ICC M1 Residential Mechanical Inspector Exam Voucher
The ICC M1 Residential Mechanical Inspector Certification is a nationally recognized credential that certifies your expertise in inspecting mechanical systems—such as heating, ventilation, and air conditioning (HVAC)—in one- and two-family dwellings for compliance with the International Residential Code (IRC).
It validates essential knowledge in evaluating mechanical installations for safe and efficient operation—ideal for residential mechanical inspectors, HVAC technicians/contractors, and building inspectors expanding into mechanical oversight. Commonly paired with B1 (Building) and E1 (Electrical) for comprehensive residential inspection capabilities.
Exam Highlights:
- 60 multiple-choice questions
- 2-hour time limit
- Open-book format (using the 2021 or 2024 IRC edition—must match your chosen exam version)
- Available online via PRONTO remote proctoring or in-person at Pearson VUE testing centers
Purchase an exam voucher valid for 12 months, then schedule through your myICC account. A valuable credential for ensuring mechanical safety and code compliance in residential construction.
Product Description
What is the M1 Certification?
The ICC M1 Residential Mechanical Inspector certification is a professional Inspector-level credential that validates a candidate’s ability to inspect mechanical systems in residential buildings. Issued by the International Code Council, this certification demonstrates expertise in evaluating heating, ventilation, and air conditioning (HVAC) systems for compliance with building codes.
The M1 certification is based on the International Residential Code (IRC) and focuses on mechanical provisions related to residential construction, ensuring systems operate safely and efficiently.
Who Should Take the M1 Exam?
The M1 certification is ideal for:
Residential Mechanical Inspectors and HVAC Inspectors
HVAC Technicians and Contractors seeking certification
Building Inspectors expanding into mechanical systems
This certification is commonly paired with B1 (Building) and E1 (Electrical) for full residential inspection coverage.
M1 Exam Details & Format
Exam ID: M1
Certification Name: Residential Mechanical Inspector
Category: National Certification
Level: Inspector
Code Year: 2021 or 2024 International Residential Code (IRC)
Reference Books:
International Residential Code (IRC) – 2021 or 2024 Edition
Exam Format:
60 Multiple Choice Questions
2 Hour Time Limit
Open Book Exam
Testing Method:
PRONTO (Online Remote Proctoring)
Pearson VUE CBT (Testing Center)
Voucher Validity:
12 months from the date of purchase.
Redemption Instructions
Purchase your M1 Residential Mechanical Inspector exam voucher
Receive your voucher code via email
Log in to your myICC account
Schedule via PRONTO or Pearson VUE and apply your code
Frequently Asked Questions
Which code book is used for the M1 exam?
The exam is based on the International Residential Code (IRC) (2021 or 2024 edition depending on the exam selected).
Is the M1 exam open book?
Yes, you may use the IRC during the exam.
Can I take the exam online?
Yes — via PRONTO or at a Pearson VUE center.
