Licensing Exams by Trade Name

Maryland Limited HVACR Contractor

Apply for the License
Maryland State Board of HVACR Contractors
500 N. Calvert St., Room 201
Baltimore, MD  21202
Phone: (410) 230-6231
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (855) 898-0715
Exam Type
OPEN  BOOK
Exam Content

The official exam bulletin is published and maintained by PSI.  Bulletin content (subjects covered in the exam) and file names for PDFs change regularly.  Always set your “favorite” or “bookmark” to the landing page we have linked above.  Candidates should always review the current exam information on the PSI website before applying or testing.

Books Allowed in the Exam
1.
International Mechanical Code, 2012, ICC
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2.
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
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3.
Manual J: Residential Load Calculations, 8th Edition, ver 2.50, 2016 (previous versions superceded), ACCA
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4.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
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5.
ACCA Ductulator (Duct Slide Rule), 2009, ACCA
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Available Study Materials
This study guide only covers the OSHA portion of the PSI exam.
PSI OSHA Selections, 2013
Study Guide
$49.95
We advise that you NOT purchase the PSI published book shown in the exam bulletin.  We recommend a better, up-to-date allternative on our Study Guides purchase page linked below.

The button below will take you to the details about our 800 question Study Guides and provide you with a FREE "Reference Navigator" document that allows you to more accutately decide which sections of the federal code applies to your exam.  PSI does not provide this information.
Go to OSHA Guide buy page
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