Do you need a license to do HVAC work in Mississippi?

Yes. Mississippi requires a state-issued HVAC contractor license to perform HVAC work. Experience in the HVAC trade required; confirm exact requirements with the Mississippi State Board of Contractors.

How much does an HVAC license cost in Mississippi?

Application fee: $400 commercial, $50 residential. License issuance, exam, and renewal fees — confirm current amounts with MSBOC.

How often do you renew an HVAC license in Mississippi?

Annual (every one year). Late renewal accepted up to 180 days after expiration; after 180 days a new application is required.

Does a Mississippi HVAC license transfer to other states?

HVAC-specific trade exam reciprocity confirmed with: Alabama, Louisiana, Ohio, South Carolina, Tennessee. Arkansas excludes HVAC; GA/NC not confirmed for HVAC. B&L exam always required.

How to Get an HVAC License in Mississippi (2026 Guide)

To work as an HVAC contractor in Mississippi, you must understand the specific project value thresholds that trigger the state's licensing requirement. The Mississippi State Board of Contractors (MSBOC) requires a license for most significant projects, and this guide will walk you through the classifications, requirements, and application process to ensure you operate legally and successfully.

Do You Need an HVAC License in Mississippi?

Yes, a state-issued HVAC Contractor license from the Mississippi State Board of Contractors (MSBOC) is required for most significant HVAC work, with specific monetary thresholds dictating when the license is necessary.

A state license is mandatory for any of the following project types:

Residential Remodels: Projects valued at $10,000 or more.
New Residential Construction: Projects valued at $50,000 or more.
Commercial Work: Projects valued at $50,000 or more.

Any HVAC work on projects with values below these state thresholds falls under the authority of local city or county jurisdictions, which may have their own separate registration or licensing requirements.

What Are the Mississippi HVAC License Classifications?

Mississippi issues a primary classification for HVAC work designated as HVAC Contractor. This classification allows a contractor to perform work involving heating, ventilation, air conditioning, and refrigeration systems. The MSBOC further distinguishes between residential and commercial licenses based on the project value and type, which determines the scope of work you are legally allowed to perform.

Mississippi HVAC Contractor License Requirements

To qualify for an HVAC Contractor license in Mississippi, you must meet criteria for experience, financial stability, and insurance coverage, and you must register your business with the state.

General Eligibility

Age: Confirm the minimum age requirement with the MSBOC.
Legal Status: Must be legally able to work in the United States.

Experience Requirements

Applicants must provide proof of relevant experience in the HVAC trade.
The board evaluates applications based on demonstrated skills and work history. Confirm the specific experience requirements with the MSBOC.

Financial & Business Requirements

Financial Responsibility: Applicants must submit a financial statement as proof of financial stability. Confirm the specific type of financial statement required (e.g., whether it must be audited or reviewed by a CPA) with the MSBOC.
Business Registration: Your business must be registered and in good standing with the Mississippi Secretary of State.

Insurance & Bonding Requirements

General Liability Insurance: Commercial applicants must carry a minimum of $300,000 per occurrence and $600,000 aggregate. Residential license holders have no minimum GL requirement per the MSBOC.
Surety Bond: A surety bond may be required. Confirm the required bond amount and conditions with the MSBOC.
Public Works Projects: For public works contracts, specific insurance and bonding minimums apply. The threshold for requiring performance and payment bonds on public projects is $75,000. Confirm current public works insurance requirements with the MSBOC.

Federal EPA Section 608 Certification

While not a state license, federal law requires anyone who maintains, services, repairs, or disposes of equipment that could release refrigerants into the atmosphere to hold an EPA Section 608 Technician Certification. This is a mandatory prerequisite for legally handling refrigerants in any state, including Mississippi. Certifications are available in four types:

Type I: For small appliances.
Type II: For high-pressure appliances.
Type III: For low-pressure appliances.
Universal: For all types of appliances.

How to Get Your Mississippi HVAC License: Step-by-Step Application Process

Follow these steps to apply for your HVAC Contractor license with the Mississippi State Board of Contractors.

Meet Experience & Financial Requirements: Before applying, ensure you have documented proof of your trade experience and have prepared the required financial statements.
Obtain Business Registration: Register your business entity (e.g., LLC, Corporation, Sole Proprietorship) with the Mississippi Secretary of State and obtain proof of good standing.
Complete the License Application: Download and fill out the official Commercial or Residential Contractor application from the MSBOC website.
Gather Supporting Documents: Compile all necessary documentation, which typically includes:
- Proof of experience.
- Financial statements.
- Certificate of General Liability Insurance.
- Proof of business registration.
- Any other documents required by the MSBOC, such as a background check authorization; confirm with the board.
Submit Application and Fees: Submit your completed application packet and the required application fee to the MSBOC for review.
Receive Exam Approval: Once the board approves your application, you will receive notification that you are eligible to sit for the required examinations.
Pass Required Examinations: Schedule and pass both the HVAC trade exam and the Mississippi Business and Law exam through the state's approved testing provider.
Receive Your License: After passing the exams and submitting any final required documents (like proof of insurance), the MSBOC will issue your HVAC Contractor license.

How Much Does an HVAC Contractor License Cost in Mississippi?

Applicants should budget for several fees associated with the Mississippi HVAC licensing process. The primary costs include:

Application Fee: $400 for a commercial license; $50 for a residential license. Paid to the MSBOC when submitting your application.
Examination Fees: Paid directly to the testing provider for both the HVAC trade exam and the Business and Law exam. Confirm the current exam fee amounts with the testing provider.
License Issuance Fee: A fee may be required upon successful completion of all requirements before the license is issued. Confirm the current license issuance fee with the MSBOC.
Other Costs: Additional expenses may include business registration fees, the cost of obtaining a surety bond, and insurance premiums.

