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HVAC to the rescue

DAVIS-MONTHAN AIR FORCE BASE, Ariz. -- U.S. Airmen from the 355th Civil Engineer Squadron, prepare to install a chiller at Davis-Monthan Air Force Base, Ariz., Jan. 30, 2018. After the 563rd Operational Support Squadron’s previous chiller sustained damage, the HVAC team decided to replace the unit due to its use of obsolete refrigerant. The job consisted of hooking up a temporary chiller, removal of the damaged chiller and then installing a new one. With the help of the Dirt Boyz, the HVAC team was able to complete the job in one week. (U.S. Air Force photo by Senior Airman Cheyenne A. Powers)