North Dakota HVAC License Requirements (2026)

North Dakota does not issue a state-level HVAC trade license. There is no Master HVAC or Journeyman HVAC credential under North Dakota law, and the state has no dedicated HVAC board. HVAC contractors instead operate under the general North Dakota Secretary of State contractor license (Class A, B, C, or D — required for any project valued at $4,000 or more under NDCC 43-07), federal EPA Section 608 refrigerant certification (required nationwide for anyone handling refrigerants), and local city or county mechanical permitting where applicable. Some North Dakota cities — notably Fargo, Bismarck, Grand Forks, and Minot — operate their own mechanical contractor registrations and inspections, so always verify local requirements before bidding.

Governing Authority

North Dakota Secretary of State — Contractor Licensing Division (ND SOS) administers and enforces this credential under the authority of North Dakota Century Code Chapter 43-07 (Contractors). The North Dakota Secretary of State licenses general contractors statewide under NDCC 43-07. A contractor license is required for any project valued at $4,000 or more. The state issues four monetary classes (A, B, C, D) based on maximum project value. Electrical and plumbing trades are licensed separately by their respective state boards.

Official portal: https://sos.nd.gov/business/contractor-licensing
Address: 600 E Boulevard Avenue, Department 108, Bismarck, ND 58505-0500
Phone: (701) 328-2900

Eligibility Requirements

An applicant qualifies only after meeting the age floor of 18 and producing a valid Social Security Number. No North Dakota residency requirement for the SOS contractor license.

Good moral character

The Secretary of State reviews applications for prior license discipline and misrepresentation.

Background investigation

Disclosure of prior license discipline and felony convictions is required on the SOS application. EPA 608 has no background check.

Experience & Education Matrix

No fixed number of years of experience is set out in the cited sources for this credential; instead, the controlling requirement is No statutory state experience requirement. North Dakota does not regulate HVAC as a trade, so no state-mandated apprenticeship or hour count exists. Local jurisdictions may impose their own..

Accepted proof of experience or eligibility

EPA Section 608 certification card (Type I, II, III, or Universal)
SOS contractor license financial statement
Certificate of general liability insurance
Local mechanical contractor registration where required (Fargo, Bismarck, Grand Forks, Minot)

Education substitution

Not applicable — no state experience requirement to substitute against.

Examination Structure

EPA-approved Section 608 testing organizations (ESCO Institute, ICE, RSES, others) for refrigerant certification. No state HVAC trade exam. runs the examination for this credential. Issuance is contingent on passing every part below:

EPA Section 608 Core (federal, required for all refrigerant work) — 25 questions, 60 minutes, passing score 70%
EPA Section 608 Type I (small appliances) — 25 questions, 60 minutes, passing score 70%
EPA Section 608 Type II (high-pressure) — 25 questions, 60 minutes, passing score 70%
EPA Section 608 Type III (low-pressure) — 25 questions, 60 minutes, passing score 70%

Examination fee: $20 – $150 depending on EPA-approved testing organization. No North Dakota state exam fee.

Retake policy: Failed Section 608 sections may be re-taken per the testing organization's policy. Universal certification requires passing Core plus all three Types.

Insurance & Financial Security

This credential carries no state-level surety bond requirement under the cited sources. Individual jobs may still trigger a permit or public-works bond, which should be verified before bidding.

General liability

Required by the Secretary of State as part of the contractor license application. Most carriers issue $300,000 to $1,000,000 policies.

Workers' compensation

Workers compensation coverage through North Dakota Workforce Safety and Insurance (WSI) is mandatory for any business with employees. North Dakota is a monopolistic state — coverage must come from WSI.

Additional financial requirements

A current financial statement is required for the SOS contractor license at the chosen class (A, B, C, or D).

Application and License Fees

Fee	Amount
Application (non-refundable)	$100
Examination	$50
Initial license	$450
Renewal (every year)	$450

Maintenance & Renewal

Expect to renew the North Dakota — No State HVAC License (SOS Contractor License + EPA 608) every year. Renewal currently costs $450. SOS contractor licenses expire March 1 annually. EPA 608 is a one-time federal certification.

Continuing education: No state continuing education for HVAC. EPA Section 608 certification does not expire. Local jurisdictions may require CE.

Downloadable Asset

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

Download the PDF roadmap →

Reciprocity and Endorsement

North Dakota does not accept the NASCLA Accredited Examination for this classification.

