DeKalb County to install UV technology to fight COVID-19 in classrooms By Kristal Dixon of The AJC Ultraviolet technology worth $100,000 will be installed at dozens of DeKalb County schools to help fight the spread of COVID-19. The district received a donation of 100 Healthe AIR troffers to install in ceilings above high-traffic areas at schools, said Chief Operations Officer D. Benjamin Estill. Healthe, the company behind the technology, said the troffers use a quiet fan to