2025 Practice Exam - (M1) Residential Mechanical Inspector

This practice exam is designed for those who are looking to take the M1 Residential Mechanical Inspector Certification Exam through the International Code Council (ICC). These practice exams are intended to help you prepare for the actual exam by helping you navigate through the code book to familiarize yourself with the specific code sections. They will test your knowledge on the exam content areas covered to improve your chances of passing the certification exam.

This is a great way to prepare yourself for the actual exam administered by ICC. Every building code professional knows that the key to passing the ICC exams is to do practice problems. Don't just take the exam purely on experience alone.

Let this resource get you focused on realistic problems built around the exam content being covered. The exam content will cover:General RequirementsHeating/Cooling/Water HeatersExhaust and Ventilation SystemsDuct SystemsCombustion AirChimneys and VentsFuel Supply SystemsPlease note this practice exam is designed for the 2025 version of the M1 Residential Mechanical Inspector certification exam administered by the International Code Council (ICC). The exam is open book and the references that can be used for this exam is the 2025 International Residential Code® (IRC®).

This level of certification allows the Inspector to perform inspections of the installation, maintenance, alteration of mechanical systems that are installed and utilized to provide control of environmental conditions and related process for one-and-two family dwellings not more than three stories as well as verifying the installation of fuel gas distribution piping and equipment, fuel-gas-fired appliances and fuel gas-fired appliance wiring. What knowledge & tools are required. - Have some basic knowledge of construction terminology.