Washington D.C. Master Refrigeration and Air Conditioning Mechanic Limited Certification Exam

Washington D.C. Master Refrigeration and Air Conditioning Mechanic Limited D.C.’s Limited certification demands precision with EPA Section 608 regulations, complex psychrometric calculations, and multi-stage refrigerant recovery procedures that separate seasoned technicians from novices. The practical assessment alone weeds out those unprepared for real-world troubleshooting of commercial systems operating at critical pressures and temperatures.