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Journeyperson HVAC / Refrigeration with Gas

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Plumbing and Mechanical Systems Board
Iowa Department of Health

321 East 12th Street
Des Moines, IA 50319
Phone: (515) 281-7689
Plumbing and Mechanical Licensing Link

Exam Administrator

Kirkwood Community College
6301 Kirkwood Blvd SE
Cedar Rapids, IA  52406
Phone: (319) 398-7768 or (319) 398-5529
Candidate Information
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Exam Type


Exam Content

Subject Areas% of
HVAC Principles, Terms, Administration and Safety21
HVAC Installation Requirements15
Venting, Combustion, Gas Piping23
Boilers, Ducts, Electricals17
Refrigeration, Terms, System Operations24
Total number of test questions:
Time allowed (hours):

Books Allowed in the Exam

International Mechanical Code, 2018, ICC
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Modern Refrigeration and Air Conditioning, 19th Edition, Althous, Turnquist, Bowditch, Bracciano
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NFPA 54: National Fuel Gas Code, 2018, NFPA
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