Navigating Arkansas's HVAC licensing landscape requires staying abreast of significant, recent legislative changes. In 2025, the state's HVAC/R licensing structure underwent significant updates, including changes to available license classes and continuing education requirements. HVAC/R contractor licensing in Arkansas is administered by the Arkansas HVAC/R Board under the Arkansas Department of Labor and Licensing (at labor.arkansas.gov/labor/code-enforcement/hvac-r/), which handles testing, licensing, rules, and applications. The Arkansas Contractors Licensing Board (ACLB) oversees general construction contractors — confirm which board governs your specific license class directly with the Department of Labor and Licensing.
Is an HVAC License Required in Arkansas?
Yes, a state-issued mechanical contractor license is required to perform most HVAC/R work in Arkansas. HVAC/R contractor licensing is administered by the Arkansas HVAC/R Board under the Arkansas Department of Labor and Licensing. This license is necessary for projects involving heating, ventilation, air conditioning, and refrigeration systems. It ensures that contractors meet state standards for safety, competency, and financial responsibility.
What Are the Arkansas HVAC License Classes and Their Scopes?
The Arkansas HVAC/R Board under the Department of Labor and Licensing currently issues Class A, Class B, Class D, Class E, and Class L (Lifetime) Mechanical Contractor licenses. Confirm the full current classification structure and any recent changes directly with the board.
Class A Mechanical Contractor License
A Class A license permits work on HVAC/R systems of any size and value. It is the highest level of licensure and allows contractors to bid on and perform unlimited commercial and residential projects.
Class B Mechanical Contractor License
A Class B license authorizes work on smaller-scale systems. Effective August 1, 2025, the scope of the Class B license was expanded to include HVAC/R equipment up to 25 tons cooling capacity or 1 million BTUH heating input, and refrigeration systems of 15 horsepower or less per unit.
Class D Mechanical Contractor License
The Class D license authorizes a specific scope of HVAC/R work. Confirm the exact scope, experience requirements, and financial requirements for Class D directly with the Arkansas HVAC/R Board.
Class E Mechanical Contractor License
The Class E license authorizes a specific scope of HVAC/R work. Confirm the exact scope, experience requirements, and financial requirements for Class E directly with the Arkansas HVAC/R Board.
Class L "Lifetime" Mechanical Contractor License
The Class L license is available to applicants who meet all of the following eligibility requirements:
- At least 65 years of age.
- Hold a current Class A, B, D, or E Arkansas HVAC/R license in good standing.
- Have held an Arkansas HVAC/R license continuously for at least 10 consecutive years.
This license has a limited scope.
- Permitted Work: Service and maintenance on air conditioning systems up to 15 tons or 1 million BTUH heating, and refrigeration systems of 15 horsepower or less.
- Prohibited Work: Does not permit the installation or replacement of original or existing HVAC/R equipment.
- Employment Limitation: Does not allow the holder to employ registrants to perform HVACR work.
Repealed Licenses
- Class C HVAC/R License: The Class C license is no longer offered by the Arkansas HVAC/R Board. Contact the board to confirm the transition timeline and any grandfathering details for previously issued Class C licenses.
- HVAC/R Electrician License: The HVAC/R Electrician license is no longer offered. Under current Arkansas HVAC/R rules, licensed HVAC/R contractors may perform HVACR electrical work within 75 feet of the final electrical connection to an HVAC or refrigeration unit from an existing electrical panel, provided the work meets all applicable electrical codes and local requirements.
Arkansas HVAC License Requirements by Class
Requirements for an Arkansas HVAC license vary significantly by class and include age, experience, financial stability, and examination.
General Eligibility Requirements (All Applicants)
- Must be at least 18 years old.
- Must be of good moral character.
- Experience: At least two (2) years of experience as an HVAC/R contractor or as an employee of one. The Board may substitute Board-approved educational training for the experience requirement.
- General liability insurance: Minimum $250,000 coverage for an individual licensee, or $250,000 per licensed employee under an employer-provided policy. Registrants and Class L (Lifetime) holders are exempt.
Class A Mechanical Contractor Requirements
A Class A license permits unlimited HVAC/R work and is the top classification. Beyond the general eligibility requirements above (the two-year experience minimum and $250,000 general liability insurance), applicants must pass the Class A examination. Confirm any additional financial-responsibility requirements directly with the Arkansas HVAC/R Board before applying.
Class B Mechanical Contractor Requirements
Effective August 1, 2025, the Class B scope expanded (see above). Class B applicants must meet the same general eligibility requirements (the two-year experience minimum and $250,000 general liability insurance) and pass the Class B examination.
