Construction Trade Exam Research Area

HVAC/R Contractor - Class B
ICC Exam # 451

Apply for the License

Arkansas HVAC Board
4815 West Markham
Little Rock, AR  72205
Phone:  (501) 661-2642
Arkansas Contractors Licensing Board

Exam Administrator

ProV, Inc.
5200 NW 43rd St, Suite 102-167
Gainsville, FL  32606
Phone: (866) 720-7768
Candidate Information Page

Exam Type


Exam Content

Subject Areas % of
Basic Heat Calculations and Terminology 18
Types of Systems 6
Installation Requirements 22
Insulation 4
Venting 12
Combustion Air 6
Electrical 10
Ducts 12
Law and Administration 10

Total number of test questions: 50
Time allowed (hours): 3.0


Books Allowed in the Exam

1. Modern Refrigeration and Air Conditioning, 18th Edition, 2004, Althous, Turnquist, Bowditch, Bracciano. Buy at Amazon
2. Arkansas Fuel Gas Code, 2006 Edition, ICC. Doc Link
3. Arkansas Mechanical Code, 2010 Edition, ICC. Doc Link
4. National Electrical Code (NFPA-70), 2008, NFPA Doc Link
5. Arkansas HVAC/R Law, Title 17, Chapter 33 Doc Link
6. Arkansas HVAC/R Rules and Regulations, Acts 277 and 96. Doc Link

Recommended Study Materials

Arkansas • HVAC/R Contractor - Class B
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