Licensing Exams by Trade Name

Michigan
Ductwork

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Michigan LARA
Division of Mechanical Licensing
611 W. Ottawa St
Lansing, MI 48933
Phone:  (517) 241-9316
Pre-Approval Notice
Licensing Agency Site
Exam Provider
PSI Services LLC
Michigan Mechanical Exams
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone  (855) 579-4635
Michigan Mechanical PSI Site
Exam Type
OPEN  BOOK
Exam Content
Subject Areas
NOT PUBLISHED
Total number of test questions:
55
Time allowed (hours):
1.0
Scope of Work

Installation of air distribution systems for supply, return and exhaust in air conditioning and in non- air conditioning systems, installation of chimneys, flue, vents and knowledge of codes and standards.  Installation of various types of air distribution systems in both commercial and residential settings along with the installation of chimneys, flues and venting and exhaust duct systems.  Installed metal duct, flexible duct, underground PCD and fiberglass duct board.

Books Allowed in the Exam
1.
Michigan Mechanical Code (discounted), 2021, ICC
Buy from ICC
2.
Michigan Residential Code (discounted), 2015, ICC
Buy from ICC
3.
HVAC Duct Construction Standards - Metal and Flexible, 4th Edition, 2020, SMACNA
Buy at Amazon
4.
Manual J: Residential Load Calculations, 8th Edition, ver 2.50, 2016 (previouss versions superceded), ACCA
Buy at Amazon
5.
Fibrous Glass Duct Construction Standards, 7th Edition, SMACNA
Buy from ICC
6.
Michigan Skilled Trades Regulation Act, Public Act 407, 2016
Web Page Link
7.
Michigan Stille-Derossett-Hate Single State Construction Code, Act 230 of 1972, Michigan DOL
PDF File Link

NOTICE:  The reference PDF file dated 8/1/24 contains duplicate and conflicting book titles and versions for reference #3.

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June-2025