This July 2020 report by Impact Infrastructure explores HVAC systems and their role in reducing the airborne transmission of COVID-19. Best practices for HVAC usage within the built environment set out by ASHRAE (American Society of Heating, Refrigerating and AirConditioning Engineers) and REHVA (Federation of European Heating, Ventilation and Air Conditioning Association) are discussed. It also discusses Cost Benefit Analysis (CBA) and provides a case study to showcase how to evaluate investments into recommended HVAC strategies.
Key words: HVAC, indoor air quality, COVID-19