Mississippi HVAC License Renewal: Deadlines, Fees and CE

The Commercial HVAC / Mechanical contractor (Certificate of Responsibility) (Mississippi State Board of Contractors (MSBOC)) renews every year and has a renewal fee of about $400. The Residential HVAC / Residential Mechanical (Mississippi State Board of Contractors (MSBOC)) renews every year, has a renewal fee of about $100 and requires 2 hours of continuing education. Fees change, so check the official site for the exact amount.

Full rule details

Verified dataLast checked Oct 17, 2026, next review due July 2027

Informational: verify with the issuing board.

Remind me before it expires How reminders work

Commercial HVAC / Mechanical contractor (Certificate of Responsibility)

Mechanical (major) / HVAC, Refrigeration · State license · Mississippi State Board of Contractors (MSBOC)

Remind me before this expires

Renew on the official site 601-354-6161 / 800-880-6161

Renewal cycle: Every year
Continuing education: Not required
Deadline rule: Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility.

Show fees, grace period, bond and insurance

Grace period: Commercial license may be renewed as a late renewal for up to 180 days after expiration.

Fees, approximate

Renewal fee: About $400
Late fee: Show the details (amounts are approximate)
About $50 late fee when renewed after expiration (total about $450 instead of about $400 per MSBOC commercial renewal form; fee schedule lists Commercial License Renewal - Late Fee about $50).
Reinstatement: Show the details (amounts are approximate)
Expired more than 180 days: cannot be renewed; a new application (and new application fee/exams as applicable) is required. Active/inactive status change costs about $25; inactive licensees must still pay annual renewal.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond: Not required
Insurance: General liability certificate of coverage with minimum $300,000 per occurrence and $600,000 aggregate; named insured must match license name and MSBOC must be listed as certificate holder (cancellation notice). Workers' compensation certificate if required by law. Proof of Mississippi Secretary of State good standing (not required for sole proprietors). Balance sheet showing net worth of at least $50,000 for a major classification or $20,000 for a specialty classification is required at renewal.
Reciprocity: Reciprocity waives the trade exam only; every applicant still takes the Mississippi Business and Law exam and meets all other requirements. Agreements that can waive an HVAC exam: Alabama Heating and Air (current license, Alabama exam taken), Alabama General Contractors Board (can waive HVAC but not Mechanical or Plumbing), Louisiana (passed Louisiana exam scores accepted for HVAC, not Mechanical or Plumbing; the formal agreement has ended), Ohio CILB (HVAC and Refrigeration) and Tennessee (all exams, including Mechanical and Plumbing). Arkansas does not waive mechanical or HVAC exams. Conditions (current license, exam taken, discipline history) vary by agreement.

Notes

MSBOC classification 'Mechanical' (major) covers heating, cooling, refrigeration, ductwork, boilers, piping and plumbing; specialty 'Heat, Ventilation, A/C - HVAC', 'Refrigeration', 'Ductwork' require trade tests. HVAC contractors must hold state license for commercial jobs over $50,000; smaller jobs fall to local requirements. Required for commercial work over $50,000 (including equipment installation) by contractors and subcontractors; fire sprinkler work requires a license over $5,000 public / $10,000 private. Fee: $400 renewal covers the license; each additional classification is $100 (added by form). Qualifying party must be an owner, officer or responsible managing employee who passed the exam; may qualify at most 3 companies; replacement within 90 days if qualifier leaves. The MSBOC application and renewal forms do not require a surety bond.

HighLast checked Oct 17, 2026

Sources (8)

Track this renewal

Add your Mississippi HVAC license to ClearLicensed and we will email you 90, 60, 30, 14, 7 and 1 day before it expires.

Start the free trial Or have our team file it for you

Residential HVAC / Residential Mechanical

Residential HVAC; Residential Mechanical · State license · Mississippi State Board of Contractors (MSBOC)

Remind me before this expires

Renew on the official site 601-354-6161 / 800-880-6161

Renewal cycle: Every year
Continuing education: 2 hours
Show CE rules
Each qualifying party for a residential license must complete 2 credit hours of continuing education from a board-approved provider/instructor per Miss. Code Ann. 73-59-11; applies to residential licenses issued on or after July 1, 2015 (not to inactive status). Proof of each qualifier's CE submitted with renewal. Approved providers listed on MSBOC site.
Deadline rule: Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility.

Show fees, grace period, bond and insurance

Grace period: Residential license may be renewed as a late renewal for up to 180 days after expiration.

Fees, approximate

Renewal fee: About $100
Late fee: Show the details (amounts are approximate)
About $10 late fee when renewed after expiration (total about $110 instead of about $100 per MSBOC residential renewal form; fee schedule: Residential License Renewal - Late Fee about $10).
Reinstatement: Show the details (amounts are approximate)
Expired more than 180 days: cannot be renewed; new application required (about $50 application fee). Active/inactive status change costs about $25; inactive licensees must still pay annual renewal.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond: Not required
Insurance: General liability certificate of coverage required; MSBOC sets no minimum coverage amount for residential license holders. The insured name must match the license and MSBOC must be listed as certificate holder. Workers' compensation certificate if required by law.
Reciprocity: MSBOC reciprocity waives the trade exam only (all applicants take the MS Business & Law exam): Alabama (Home Builders Licensure Board etc.), Georgia, Florida, North Carolina, South Carolina Residential Builders Commission, Tennessee and others per classification; see reciprocity page. Military Family Freedom Act and Universal Recognition of Occupational Licensure Act provisions also apply.