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

Because North Dakota issues no state HVAC credential, there is nothing to reciprocate at the state level. EPA Section 608 certification is federal and valid in all 50 states. Local jurisdictions set their own reciprocity, if any.

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

Step-by-Step Application Roadmap

Confirm North Dakota has no state HVAC license. There is no Master HVAC or Journeyman HVAC credential under North Dakota law. Do not pay any vendor claiming to issue a North Dakota state HVAC license.
Obtain EPA Section 608 certification. Federal requirement for anyone handling refrigerants. Take the test through an EPA-approved organization (ESCO Institute, ICE, RSES, etc.). Universal certification covers all equipment types.
Choose the SOS contractor license class. Class A (no cap, $500,000+), B (up to $500,000), C (up to $300,000), or D (up to $100,000). Required for any project valued at $4,000 or more.
Register the business with the Secretary of State. Domestic entities file articles; out-of-state entities register as a foreign business.
Open a North Dakota WSI workers compensation account. Required if the business has employees. North Dakota is monopolistic — coverage must come from WSI.
Submit the SOS contractor license application. File with the financial statement, certificate of liability insurance, and class fee.
Check local mechanical permitting. Fargo, Bismarck, Grand Forks, and Minot operate their own mechanical contractor registrations and inspections. Verify before bidding any job in those jurisdictions.

Common Filing Mistakes

Based on the board's own instructions and the sources cited here, the problems below are what most often stall a North Dakota HVAC application.

Paying for a fake "North Dakota HVAC license"

No such credential exists. Vendors claiming to issue a state HVAC license for North Dakota are misrepresenting the law. Verify directly with the Secretary of State.

Skipping EPA Section 608

EPA 608 is federal and required before purchasing or handling any refrigerant. The federal penalty for non-compliance reaches $44,539 per violation.

Bidding $4,000+ jobs without the SOS contractor license

NDCC 43-07 makes it unlawful to bid or contract any project at $4,000 or more without a current contractor license. The threshold applies to HVAC work.

Ignoring local mechanical registration

Fargo, Bismarck, Grand Forks, and Minot run their own mechanical contractor registries. The state SOS license alone is not enough to pull permits in those cities.

Buying workers comp from a private carrier

North Dakota is monopolistic. Workers compensation must be purchased from WSI, not a private insurer.

Study and Reference Materials

These are the preparation and reference materials tied to this credential — cited by the regulator or widely used by applicants. CLR earns nothing from listing them.

EPA Section 608 Technician Certification Study Guide — ESCO Institute. Standard preparation for the federal Section 608 examination.
North Dakota Century Code Chapter 43-07 — State of North Dakota. Governing statute for the Secretary of State contractor license.
International Mechanical Code — International Code Council. Adopted by most North Dakota local jurisdictions for mechanical permitting.

Pre-Submission Checklist

The most critical documents or confirmations the applicant should have in hand before filing with ND SOS:

☐ EPA Section 608 certification card (Type I, II, III, or Universal)
☐ Business registered with North Dakota Secretary of State
☐ Certificate of general liability insurance
☐ North Dakota WSI workers compensation account (if any employees)
☐ Current financial statement for the chosen SOS contractor class
☐ Completed SOS contractor license application
☐ Local mechanical contractor registration (Fargo, Bismarck, Grand Forks, Minot, others)

Other North Dakota Trade Licenses

Should the HVAC path not apply, these other North Dakota trade guides from CLR may help:

Frequently Asked Questions

Does North Dakota require an HVAC license?

No. North Dakota does not issue a state HVAC trade license. HVAC contractors operate under the Secretary of State contractor license, EPA Section 608 federal certification, and local mechanical permitting.

Is EPA Section 608 still required in North Dakota?

Yes. EPA Section 608 is a federal requirement enforced nationwide for anyone purchasing, handling, or recovering refrigerants. North Dakota does not waive this.

Do I need any state license to install HVAC systems in North Dakota?

For projects valued at $4,000 or more, the North Dakota Secretary of State contractor license is required under NDCC 43-07. The license class depends on maximum project value.

Do North Dakota cities require HVAC registration?

Some do. Fargo, Bismarck, Grand Forks, and Minot operate their own mechanical contractor registrations and inspections. Always verify with the local building department before bidding.

Can I work as an HVAC technician in North Dakota without any license?

You may work as an employee on small jobs without state licensure, but you still need EPA Section 608 to handle refrigerants. To bid jobs at $4,000 or more, the SOS contractor license is required.

Primary Sources

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

Verified 2026-05-02 · Next scheduled review 2026-07-31