Myth: Air Conditions can spread Covid-19

Last Updated on October 20, 2021 by Team THIP

Rating: Not Proven
Facts:

There is no quality data to prove that air conditions can spread Covid-19.

A literature based study done in this regard notes, “in previous coronavirus epidemics, HVAC systems not specifically designed to accommodate infectious patients were suspected of facilitating the spread of SARS-Cov-1 and MERS-CoV in hospital and community settings. The guidelines released by organizations and international agencies for controlling the spread of SARS-CoV-2 in indoor environments are based on these studies.”

The World Health Organization (WHO) states that a well-maintained and operated HVAC system can reduce the spread of COVID-19 in indoor spaces by increasing the rate of air change, reducing recirculation of air and increasing the use of outdoor air.

However, Air Conditioners come in various types and sizes. Standalone Air Conditioners used at home do not necessarily mix outside air and only work by recirculating internal air. Hence creating a single guideline regarding Air Conditioners and their usage is not possible.

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