“Airborne transmission of SARS-CoV-2 is significant and should be controlled. Changes to building operations, including the operation of heating, ventilating, and air-conditioning systems, can reduce airborne exposures.”

The previous term of “sufficiently likely” was replaced with “significant“.  This follows the acknowledged risk of indoor SARS-CoV2 airborne transmission by the World Health Organization (WHO) and the  Centers for Disease and Control (CDC)

“This may seem like a small step, but we feel it is important to leave no doubt about our position, given the muted support for ventilation and filtration as important tools in the effort to stop the pandemic, from some organizations that should be leading more strongly,” said William P. Bahnfleth, Ph.D., P.E., ASHRAE Epidemic Task Force chair.

View the complete airborne transmission statement by visiting the ASHRAE COVID-19 Resources.

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