Senior Airman Matthew Kramer (left), 4th Civil Engineer Squadron heating, ventilation, and air conditioning technician, has Tech. Sgt. Kennieth Anderson, 4th CES HVAC NCO in charge, quality check his work, Sept. 2, 2015, at Seymour Johnson Air Force Base, North Carolina. More than 1,500 hours have been spent on individual buildings, in mechanical rooms, and with facility managers to improve maintenance practices, corrected control settings for chillers, and identification of faulty control and actuators that led to thousands of dollars in savings. (U.S. Air Force photo/Airman 1st Class Shawna L. Keyes)
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