Air Filtration for Hospitals
September 1, 2026, Tuesday
8:00 AM – 10:00 AM ET, USA
$USD 350
$USD 175 (Member Only)

Course Objective
Air Filtration for Hospitals will provide participants with a practical understanding of air filtration principles, technologies, standards, and field practices for healthcare environments. The course will focus on how hospital air filtration supports indoor air quality, infection control, patient safety, regulatory compliance, and energy-efficient operation.
Participants will learn how to identify key airborne contaminants in healthcare facilities, understand filtration and ventilation requirements for different hospital spaces, select appropriate filtration technologies, and apply best practices for installation, maintenance, in-situ testing, performance monitoring, and system management. The expert panel will discuss new developments, challenges, opportunities, and trends in hospital air filtration and healthcare indoor air quality.
Course Outline
1. Introduction: Why Hospital Air Filtration Matters
Hospital IAQ and patient safety
Airborne transmission risks and infection control
Differences between general buildings and healthcare environments
Airborne Contaminants in Healthcare Facilities
2. Standards, Guidelines, and Healthcare Ventilation Requirements
ASHRAE 170 and healthcare ventilation principles
MERV, HEPA, and filtration efficiency requirements
Cleanroom and critical-space considerations
Operating rooms, isolation rooms, laboratories, pharmacies, and patient-care areas
3. Hospital Air Filtration Technologies
Prefilters and final filters
HEPA and ULPA filtration
Gas-phase filtration for odors and chemical contaminants
Portable air cleaners and supplemental air-cleaning technologies
Filter media, design, and performance considerations
4. Filter Selection and System Design Considerations
Efficiency, pressure drop, airflow, and energy use
Filter life and maintenance intervals
Leakage control, sealing, and installation quality
Total cost of ownership and sustainability
5. Field Testing, Maintenance, and Best Practices
Filter installation and inspection
In-situ testing and performance verification
Common field problems and troubleshooting
Practical lessons from hospital applications
Latest updates on air filtration requirements and practices in hospital settings
6. Panel Discussion and Q&A
New developments in hospital air filtration
Lessons learned from field practice
Challenges, opportunities, and future trends in healthcare air quality
Instructor Biography

Mr. Mark Davidson
Instructor
Mr. Mark Davidson is Manager of Marketing and Technical Materials for Camfil Americas, where he develops technical education programs and industry content focused on air filtration, indoor air quality, energy efficiency, and sustainability. He actively participates in several ASHRAE committees, including Standard 170 for healthcare ventilation, Standard 62.1 for acceptable indoor air quality, and Standard 52.2 for particle-size removal efficiency testing. Previously, Mark served as Camfil USA’s Food and Beverage Segment Manager, supporting air filtration applications in food and beverage production facilities across the United States. His background spans industrial food processing, healthcare facilities, liquid filtration, high-temperature fibers, and nonwoven fabrics. Mark brings a practical perspective to selecting air filtration solutions that improve indoor air quality while addressing energy costs, maintenance challenges, and sustainability goals. He is also a frequent contributor to technical articles on air filtration and educational materials.

Mr. Stephen Nicholas
Co-Instructor
Mr. Nicholas has been involved in the HVAC air filtration industry since 1984. He possesses extensive experience in field operations, including plant and facility maintenance, engineering, and manufacturing. He is a past president of the National Air Filtration Association (NAFA) and a Certified Technician Level II for Bag-In/Bag-Out HEPA Filter installations. Additionally, he is a certified Testing, Adjusting, and Balancing Technician and a Commercial Building HVAC Systems and Air Filter Specialist. Mr. Nicholas has been professionally trained by the Harvard School of Public Health in certifying 99.97% HEPA Filters In-Place for both nuclear and non-nuclear applications. He has authored several technical articles on air filtration and ventilation and has served on various ASHRAE National Committees. His contributions have been recognized with Distinguished Service Awards from both ASHRAE and NAFA.
Mr. Nicholas continues to be active in the industry as a field test expert, supporting public health in settings such as hospitals and schools. He also remains an influential professional member of NAFA and a Life Member of ASHRAE.