Notes

Residential HVAC license limited to residential HVAC work; Residential Mechanical covers residential HVAC and plumbing (both tests required). Subcontractors performing residential electrical, mechanical, HVAC, or plumbing work on residential projects are required to be licensed by MSBOC (FAQ). Required for new residential construction over $50,000 and residential remodeling/additions or roofing over $10,000. Renewal $100; $110 if renewed after expiration (up to 180 days). Documents: GL certificate (no minimum coverage amount for residential licenses; MSBOC listed as certificate holder), Secretary of State good standing (non-sole-proprietors), workers' comp certificate if required by law, and proof of each qualifier's 2 hours CE.

HighLast checked Oct 17, 2026

Sources (9)

The hours, required topics, approved providers and reporting rules for each license are on the Mississippi HVAC continuing education page.

How to renew

1Check your Commercial HVAC / Mechanical contractor (Certificate of Responsibility) deadline: Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility.
2Confirm your insurance meet the board requirements and are not expiring.
3Renew online at https://secure.msboc.us/applications/login.cfm
4Pay the renewal fee on the official site. Expect about $400, but fees change.
5If you miss the deadline: About $50 late fee when renewed after expiration (total about $450 instead of about $400 per MSBOC commercial renewal form; fee schedule lists Commercial License Renewal - Late Fee about $50).
6Check your Residential HVAC / Residential Mechanical deadline: Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility.
7Complete 2 continuing education hours before renewing. Each qualifying party for a residential license must complete 2 credit hours of continuing education from a board-approved provider/instructor per Miss. Code Ann. 73-59-11; applies to residential licenses issued on or after July 1, 2015 (not to inactive status). Proof of each qualifier's CE submitted with renewal. Approved providers listed on MSBOC site.
8Pay the renewal fee on the official site. Expect about $100, but fees change.
9If you miss the deadline: About $10 late fee when renewed after expiration (total about $110 instead of about $100 per MSBOC residential renewal form; fee schedule: Residential License Renewal - Late Fee about $10).

Mississippi HVAC renewal questions

Answers come from the records above. Informational: verify with the issuing board.

When does a Mississippi HVAC license expire?

Commercial HVAC / Mechanical contractor (Certificate of Responsibility): renews every year. Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility. Residential HVAC / Residential Mechanical: renews every year. Annual; license is valid one year and expires on the date printed on the certificate of licensure (anniversary-based, not a fixed calendar date). MSBOC emails renewal notices (email only beginning 2026) about 60 days before expiration; renewing is the licensee's responsibility. Check with Mississippi State Board of Contractors (MSBOC) before you rely on it.

How many CE hours does a Mississippi HVAC license need?

Commercial HVAC / Mechanical contractor (Certificate of Responsibility): no CE required. Residential HVAC / Residential Mechanical: 2 hours per renewal. Check with Mississippi State Board of Contractors (MSBOC) before you rely on it.

Is there a grace period for a Mississippi HVAC license?

Commercial license may be renewed as a late renewal for up to 180 days after expiration. Check with Mississippi State Board of Contractors (MSBOC) before you rely on it.

How much does it cost to renew a Mississippi HVAC license?

Commercial HVAC / Mechanical contractor (Certificate of Responsibility): About $400. Fees change. Check the official site for the exact amount.

What happens if a Mississippi HVAC license expires?

About $50 late fee when renewed after expiration (total about $450 instead of about $400 per MSBOC commercial renewal form; fee schedule lists Commercial License Renewal - Late Fee about $50). Fees change. Check the official site for the exact amount.

Does Mississippi accept HVAC licenses from other states?

Reciprocity waives the trade exam only; every applicant still takes the Mississippi Business and Law exam and meets all other requirements. Agreements that can waive an HVAC exam: Alabama Heating and Air (current license, Alabama exam taken), Alabama General Contractors Board (can waive HVAC but not Mechanical or Plumbing), Louisiana (passed Louisiana exam scores accepted for HVAC, not Mechanical or Plumbing; the formal agreement has ended), Ohio CILB (HVAC and Refrigeration) and Tennessee (all exams, including Mechanical and Plumbing). Arkansas does not waive mechanical or HVAC exams. Conditions (current license, exam taken, discipline history) vary by agreement. Check with Mississippi State Board of Contractors (MSBOC) before you rely on it.

Sources

Spot something out of date?

Informational only. Check it with the issuing board. Licensing rules, deadlines and CE requirements change, fee amounts are approximate, and this page can be out of date. It is not legal advice, and we are not affiliated with any state board. Read the disclaimer.

This information is here to help you plan, not to replace the board. Fee amounts are approximate and may be out of date. Deadlines and continuing education rules change too, sometimes without much notice. Always confirm with your licensing board and its official site before you rely on a date or an amount. This is not legal advice.

Free trial

Keep your Mississippi HVAC license current.

Try Basic free for 14 days. No credit card.

Start the free trial See pricing