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ISHARE COVID-19 Guidance Document for Air Conditioning and Ventilation

  • National News
  • June 16, 2020

ISHRAE Launches Air conditioning Ventilation Guidelines to Optimize Residential Commercial and Hospital Buildings for COVID-19 Prevention

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A guidance document for operation of HVAC (heating, ventilation and air conditioning) systems in the residences, commercial buildings and hospitals was issued by Indian Society of Heating, Refrigerating and Air Conditioning Engineers (ISHRAE). The Guidance covers standalone and central air-conditioning systems. The Concerns related to temperature humidity, ventilation and filtration are clearly addressed in the ISHRAE COVID-19 guidance document.

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ISHRAE’s COVID-19 guidance document refers to studies conducted at various RH levels showing that using viral culture methods, low temperatures (7-8 Deg C) were optimal for airborne influenza survival with virus survival decreasing progressively at moderate temperature (20.5-24 Deg C) and further decreases at higher (greater than 30 Deg C) temperatures.

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