CIBSE’s COVID-19 Ventilation Guidance

CIBSE initially published COVID-19 Ventilation guidance on 9th May, followed by Version 2 on 12th May and Version 3 on 15th July, in response to the CIBSE position, taken in April, that there was the potential for airborne aerosol transmission of SARS-CoV-2. Version 4 was published on October 23rd.

 

This guidance adopts a precautionary approach with the objective of ventilating spaces as much as reasonably possible with outside air as one measure to reduce transmission risk.

 

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TightVent Newsletter, November 2020

Submitted by on Thu, 11/19/2020 - 10:47

Contents

  • Foreword
  • 13 -15 September 2021 – 41st AIVC & 9th TightVent – ASHRAE IAQ joint
  • conference in Athens, Greece
  • 30 November 2020, 10:30- 11:45 CET – Webinar “Better Quantifying and Locating Building Leakages”
  • SAVE THE DATE – 19 January 2021 – Webinar “Improvements in building airtightness of the building stock”
  • TAAC news
  • Evolution of ductwork airtightness classes in Europe
  • Building airtightness tests in high-rise buildings
  • Product news

AIVC Newsletter, Special Issue COVID-19, November 2020

The AIVC board decided in their last (online) meeting of September 2020 to start a project to collect, discuss and disseminate information about COVID-19 in relation to ventilation and airtightness. A working group was created to define and carry out the project, with the title ‘Ventilation, airtightness and COVID-19’.  The first special issue of the AIVC newsletter is a first outcome of the project.

Highlights of this newsletter:

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AIVC Newsletter, Special Issue COVID-19, November 2020

Submitted by on Thu, 11/12/2020 - 12:28

Contents

  • Editorial
  • 20 November 2020 (16:00-17:30 CET) – AIVC Webinar – COVID-19 Ventilation related guidance by ASHRAE and REHVA
  • Call to readers
  • AIVC's COVID‐19 Working Group FAQs
  • Selection of FAQs related to COVID‐19 ‐ As developed by IEQ‐GA, ASHRAE, REHVA, WHO & SAGE‐EMG
  • AIVC’s Covid‐19 Working Group (WG) members
  • AIVC Countries & Board Members

REMARK:  The answers that follow were developed in November 2020. The recommendations by ASHRAE and REHVA may change over time.

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in November 2020. To subscribe to the newsletter please click here.

REMARK: This Q&A was part of the AIVC special COVID-19 newsletter published in November 2020. To subscribe to the newsletter please click here.

20 November 2020 - Upcoming Webinar "COVID-19 Ventilation related guidance by ASHRAE and REHVA"

The Air Infiltration and Ventilation Centre with support from ASHRAE and REHVA  is organizing the webinar "COVID-19 Ventilation related guidance by ASHRAE and REHVA" to be held on Friday November 20th, 2020 at 16:00-17:15 (CET).  The webinar will present the guidelines by REHVA and ASHRAE and will also have a closer look to the similarities and differences in both guidelines

Presentations and Speakers:

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20 November 2020, Webinar – COVID-19 Ventilation related guidance by ASHRAE and REHVA

Submitted by on Wed, 11/04/2020 - 09:41

Ventilation is recognized as a major element in strategies for minimizing the risk of COVID infection. REHVA and ASHRAE have developed guidelines taking existing evidence of long-range aerosol based transmission into account including the importance of ventilation.

This webinar presented the guidelines by REHVA and ASHRAE and also had a closer look to the similarities and differences in both guidelines.

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