• CertificationCertification:
    Commercial Mechanical Inspector through ICC (International Code Council)
  • PrerequisitesPrerequisites:
  • RequirementsRequirements:
  • Course LengthCourse Length:
    40 Hours Online Training
  • Required BooksRequired Books:
    International Mechanical Code
    IMC Turbo Tabs
    International Fuel Gas Code and Tab Combo
  • Relevant IndustriesRelevant Industries:
    All Commercial Construction
    Public/Private Projects
    County/City Building Departments
    Code Inspection
ICC Icon
40 Hours
4.0 CEUs/PDHs

Full Course Includes

120 Day Course Access
120 Day Course Access
Visual Online Curriculum
Visual Online Curriculum
Spaced Repetition Review
Spaced Repetition Review
Personal Coaching Passing Guarantee
Quizzes and Tests
Targeted Quizzes & Practice Tests
Audio Instruction
Insightful Audio Instruction
Photos, Graphics, and Illustrations
Photos, Graphics, & Illustrations

Pricing Options

Commercial Mechanical Icon


120-Day Access

40 Hours

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Bundle Courses and Save Money!
Commercial Bundle Icon


Commercial Building
Commercial Mechanical
Commercial Electrical
Commercial Plumbling

1+ Year Access
185 Hours

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User Reviews

Passed both M2 and M3 Exams with Course!

I actually met the two of you (Gabe & Chris) at the EduCode conference in Vegas! I didn't have my business card on me at the time but I work for a building dept. in Delaware. You guys helped me get all of the plumbing certs and now the mechanical certs that ICC offers. I'll be going for electrical next. I'm really glad you guys offer this training, it's hard to come by!

Btw, your practice tests were harder than the ICC mechanical inspector test I took, and about the same level difficulty as the plans examiner test, just to let you know.

I passed the commercial mechanical inspector and plans examiner tests btw, thanks to your program here!

Corey S.

Washington, DC

Passed the M2 Exam!

Today I passed the exam, thanks so much for everything!

Mohammad R.

New York, NY

I am a structural engineer by profession. Thank you for this training.

The training has really saved me a lot of time. I am a civil engineer with a structural emphasis and your material was very good and accurate. The plan reading part was very helpful to me to prepare for this test. Now that I've passed Reinforced Concrete with you, I'm doing your PT course. Believe me this has saved me a tremendous amount of time.

Alex T.

Henderson, NV

Questions on the exam were similar to the practice tests

Hi Gabe,

I took the International Mechanical Code M2 test this morning and passed!! I am so grateful to you and your company. Your modules were broken down to an understandable level. I really appreciate you giving me extra days to study!! I am still using it to check what answers I might have chosen incorrectly. There were questions on the exam that were very similar to the quiz and Practice tests in the course. Many questions on the two practice tests at the end were much harder than the actual exam, which I believe was a great help.

Three guys from my class for Plumbing Inspector are taking your course for IMC Commercial M2 now. They failed the Exam the first time because they had used a different company. One guy said nothing in the course was on his exam. Funny thing is, "everything" on the exam was taught by you! You actually taught a lot more data and really useful information that will definitely be of use in the future. Sorry for the long email. Can't tell you how happy I am today because of you!!

Patrick D.

Chatham, NJ

Their customer support is unbelievable!

David W.

This app is perfect and their customer support is unbelievable! All I had to do was follow the class, step by step, and I passed all 3 tests (first try) to become a reinforced concrete inspector. I was extremely nervous about the plans-reading test, but I passed that as well.

I was especially impressed with how helpful these guys are when I had questions. They always respond within a day or two and answer all my questions, even after my paid class had ended. I am now taking their masonry class and so far it is equally impressive. I highly recommend these classes.

David W.

Saint George, UT

Finally, I passed Reinforced Concrete.

Besim H.

Hey Gabe, I just called you to tell you I finally passed this test! You know how hard this has been for me and what I've gone through, particularly since English isn't my first language. I am extremely grateful for everything you have done. There's no way I would have passed this test without you. If you're ever in Washington and need a place to stay let me know. Now on to PT with SI Certs.

Besim H.

Mill Creek, WA

Personal Coaching

Phil Jankovich, PhD, PE
Phil Jankovich, PhD, PE
Commercial Mechanical Course Developer

This certification requires no prior work experience or other certifications. It demonstrates an understanding of the International Mechanical Code and Fuel Gas Code for those currently working in a building department, seeking to work for one, or who work for a code inspection firm, expanding on special inspection certifications into the building inspection realm.

The ICC M2 Commercial Mechanical Inspector certification belongs in the Commercial Inspection Suite, also expressed as the C5 Commercial Combination designation – inclusive of Commercial Building, Commercial Mechanical, Commercial Electrical, and Commercial Plumbing certifications.

This course walks a user through understanding the complex and overlapping Mechanical and Fuel Gas Codes. With many examples, visuals, and practice, one can grasp the enormity of these code references, the depths to which they cover in the construction process, and understand practical application for field inspection.

Our training will get you ready for the test with 40 hours of online instruction and practice. I’m also one click away from any coaching you may need!

Course Summary

Online Training Hours40 Hours
CEU/PDH4.0 Units
Access Time120 Days
AccessibilityAnytime, Anywhere (not instructor-dependent)
PlatformVisual Online Curriculum
CoachingChat Messaging
AssessmentsQuizzes/Practice Tests
Audio InstructionYes
Code InstructionYes

Course Breakdown

Commercial Mechanical Icon

Commercial Mechanical Inspection Code Test

40 hours of training | 120 days access

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Course Features


  • IMC & IFGC Scope & Navigation
  • Water Heaters & Boilers
  • Ventilation & Exhaust Systems
  • Duct Construction, Dampers
  • Fuel Burning Systems
  • Venting, Connections, & Compliance
  • Heating Appliances
  • Fuel Gas Piping System & Connections
  • Test-Taking Preparation
  • Simulated Timed Tests
  • Mechanical Terminology
  • Heating, Cooling, Refrigeration
  • Exhaust & Ventilation
  • Ducts & Plenums
  • Combustion Air
  • Chimneys & Vents
  • Hydronic Piping
  • Fuel Supply
  • PRONTO Testing
  • Testing Strategies


  • Mechanical Terminology
  • Heating, Cooling, Refrigeration
  • Exhaust & Ventilation
  • Ducts & Plenums
  • Combustion Air
  • Chimneys & Vents
  • Hydronic Piping
  • Fuel Supply
  • PRONTO Testing
  • Testing Strategies
Light Bulb Study Tip

Study Tip

The test is a single, multiple-choice test. The ICC exam code is M2 and the test covers the International Mechanical Code and the International Fuel Gas Code. You will have 2 hours to complete 50 code questions. The test is open-book.

SI Certs Training Packages

We offer course packages in the form of credits. Purchase credits to take any combination of courses and start them at anytime. Credits never expire.