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.
Summary of practical measures for building services operation – coronavirus Covid-19
- Secure ventilation of spaces with outdoor air
- 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
- At nights and weekends, do not switch ventilation off, but keep systems running at lower speed
- Ensure regular airing with windows (even in mechanically ventilated buildings)
- Keep toilet ventilation 24/7 in operation
- Avoid open windows in toilets to assure the right direction of ventilation
- Instruct building occupants to flush toilets with closed lid
- Switch air handling units with recirculation to 100% outdoor air
- Inspect heat recovery equipment to be sure that leakages are under control
- Switch fan coils either off or operate so that fans are continuously on
- Do not change heating, cooling and possible humidification setpoints
- Do not plan duct cleaning for this period
- Replace central outdoor air and extract air filters as usually, according to maintenance schedule
- Regular filter replacement and maintenance works shall be performed with common protective measures including respiratory protection
You can download the PDF version below.
