Ultraviolet Air and Surface Treatment
ASHRAE Technical Committee 2.9

Upcoming TC Meetings

Tip: Copy and Paste Your Upcoming Meeting Information in this area.

TC2.09 Members and Liaisons,


Thanks to everyone who participated in the subcommittee meetings last week. Both are Research sub-committee meeting and the Main meeting in Indianapolis next Monday on June 24 are Hybrid Meetings, so I hope that most of you can participate. Draft minutes of the Winter Meeting and Meeting Agenda for the upcoming Main meeting are attached.


You can check dates and timings of all other committee meetings and Technical program here https://events.rdmobile.com/Sessions/Index/17591?Search=2.9&mode=All&pagenumber=0&hidePastSessions=True



Meeting NameStarts OnEnds OnMeeting formatMeeting Link
TC 2.9 Research Mon, 6/24/2024 8:00-AM EST Mon, 6/24/2024 10:00-AM EST  
(in-person  and Virtual
Join the meeting now
Meeting ID: 267 621 204 75
Passcode: oHFp4L
In-person location:
JW Marriott, White River I&J (1)
TC 2.9 Main Meeting Mon, 6/24/2024 10:00-AM ESTMon, 6/24/2024 12:00-PM EST 
(in-person  and Virtual)
Join the meeting now
Meeting ID: 236 995 184 88
Passcode: wf7TuD
In-person location:
JW Marriott, White River I&J (1)




Also, please see below the links to relevant UV seminars at the conference.

  1. Seminar 4: Germicidal Ultraviolet (GUV) Disinfection for Energy Savings, Decarbonization, and Healthier Buildings

Sunday, June 23 9:45 AM – 10:45 AM EDT    Location: JW Marriott – Indianapolis, Grand Ballroom 1



  1. i)                    Seminar 4: Presentation 1: An Overview of Ongoing U.S. Doe Research of Germicidal Ultraviolet (GUV) Disinfection Technologies
  2. ii)                  Seminar 4: Presentation 2: Quantifying the Contribution of Germicidal Ultraviolet Systems Towards Meeting ASHRAE 241 Standard Based on in-Situ Measurements
  3. iii)                Seminar 4: Presentation 3: Comparison of Effectiveness and Energy Use of Airborne Pathogen Mitigation Measures to Meet Clean Air Standards
    1. 2)      Seminar 21: LIVESTREAM: Emerging Air Purification Technologies -(Note: Conflicts with our Research subcommittee meeting)

      Monday, June 24 8:00 AM – 9:30 AM EDT    Location:  JW Marriott – Indianapolis, Grand Ballroom 4



      1. i)                    Seminar 21 Presentation 1:  The ABC’s of Induction UV: Both Air and Surface Disinfection
      2. ii)                  Seminar 21: Presentation 2:  DC Airports Incorporating Upper Air UV into Terminals 
      3. iii)                Seminar 21: Presentation 3:  Field Studies with Ionization during the Pandemic 
      4. iv)                Seminar 21: Presentation 5: Using UV Sensitive Aerosol to Verify in-Room UV Device Effectiveness 
        1. Conference Paper Session 15: Fundamentals and Application of IAQ
        2. Tuesday, June 25, 2024, 11:00 AM – 12:30 PM EDT Location: JW Marriott – Indianapolis, 3, Grand Ballroom 10     



        3. i)                    Conference Paper Session 15: Presentation 1: Review on Multifunctional Air Purification System: Technology Combinations and Applications (IN-24-C039)
        4. ii)                  Conference Paper Session 15: Presentation 2: Impact of Indoor Temperature and Humidity on the Microbiome Structure in Modern Japanese Residences (IN-24-C040)
        5. iii)                 Conference Paper Session 15: Presentation 4: The Role of Heat Transfer in Smoke Control of Long Atria (IN-24-001)


      5. 4)      Seminar 45: New ASHRAE Standards 185.3, 145.4, and 185.5 for Air Cleaners – What are They and When to Use Them?

        Wednesday, June 26 8:00 AM – 9:30 AM EDT Location: JW Marriott – Indianapolis, Grand Ballroom 8


        • Wednesday, June 26, 2024, 8:00 AM – 8:20 AM EDT
        • Seminar 45: Presentation 1: Understanding 185.3 Test Method; In-Room Air Cleaners

          • Wednesday, June 26, 2024, 8:20 AM – 8:40 AM EDT
          • Seminar 45: Presentation 2: Measuring Gas Reduction in the Occupied Space with Commercial Air Cleaners (Standard 145.4P)

            • Wednesday, June 26, 2024, 8:40 AM – 9:00 AM EDT

          Seminar 45: Presentation 3: Bioaerosol and Particle Reduction in Room Air By Duct-Mounted Air Cleaners (Standard 185.5)


          For more information committee members may also refer to the TC 2.9 Basecamp site.

          Committee Chair

          Mr Sam Guzman

          Committee Scope

          TC 2.9 is concerned with all aspects of equipment and systems that utilize ultraviolet radiation to destroy or deactivate chemical and/or biological air and surface contaminants in HVAC systems and indoor spaces, including, but not limited to, effectiveness, safety, maintenance and economics.


          Upcoming Society Conferences

          ASHRAE 2024 Annual Conference
          June 22-26, 2024
          Indianapolis, IN

          Additional Information

          ASHRAE Journal Articles:

          New Requirements for Worker Safety: HVAC UV Germicidal Irradiation UV-C Fixtures
          Article Link


          TC Sponsored Sessions