Maryland HVACR Contractors License (Master, Journeyman)

Requirements to Obtaining your License.

• An applicant shall have been regularly and principally employed in providing heating, ventilation, air-conditioning, or refrigeration services under a journeyman, journeyman restricted, limited, or master restricted license for not less than 3 years of active experience under the direction and control of a master heating, ventilation, air-conditioning, and refrigeration contractor and have been so employed for not less than 1,875 hours in the year prior to application.
• An applicant shall provide general liability insurance in the amount of at least $300,00 and property damage insurance in the amount of at least $100,000.

Journeyman HVACR License

• An applicant shall have held, for a period of at least 3 years, an apprentice license, and during that period shall have completed at least 1,875 hours of training in providing heating, ventilation, air-conditioning, and refrigeration services under the direction and control of a licensed contractor.
• A jouneyman does not need to obtain individual insurance.

Work that can be Done Under this License

“Licensed contractor” means a contractor who is licensed by the Board to provide heating, ventilation, air-conditioning, or refrigeration services, but does not include a licensed apprentice or licensed journeyman.

“Master license” means a license issued by the Board to provide heating, ventilation, air-conditioning, or refrigeration services.

“Journeyman license” means a license issued by the Board to provide heating, ventilation, air-conditioning, and refrigeration services while under the direction and control of a licensed contractor.

Applying to get your License

To apply for a license, contact the Maryland Board of HVACR Contractors at

500 North Calvert Street, 3rd Floor
Baltimore, MD 21202

1-410-230-6159.

The application/license fees are as follows:

• $75 for a master license;
• $20 for a journeyman license for each place of business of the contractor.

Reciprocity Agreements

Continuing Education

Exam Details

• The Maryland HVACR Master and Journeyman Contractor exams have 100 questions and a time limit of 240 minutes.
• The Limited HVACR Contracto exam has 50 questions and a time limit of 120 minutes.
• All exams require a 70% to pass.
• Topics on the examinations include electrical knowledge, motors and controls; piping; refrigeration and air conditioning; heating systems; air distribution systems and safety.
• The fee for the exam is $150 and pre-approval is required.
• To schedule your exams, contact PSI at 1-800-733-9267.

Books and References for the Exam

The following references are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted. They are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

• 2003 International Mechanical Code
• ACCA Ductulator
• Manual J
• Modern Refrigeration and Air Conditioning
• OSHA Code of Federal Regulations Part 1926
• Ugly’s Electrical References

Exam Review, Training, Education

We offer review for the Master Master and Journeyman HVAC examinations in a home study/tutorial format. The fee for the study guide is $150. This study guide includes sample figures, questions, as well as a highlighting guide for the approved references. For more information, or to order, contact our office at 1-800-952-0910.