Roger Koppenheffer and Caleb Marvin


Table 1: The UV-C light schedule provides the information needed to specify the ultraviolet lights used for the project. Courtesy: Certus Consulting Engineers
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
Courtesy: Certus Consulting Engineers
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