Mississippi HVAC License Exam Details

Passing two separate exams is required to obtain an HVAC contractor license in Mississippi.

Exam Provider: Both the HVAC trade exam and the Mississippi Business and Law exam are administered by PSI. Exams are open book.
Required Exams:
1. HVAC Trade Exam: This exam tests your technical knowledge of heating, ventilation, air conditioning, and refrigeration systems, including installation, maintenance, repair, and relevant codes.
2. Mississippi Business and Law Exam: This exam covers state-specific laws and regulations related to running a construction business in Mississippi, including labor laws, tax regulations, lien laws, and project management principles.
Exam Format: Confirm the number of questions, time limit, and minimum passing score for each exam with the testing provider.
Scheduling & Retaking: After your application is approved by the MSBOC, you will receive instructions on how to schedule your exams. Information regarding retake policies is available from the testing provider.

How Long Does it Take to Get an HVAC License in Mississippi?

The time it takes to get an HVAC license in Mississippi can vary from several weeks to a few months. The total duration depends on several factors, including the time required to gain the necessary experience, how quickly you can compile your application and supporting documents, the MSBOC's application processing time, and your ability to schedule and pass the required exams promptly.

Mississippi HVAC License Renewal and Continuing Education

Mississippi HVAC contractor licenses must be renewed annually to remain active.

Renewal Cycle: Licenses are valid for one year from the date of issuance and must be renewed annually. The specific expiration date is listed on your certificate.
Renewal Process: Beginning in 2026, the MSBOC sends all annual renewal notices exclusively via email approximately 60 days before the expiration date on your certificate. It is your responsibility to maintain a current email address with the board.
Late Renewal: A license may be renewed as a late renewal up to 180 days after the expiration date. A license that has been expired for more than 180 days cannot be renewed — a new application is required.
Continuing Education: Confirm whether continuing education is required for renewal, and if so, the number of hours and approved topics, with the MSBOC.

Reciprocity for Mississippi HVAC Licenses

Mississippi offers reciprocity for the trade portion of the exam with several other states, which can streamline the licensing process for out-of-state contractors.

Reciprocity in Mississippi means that if you hold an equivalent license in good standing from a partner state, the MSBOC may waive the requirement for you to take the HVAC trade exam.

States with HVAC Trade Exam Reciprocity:
- Alabama (Heating and Air)
- Louisiana (exam-score recognition for HVAC)
- Ohio (HVAC)
- South Carolina (Residential HVAC)
- Tennessee (HVAC)

Note: Arkansas explicitly excludes mechanical/HVAC from its reciprocity waiver. Georgia and North Carolina do not have confirmed HVAC-specific trade exam waivers with Mississippi. Confirm the current reciprocity list with the MSBOC before applying.

Penalties for Unlicensed HVAC Work in Mississippi

Operating as an HVAC contractor in Mississippi on projects that exceed the state's monetary thresholds without a valid license is illegal. Penalties can be severe and may include substantial fines, stop-work orders issued by the MSBOC, and the inability to file a lien or take legal action to collect payment for work performed.

Verifying a Mississippi HVAC License

You can verify the status of an HVAC contractor's license by using the official online search tool on the Mississippi State Board of Contractors (MSBOC) website. This allows consumers and general contractors to confirm that a contractor is properly licensed and in good standing with the state.

Frequently Asked Questions

Is a license required to work as an HVAC/Mechanical Contractor in Mississippi?

Yes, Mississippi requires a state license from the State Board of Contractors (MSBOC) for residential remodels over $10,000 and for new residential or any commercial work valued at $50,000 or more.

What are the requirements to be an HVAC technician in Mississippi?

While technicians working under a licensed contractor may not need a state contractor license themselves, they must obtain federal EPA Section 608 certification to handle refrigerants. To become a licensed HVAC contractor, you must meet experience, financial, and insurance requirements, pass a trade exam, and pass the Mississippi Business and Law exam.

What exams do I need to pass for an HVAC license in Mississippi?

You must pass two exams: the HVAC trade exam, which covers technical knowledge, and the Mississippi Business and Law exam, which covers state-specific regulations for contractors.

How much is an HVAC license in Mississippi?

The total cost includes an application fee paid to the MSBOC, separate fees for the trade and business exams paid to the testing provider, and potential license issuance fees. You must also account for the costs of insurance, bonding, and business registration. Confirm all current fee amounts with the MSBOC.

How often do I need to renew my Mississippi HVAC license?

HVAC contractor licenses in Mississippi must be renewed annually — the license is valid for one year from the date of issuance. Starting in 2026, all renewal notices are sent exclusively by email approximately 60 days before your expiration date. A license can be late-renewed up to 180 days after expiration; after that, a new application is required.

Which states have HVAC license reciprocity with Mississippi?

Mississippi offers HVAC-specific trade exam reciprocity with Alabama, Louisiana, Ohio, South Carolina, and Tennessee. Arkansas explicitly excludes HVAC from its reciprocity waiver; Georgia and North Carolina do not have confirmed HVAC-specific waivers. All reciprocal applicants must still pass the Mississippi Business and Law exam. Confirm the current list with the MSBOC before applying.

Is EPA 608 a state license in Mississippi?

No, EPA Section 608 certification is a mandatory federal requirement for anyone who handles refrigerants, not a state-issued license. While it is required for HVAC work, it is separate from the contractor license issued by the Mississippi State Board of Contractors.

How much general liability insurance is required for HVAC contractors in Mississippi?

Commercial HVAC contractor applicants must show general liability coverage of at least $300,000 per occurrence and $600,000 aggregate. Residential license holders have no minimum GL requirement. For public works projects, confirm current insurance minimums with the MSBOC.