HVACR maintained for mission
U.S. Air Force Staff Sgt. Nicholas Bennett, 20th Civil Engineer Squadron heating, ventilation, air conditioning and refrigerating craftsman, straightens out metal fins on a condenser coil at Shaw Air Force Base, S.C., July 22, 2014. The 140 ton air conditioning unit, made up of several separate components, supplies the Shaw Fitness Center with cool air at approximately 55 degrees. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)