Asked Questions

Which New Mexico license covers HVAC?

MM-3 is the CID Heating, Ventilation and Air Conditioning classification. Its scope includes HVAC air-handling and refrigeration equipment, piping, ductwork, accessories, and limited controls.

Is MM-4 a refrigeration-only license?

No. MM-4 is the separate Heating, Cooling and Process Piping classification. CID’s individual refrigeration journeyman certificate is JR.

Does New Mexico issue a JM-1 mechanical certificate?

The current CID classification rule identifies certificates such as JR and JSM, rather than a JM-1. Choose the credential that matches the work and employer’s contractor classification.

How much experience does an MM-3 qualifying party need?

Four years of practical or related HVAC-trade experience within the ten years immediately before application.

Does New Mexico reciprocate HVAC credentials?

CID’s current notice identifies only EE-98J electrical as a reciprocated journeyman classification. Confirm any mechanical reciprocity request in writing with CID.

Primary Sources

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

Verified 2026-09-04 · Next scheduled review 2026-12-03

Report a correction to this guide

Corrections and presentation updates

2026-09-30: Corrected examination detection when format details are unpublished and updated the summary layout and requirements score. Source-check dates are unchanged.
2026-09-08: Shared template updated to distinguish unspecified eligibility requirements, retain cost qualifications, and use consistent headings. Source-check dates are unchanged by presentation updates.
2026-09-21: Local-only guides now use a compliance-focused structure and terminology instead of implying a statewide license application. Source-check dates are unchanged by this presentation update.