In light of the COID-19 pandemic, The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) has assessed the role HVAC systems have in the propagation and mitigation of airborne contaminants. ASHRAE, and other similar organizations, have recently released papers discussing the subject. As an engineering company that delivers HVAC design services, SSM is providing a summary of the findings for consideration.