RSES
Refrigeration Service Engineers Society(RSES) has recently released the revised “Residential and Light Commercial HVACR Service Technician Reference Manual/A Guide for NATE Certification,” an updated manual co-sponsored by RSES, Air Conditioning Contractors of America (ACCA), North American Technician Excellence (NATE) and Plumbing-Heating-Cooling Contractors Association (PHCC).