• Increase outdoor air ventilation (disable demand-controlled ventilation and open outdoor air dampers to 100% as indoor and outdoor conditions permit).
• Improve central air and other HVAC filtration to MERV-13 (ASHRAE 2017b) or the highest level achievable.
• Keep systems running longer hours (24/7 if possible).
• Add portable room air cleaners with HEPA or high-MERV filters with due consideration to the clean air delivery rate (AHAM 2015).
• Add duct- or air-handling-unit-mounted, upper room, and/or portable UVGI devices in connection to in-room fans in high-density spaces such as waiting rooms, prisons, and shelters.
• Maintain temperature and humidity as applicable to the infectious aerosol of concern.
Join us for AAONs presentation:
Applying AAON Equipment for Resilient Mitigation of Infectious Aerosols
