Effective February 1, 2021: The NC Board of Plumbing, Heating and Fire Sprinkler Examiners and PSI Testing Centers will only allow examinees to use the 21st Edition of Modern Refrigeration for NC Heating Exams.
Effective February 1, 2021: The NC Board of Plumbing, Heating and Fire Sprinkler Examiners and PSI Testing Centers will only allow examinees to use the 21st Edition of Modern Refrigeration for NC Heating Exams.
5540 Centerview Dr, Suite 200
Raleigh, NC 27606