Mississippi HVAC License Requirements
Your complete guide to HVAC licensing in Mississippi, including who needs a license, what it costs, and how to apply.
Mississippi HVAC License Summary
- Last updated: August 20, 2026
- Written by: James R. Leichter
- Reviewed by: Aptora Staff
License Types in Mississippi
Mechanical
Covers all aspects of heating, cooling, refrigeration, piping, ductwork, and associated mechanical and plumbing work on commercial projects.
Specialty: Heat, Ventilation, Air Conditioning
Covers installation, maintenance, repair, fabrication, alteration, and extension of HVAC systems on commercial projects.
Specialty: Ductwork for Heating, A/C and Ventilation
Required for contractors installing, maintaining, and repairing unlimited ductwork used in heating, air conditioning, and ventilation systems.
Specialty: Boiler Installation and Repair
Required for contractors installing, maintaining, and repairing boilers, hot-water heating systems, and associated gas and steam piping.
Specialty: Refrigeration
Required for contractors performing installation, maintenance, and repair of commercial and industrial refrigeration systems and associated equipment.
Residential HVAC
Required for contractors performing installation, maintenance, and repair of heating, ventilation, and air conditioning systems on residential structures.
Residential Mechanical
Required for contractors performing combined installation, maintenance, and repair of both residential HVAC and residential plumbing systems.
Requirements Overview
Requirements may vary by license type
- Submit completed MSBOC application
- Document completed HVAC projects
- Provide three reference letters
- Pass required licensing exams
- Demonstrate financial responsibility
- Maintain general liability insurance
- Carry workers’ compensation, if applicable
- Pay required licensing fees
Cost & Timeline Overview
Cost and timeline may vary by license type
$440 - $1,100
Estimated Cost Estimated upfront licensing costs
2 - 6 weeks
Estimated Timeline Typical time to complete licensing
Every Year
Renewal Cycle How often renewal is required
2 Hours
Continued Education Ongoing education to maintain licensure
Average Salary & Wages for HVAC Tech in Mississippi
Based on the latest data from the U.S. Bureau of Labor Statistics and industry reports.
$53,020
Avg. Annual Salary Average yearly earnings for an HVAC technician
$70,360+
Top Earners' Salary Potential earnings for the top 10% of HVAC techs in the field
290+
Job Openings / Year Current HVAC hiring demand based on active job listings
HVAC Technician Salary by Experience
Top HVAC Training Programs & Schools
Reciprocity
Out-of-State Reciprocity
MSBOC waives trade exams for qualifying HVAC contractors licensed in reciprocating states like AL, LA, OH, SC, and TN upon application review.
Local Permits & Rules
Cities and counties may have additional permit requirements.
Common Mistakes
- Failing to complete required continuing education
- Bidding jobs over limits without a license
- Failing to provide required financial statements
- Forgetting local municipal permits and registrations
- Missing annual renewal deadline with MSBOC

