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Learn how to Quantify the Clean Air Delivery Rate (CADR) of Portable Air Cleaners (PACs)
Accurately evaluating indoor air cleaning interventions requires more than simple on/off measurements; It demands detailed insight into how devices actually operate in real-world environments.
The experts in this HOBO Thought Leader webinar explore and explain how operational plug load monitoring can enhance the interpretation of indoor air quality (IAQ) data across a range of intervention studies. This session draws on recent field experience from three real-world settings: homes of U.S. military veterans in Chicago, K–12 schools across Illinois, and California homes using evaporative coolers during wildfire smoke events.
IAQ Monitoring Webinar Topics:
- How plug load data loggers installed on portable air cleaners (PACs) can be used to quantify the amount of clean air delivered over time, including in-situ clean air delivery rate (CADR)
- How PAC operational patterns vary among study participants in both residential and school environments
- How combining detailed PAC operational data with time-resolved IAQ measurements provides deeper insights than binary on/off data or no operational data at all
- How plug load data from both PACs and HVAC systems such as evaporative coolers (ECs) can be used to conditionally analyze indoor and outdoor particulate matter (PM) concentrations
- How this combined approach can be applied to evaluate the effectiveness of a temporary DIY filtration solution for ECs for mitigating fine particulate matter infiltration from wildfire smoke
This webinar is ideal for researchers, building scientists, and IAQ professionals seeking to strengthen real-world intervention studies with more nuanced operational data and improved interpretation of indoor particulate matter measurements.
About the Presenters
Aditya Singh
Aditya Singh is a Ph.D. Candidate in Environmental Engineering at Illinois Tech. Aditya's most recent work is regarding the EPA-funded "Filtration for Respiratory Exposure to wildfire smoke from Swamp Cooler Air" (FRESSCA) project. Aditya is passionate about indoor air quality, building systems, and enclosures.
Mingyu Wang
Mingyu Wang is a Ph.D. candidate in Architectural Engineering at Illinois Institute of Technology. She is also the VP of the ASHRAE IIT branch. Her research interests include characterizing indoor pollutant dynamics and building energy efficiency, and her recent research focuses on PAC usage at schools and the impacts of air filtration interventions.
Saeed Farhoodi
Saeed Farhoodi is a Ph.D. Candidate in the Department of Architectural Engineering at the Illinois Institute of Technology. His research focuses on indoor air quality, air cleaning technologies, and building enclosure performance, with an emphasis on particle and viral transport, penetration, and removal in buildings. His work includes field and intervention studies evaluating the real-world performance of portable air cleaners and germicidal ultraviolet apparatus, as well as measurements of fine and ultrafine particle penetration in residential buildings in Chicago.
Dr. Mohammad Heidarinejad
Dr. Mohammad Heidarinejad is an Associate Professor in the Department of Civil, Architectural, and Environmental Engineering at the Illinois Institute of Technology in Chicago. He is Co-Director of the Built Environment Research Group (BERG), where his research focuses on building energy and environmental systems, building automation and controls, computational fluid dynamics, and indoor air quality.
Dr. Brent Stephens
Dr. Brent Stephens is the Arthur W. Hill Endowed Professor in Sustainability and Department Chair in the Department of Civil, Architectural, and Environmental Engineering at the Illinois Institute of Technology. He co-directs the Built Environment Research Group, where his research focuses on energy, air quality, and human health in the built environment.
