
Roger Koppenheffer and Caleb Marvin
Articles
Air Quality
October 21, 2021
Case study: Hospital HVAC retrofit
Air handling units were retrofitted with ultraviolet germicidal irradiation to mitigate the coronavirus in a hospital
By Roger Koppenheffer and Caleb Marvin
Environmental Health
October 20, 2021
Applying UVGI in health care HVAC systems
The importance of and attention to cleaner air for patients and staff is ever-increasing. This reviews UVGI system effectiveness, capabilities and application to provide cleaner and safer air in the health care environment
By Roger Koppenheffer and Caleb Marvin