New Mexico Heat, Air Conditioning Contractor License (MM-2) Certification Exam

New Mexico Heat, Air Conditioning Contractor License (MM-2) New Mexico’s MM-2 exam uniquely combines residential and light commercial HVAC scope into a single credential, requiring contractors to navigate both EPA refrigerant certification rules and state-specific licensing statutes in the same assessment. Few states bundle these domains this way, making the exam distinctly demanding for applicants crossing between residential service calls and commercial equipment installation.