EPA 608 Certification

Understand ODP, GWP, safety groups, R-410A characteristics, blends, fractionation, and next-gen refrigerants.

Recovery equipment, efficiency requirements, AHRI 700 reclamation, pressure testing, and brazing with nitrogen.

How cooling works - compressor protection, metering devices, filter-driers, TXVs, EEVs, and heat transfer.

ACCA Manual J load calculations, Manual D duct design, Manual S equipment selection, and the 400 CFM/ton rule.

SEER2, EER, HSPF2, COP, and tons of refrigeration - how system performance is measured and regulated.

NEC requirements, MCA/MOCP, disconnect rules, motor testing, voltage tolerance, and phase balance.

Evacuation procedures, subcooling, superheat, troubleshooting high/low pressures, and compressor failure analysis.

Heat pump operation, reversing valves, defrost, balance point, supplemental heat, and ASHRAE ventilation standards.

Variable-speed compressors, the AIM Act, A2L safety, combustion analysis, NATE, and lockout/tagout.