This online course (~8 hours) covers key topics on how to resume activities, safely operate buildings and specifically use densely occupied indoor spaces during and after the COVID-19 pandemic. The course is based on the REHVA COVID-19 guidance documents and its modules provide basic theoretical knowledge with hands-on information taught by REHVA experts. Participants get access also to the latest REHVA guidebooks on air filtration and the hygiene requirements of ventilation systems. After going through the training material, the trainees who also successfully complete the online exams obtain a certification. Please, note that the course material was developed before the detection of the latest, more contagious SARS-CoV-2 variants (in the UK, South-Africa etc.), and any subsequent research on the topic has not been considered for its development and update. Therefore, any contained information, recommendations and guidelines should be interpreted considering this limitation.

Online course - how to join

The online course consists of independent recorded modules, so participants can watch them at their own pace and convenient time including the completion of the exercises and the exams.

Registered participants will receive access to the Learning Management System with further instructions.

REHVA experts will provide the possibility of online live consultations upon interest at commonly agreed time slots where participants can ask questions about the completed modules.

Participants can also ask questions in an online forum that will be answered by REHVA experts.

This course is suitable for

  • Facilities and Building Managers
  • Occupational health and safety specialists
  • Building Services Contractors
  • Mechanical & HVAC Engineers
  • Ventilation and air conditioning system inspectors
  • Public authorities’ technical representatives (regulators)
  • Other building professionals involved in the management of indoor environment quality, building operation and system maintenance

Learning outcomes

After the course participants will

  • Understand the science behind SARS-COV-2 transmission, risk mitigation and the key role of air quality, air distribution solutions and adequate ventilation in infection control
  • Understand the key aspects and necessary measures to take on HVAC systems when resuming indoor activities and reopening public spaces
  • Know how to assess and compare different HVAC solutions regarding infection risk in buildings and separate rooms
  • Have an overall understanding of HVAC engineering measures and current technologies to prevent and/or limit the airborne viral transmission and to reduce the number of cross-infections indoors
  • Obtain practical guidance on the safe use of densely occupied spaces in different building types (e.g. office spaces, industrial facilities, schools, HoReCa, shopping malls, sport facilities, public transport, residential buildings, museums and theatres, places of worship etc.)


Basic fee (non-members)*: 300 EUR (excl. VAT)
Fee for members of REHVA Member Associations & Supporters: 200 EUR (excl. VAT)

*Special rates apply for groups of more than 5 people (get in touch at info(at)

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