Dr. John McKeon
Panelist
Dr. John McKeon is both a former practicing Emergency Room Doctor and the founder and CEO of the Indoor Air Innovation & Research (iAIR) Institute, an organization dedicated to advancing scientific research and innovative solutions in indoor air quality (IAQ). His career began with a deep interest in how the built environment impacts those living with asthma and allergies, recognizing the vital role clean air plays in human health.With a proactive, “upstream” approach to addressing indoor air pollution, Dr. McKeon has brought together healthcare professionals, construction experts, and interior designers to create holistic solutions for healthier indoor environments. His leadership extends to building an international intellectual property portfolio, negotiating complex licensing agreements, and promoting healthcare entrepreneurship, reflecting his ability to drive meaningful change across medicine, research, and business strategy.A graduate of Trinity College Dublin in 1996, Dr. McKeon is a Fellow of the Royal College of Surgeons in Ireland and holds U.S. Medical Licensing credentials.
Panelists
Dr. Stephanie Taylor is Chief Medical Officer for ThinkLite Air and holds an MD from Harvard Medical School and a master’s degree in architecture. Her career began in pediatric oncology, where she studied cellular growth control and later recognized the important role of the built environment in patient healing and healthcare-associated infections. Combining medical and architectural expertise, she researches how indoor environments and air quality affect clinical outcomes, including infections, inflammation, cognitive impairment, and disease. Dr. Taylor is an ASHRAE Distinguished Lecturer, WFI Advisory Board member, member of the Environmental Health Committee, and technical advisor on Indoor Air Quality for the U.S. Green Building Council.
Mr. Nick Agopian is President of Reviveaire, USA. With 30+ years of Filtration, HVAC & energy-recovery experience, Nick focuses on Indoor Air Quality and improving the human condition indoors. Nick’s has held executive positions of VP for various businesses like Circul-Aire, Dectron Internationale, President and General Manager at SEMCO, a Fläkt Woods company, and Vice President at RenewAire. Nick is highly involved with ASHRAE,where he sits on numerous technical committees, such as ASHRAE 62.1 & 62.2, ASHRAE Position Document - Human Health and Wellness in the Built Environment, TC 2.3, SPC 145P, TRG4.IAQP, TG 9, etc. He’s also served on a special board for filtration part of the National Research Council of Canada (NRC), Additionally, he served on the Board of Directors for the Missouri Innovation Center’s Life Sciences Business Incubator, Board of the local Chamber of Commerce, and Chairman of the Board for the Home Ventilating Institute.Nick's undergrad was in Mechanical Systems Engineering from Vanier, Quebec, Canada, and an International MBA from Duke University’s Fuqua School of Business.
Dr. Mehdi Shirmohammadi, Director of Termeh Filtration in UAE, has more than 20 years of experience (academic and industrial) in air filtration textiles, nanofibers and respiratory masks. Mehdi is a recognized expert in textile fibers, high-efficiency filter media, and antibacterial adsorbents, involved in co-leading standard development committees at the ISIRI in writing standards for respiratory masks. During his air purification research, he worked through the chain of air cleaning processes from polymers, textile fibers, filter media, filter elements, filtration systems, testing instruments, and standardization. He has been focused on antimicrobial adsorber filter media since 2010 and has some patents and publications. Mehdi received his Ph.D. in Textile (chemistry and fibers sciences) from IAU, Iran. He is a Certified Filtration and Separation Specialist (CFSS) for air filtration, awarded as WFI’s Student of the Year in 2022.
Dr. Christine Sun, President of the World Filtration Institute (WFI), is a globally renowned technical and market expert in the filtration industry. With 30+ years of experience in academia and industry, she has 100+ publications and patents with deep expertise in technology innovation and business development. Dr. Sun chaired the American Filtration and Separation Society (AFS) (2016–2017) and received the AFS Fellow Award (2019). She served as Technology Director at Donaldson (2011–2013), R&D Manager at Freudenberg Filtration Technologies (2004–2011), and Research Professor at the University of Tennessee (1995–2024). She earned her BS, MS, and PhD in Chemical Engineering from Tsinghua University, China, and an Executive Certificate from the Kellogg School of Management, Northwestern University, USA. Dr. Sun serves on the editorial boards of the Journal of Industrial Textiles and Textile Science & Research Journal.