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REHVA COVID-19 guidance document (3rd April 2020)

REHVA COVID-19 guidance

In this document REHVA COVID-19 guidance summarizes advice on the operation and use of building services in areas with a coronavirus disease (COVID-19) outbreak, in order to prevent the spread of COVID-19 depending on HVAC or plumbing systems related factors.

REHVA COVID-19 guidance

Summary of practical measures for building services operation – coronavirus Covid-19

  1. Secure ventilation of spaces with outdoor air
  2. Switch ventilation to nominal speed at least 2 hours before the building usage time and switch to lower speed 2 hours after the building usage time
  3. At nights and weekends, do not switch ventilation off, but keep systems running at lower speed
  4. Ensure regular airing with windows (even in mechanically ventilated buildings)
  5. Keep toilet ventilation 24/7 in operation
  6. Avoid open windows in toilets to assure the right direction of ventilation
  7. Instruct building occupants to flush toilets with closed lid
  8. Switch air handling units with recirculation to 100% outdoor air
  9. Inspect heat recovery equipment to be sure that leakages are under control
  10. Switch fan coils either off or operate so that fans are continuously on
  11. Do not change heating, cooling and possible humidification setpoints
  12. Do not plan duct cleaning for this period
  13. Replace central outdoor air and extract air filters as usually, according to maintenance schedule
  14. Regular filter replacement and maintenance works shall be performed with common protective measures including respiratory protection

You can download the PDF version below.

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