HVAC-R Beats the Summer Heat
Senior Airman Joje Masaganda, left, and Staff Sgt. Mitchell Cole, 4th Civil Engineer Squadron heating, ventilation, air conditioning and refrigeration technicians, use a schematic to figure out which component of an air conditioning package unit was not functioning at Seymour Johnson Air Force Base, North Carolina, June 14, 2021. The schematic shows where the electricity is going, the trace points help with trouble shooting. (U.S. Air Force photo by Airman 1st Class Kimberly Barrera)