M1 Residential Mechanical Inspector The M1 exam now emphasizes energy code compliance and heat pump installation verification? reflecting real shifts in residential mechanical systems. Current testing focuses on how inspectors evaluate refrigerant charge accuracy and ductwork sealing to meet stricter efficiency standards. These updates ensure inspectors can identify code violations that directly affect homeowner utility costs.
| Exam Name | M1 Residential Mechanical Inspector |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |

