PNNL: Real-world Application of Germicidal UV
Recorded On: 06/11/2026
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About this Course and Tool
The IES offers Educational Webinars throughout the year, purposefully spanning a broad range of topics and speaker expertise.
Description: Germicidal ultraviolet (GUV) luminaires can inactivate airborne pathogens in buildings, helping protect the health of occupants in schools, offices, health care facilities, and other shared environments. This webinar highlights recent PNNL research demonstrating that GUV is among the most energy‑efficient and cost-effective air-cleaning approaches available. We also share findings from evaluations of real‑world GUV installations, drawing on in-situ measurements to assess system effectiveness, safety, and occupant feedback.
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LockedGabe Arnold
Senior Engineer
PNNL
Gabe Arnold is a senior systems engineer at Pacific Northwest National Laboratory, where he supports the U.S. Department of Energy’s Lighting R&D and Commercial Buildings Integration programs in the development and deployment of emerging lighting and building technologies. In his current work he leads a research, development, and demonstration program for germicidal ultraviolet disinfection technologies and is also the technical lead for DOE’s L-Prize competition.
Belal Abboushi
Lighting Research Engineer
Belal Abboushi is a senior associate lighting research engineer at the Pacific Northwest National Laboratory. His research examines discomfort glare, lighting uniformity, and daylight integration. Belal is currently the principal investigator for a study that explores the use of wearable devices to assess effects of indoor environmental quality (including lighting) on occupants’ well-being.