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Cleaning Air during a Global Pandemic

Air filtration has never been under such a high public focus as it is today, during the COVID-19 pandemic, especially as there is a strong indication that the SARS-CoV2 virus can spread as aerosols via the air. As the virus may attach to smaller or larger particles (solid or liquid), a wide range of particle sizes has to be considered from some micrometres down to the nanoscale. Air handling units using high quality and efficient fine filters and by regarding specific advice given for the pandemic times do reduce the virus concentration in buildings. Together with other measures like keeping distance and wearing face masks, this can reduce the infection risk significantly.

Dr.-Ing. Thomas Caesar, Director of Global Filter Engineering Industrial Filtration, Freudenberg Filtration Technologies, Germany will open WFI 2020 with this topic.


Dr. Caesar is a well-known leading expert in the global filtration industry. He has been working in the filtration industry with extensive experience for over 20 years. Dr. Caesar is now working at Freudenberg Filtration Technologies SE&Co. KG, Germany, responsible for global product development, product & application engineering, and laboratory activities in the business unit Industrial Filtration. He serves as Convenor of ISO/TC142/WG12 “Sustainability of air filters”, Chairman of EHEDG working group “Air handling”, Chairman of Eurovent Certification Compliance Committee Air Filters, Expert in several working groups at VDI, DIN, EHEDG, Eurovent, CEN, and ISO.


Meet Leading Experts and Join Us at WFI 2020

Welcome Message from WFI 2020 Conference Chairs and Meet Our Distinguished Speakers.

Cleaning Air during a Global Pandemic, Dr.-Ing. Thomas Caesar, Freudenberg Filtration Technologies, Germany Impact of COVID 2019 on the Air filtration Industry, Bob Mcilvaine, The Mcilvaine Company

Meet N95 Face Mask Media Inventor Dr. Peter Tsai for Latest Updates on Face Masks

Recent Advances in Assessing the Role of Respiratory Droplets in the Spreading of COVID-19, Dr. Abhishek Saha, University of California San Diego

Shifting Paradigms for the Future of Air Filtration, Hunter Most, AAF International

How the onset of the Coronavirus Pandemic has forever influenced the air filtration industry, Joe, Gorman, Camfil

A Closer Look at Air Filtration, Indoor Air Quality and COVID-19, Jim Rosenthal, Air Relief Technologies

The Digital Transformation of Clean Air Management, Dr. Ellie Amirnasr, Qlair

Center of Excellence in Protective Equipment and Materials, Dr. P. Ravi Selvaganapathy, McMaster University, Canada

Respiratory Filtration using Nanofibers, Dr. Jayesh Doshi, eSpin

Latest Update of HVAC Air Cleaner Testing, Kathleen Owen, ASHRAE Fellow/52.2 Chair

Meet Ms. Janelle Bentz of Nelson Labs for Face Mask Testing

Comparing test methods for respirators, medical masks and barrier face covering to improvised methods used during COVID-19, Tim Johnson, TSI

In-Place Measure, Monitor and Manage Air Filtration System Associated with COVID-19, Stephen Nicholas, Past President of NAFA, Life Member of ASHRAE See all the speakers/topics on the full WFI 2020 Program


Acknowledgment of Sponsors


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