HVAC technicians keep base running
SPANGDAHLEM AIR BASE, Germany – Guido Willwerding, 52nd Civil Engineer Squadron Operations Flight Heating, Ventilation and Air Conditioning Element boiler mechanic, replaces a filter in Club Eifel’s ventilation system here a May 9. HVAC maintains, repairs and installs heating, cooling and ventilation systems located on Bitburg Annex, Spangdahlem AB and all of its geographically separated units. (U.S. Air Force photo by Airman 1st Class Matthew B. Fredericks/Released)