Construction Trade Exam Research Area

Master HVAC/R Contractor

Apply for the License

Maryland State Board of HVACR Contractors
500 N. Calvert St., Room 302
Baltimore, MD  21202
Phone: (410) 230-6270
Contractor Licensing Web Site

Exam Administrator

PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas # of
Electrical Knowledge, Motors, and Controls 20
Piping 15
Refrigeration and Air Conditioning 25
Heating Systems 20
Air Distribution Systems 15
Safety 5

Total Number of Test Questions: 100
Time Allowed (Minutes): 240


Books Allowed in the Exam

1. International Mechanical Code, 2012, ICC. Doc Link
2. Modern Refrigeration and Air Conditioning, 19th or 20th Edition, 2013, Althous, Turnquist, Bowditch, Bracciano. Buy at Amazon
3. Manual J - Residential Load Calculations, 2006, ACCA. Buy at Amazon
4. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), GPO - OR - (OSHA) Selections by PSI, (latest amendments). Buy from PSI
5. ACCA Ductulator (Duct Slide Rule), ACCA. Buy from PSI

Recommended Study Materials

Maryland • Master HVACR Contractor
Product Name Value  
Comprehensive Tutorial price PDF File Info
Practice Tests ( 3 ) price PDF File Info
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Recommended DVD Study Courses

DVD Title Price  
OSHA (2 disc set) price Link to disc description
Supplemental Material DVD-ROM FREE Link to disc description
Electrical Math price Link to disc description
Go to OSHA Resources

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