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
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (855) 898-0715
The exam content shown below only lists main category headings. Please consult the PSI exam bulletin from the button below for more detailed information about subject sub-categories.
|Subject Areas||# of|
|Electrical Knowledge, Motors and Controls||15|
|Refrigeration and Air Conditioning||10|
|Air Distribution Systems||5|
Total number of test questions:
Time allowed (minutes):
Books Allowed in the Exam
International Mechanical Code, 2012 or 2018, ICC
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Manual J: Residential Load Calculations, 8th Edition, ver 2.50, ACCA
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI
ACCA Ductulator (Duct Slide Rule), ACCA
Available Study Materials
PSI OSHA Selections
Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (hightlighted in green above).
This file contains approx. 800 sample questions.
REMINDER: PSI uses this book for many exams they offer. Not all sections of this code will apply to your exam.