Class L "Lifetime" Mechanical Contractor Requirements
- Must be at least 65 years of age.
- Must hold a current Class A, B, D, or E Arkansas HVAC/R license in good standing.
- Must have held an Arkansas HVAC/R license continuously for at least 10 consecutive years.
- Contact the Arkansas HVAC/R Board for details on the application process and any fees for obtaining a Class L license.
How to Apply for an Arkansas HVAC License (Step-by-Step)
Obtaining an Arkansas HVAC license involves a multi-step application process with the Arkansas HVAC/R Board, typically starting with verifying requirements, preparing documentation, and submitting an application.
- Verify Requirements and Obtain Forms: Download the most current application packet and instructions directly from the official Arkansas HVAC/R Board website to ensure you are meeting all current criteria.
- Gather Required Documentation: Prepare a complete package of all necessary documents, which typically includes:
- Proof of age (e.g., driver's license).
- Documentation of required work experience.
- Financial statements or other proof of financial responsibility.
- A certificate of general liability insurance ($250,000 minimum).
- Business registration documents and any criminal background check forms required by the Arkansas HVAC/R Board.
- Complete the Application Form: Fill out the application form legibly and completely, ensuring all information is accurate.
- Pay Application and License Fees: Annual license fees are Class A $200, Class B $150, Class D $150, and Class E $150; the Class L (Lifetime) license carries no charge, and the annual Registrant fee is $25.
- Submit Your Application: Mail the completed application and all supporting documents to the Arkansas HVAC/R Board.
- Await Application Review: The board will review your application for completeness and verify you meet the minimum qualifications.
- Schedule and Pass the Exam: Once your application is approved, you will receive information on how to schedule your required examination.
Arkansas HVAC License Exam Details
All applicants for a new Arkansas HVAC license must pass a state-administered examination demonstrating competency in their chosen license class.
- Exam Provider: Arkansas HVAC/R contractor examinations are proctored by Prov.
- Exam Content: The exam covers topics relevant to the license class, including the 2021 International Mechanical Code (IMC) (adopted in Arkansas effective July 1, 2022), business and law, and trade-specific knowledge. Confirm the passing score, number of questions, and time limit with the Arkansas HVAC/R Board or Prov.
- Exam Fees: A minimum of $55 per written exam or $100 per computerized exam.
- Scheduling: Once your license application is approved, you will be authorized to schedule your exam with the testing provider.
- Retake Policy: Confirm the waiting period and any fees required to retake the exam with the Arkansas HVAC/R Board or exam provider.
How Much Does an Arkansas HVAC License Cost?
The total cost to get an Arkansas HVAC license includes license fees, examination fees, and the cost of general liability insurance.
- Annual License Fees: Class A $200, Class B $150, Class D $150, Class E $150; Class L (Lifetime) no charge; Registrant $25 per year.
- Exam Fees: Minimum $55 per written exam or $100 per computerized exam.
- General Liability Insurance: Minimum $250,000 coverage required; premiums depend on coverage level, business size, and claims history. (Registrants and Lifetime holders are exempt.)
- Renewal Fees: Licenses renew annually at the same fee as the license class. A late penalty of $10 per month applies to expired licenses.
Arkansas HVAC License Renewal and Continuing Education
Arkansas HVAC licenses require annual renewal and mandatory continuing education to maintain active status.
- Renewal Cycle: Licenses must be renewed annually. Confirm the specific renewal deadline with the Arkansas HVAC/R Board.
- Continuing Education Requirements: Licensees must complete at least 4 hours of approved continuing education per calendar year. The 2025 statute authorizes the board to set a maximum of 8 hours per ICC IMC code cycle if CE is required — confirm the current active requirement directly with the Arkansas HVAC/R Board.
- Late Renewal Penalties: For expired licenses, a late fee of $10.00 per month will be assessed. After 36 months, the license is voided, and the applicant must pay all past due fees and penalties and retake the exam to be reinstated.
Arkansas HVAC License Reciprocity
Arkansas currently has no reciprocal HVAC/R licensing agreements with any other state.
All applicants — regardless of their licensing status in another state — must meet Arkansas's full experience, examination, financial, and insurance requirements and submit a complete application to be licensed in Arkansas.
What Happens if You Work Without an Arkansas HVAC License?
Performing HVAC/R work in Arkansas without the proper license can lead to severe penalties, including fines and legal action. The board is authorized to assess penalties up to $1,000.00 per violation, on a per-day basis. Unlicensed contracting can also result in cease-and-desist orders and prevent you from legally collecting payment for work performed.