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State Requirements

HVAC License Requirements
in Maryland

Everything you need to know about HVAC licensing in Maryland — from required certifications and exams to experience thresholds and application steps.

License RequiredEPA 608 RequiredCE: 16 hrs

Key Takeaways

Maryland requires a state HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Licensing typically requires up to 6 years of documented experience.

  • State license: Required
  • EPA 608 certification: Required (federal)
  • 2 license types available
  • Continuing education: 16 hours
  • Regulated by: Maryland Department of Labor – Board of HVACR Contractors
License Types
Maryland HVAC Licenses
Maryland offers 2 license types for HVAC professionals. Review the requirements for each below.
HVAC Journeyman License
Required for HVAC technicians performing installations and repairs.
Experience: 4 yearsExam required: Yes
Complete an approved apprenticeship or equivalent experience
Pass the state journeyman exam
HVAC Master License
Required to operate an HVAC business and supervise journeymen.
Experience: 6 yearsExam required: Yes
Hold a valid journeyman license for at least 2 years
Pass the state master HVAC exam
Regulatory Authority
Regulatory Body
Maryland Department of Labor – Board of HVACR Contractors
Visit Official Website →
Additional Notes
Maryland requires HVAC journeyman and master licenses. The Board of HVACR Contractors oversees licensing and continuing education.
Data source: Licensing requirements sourced from official state regulatory body publications and verified against ACCA (Air Conditioning Contractors of America) state licensing guides. EPA Section 608 requirements per 40 CFR Part 82. Last verified: June 2026. Licensing rules change — always confirm requirements directly with Maryland Department of Labor – Board of HVACR Contractors before applying.
Related
Maryland Salary Data →Maryland HVAC Programs →Maryland Apprenticeships →
Next Step
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Maryland.
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