...our monthly newspaper with specific information on AIVC, the platforms venticool, TightVent, Dynastee as well as IEQ-GA & news from the EU and international partners. Previous editions are available here.
 
 
 
 
 
 
 
 
 
 
 
Submit your abstracts for the 2026 Conference!
 
 
From www.aivc.org - 29 October 2025, 12:01
 

We are pleased to announce that the AIVC -TightVent - venticool 2026 Conference: “Innovations in Smart Ventilation and IEQ for Resilient and Adaptive Buildings” is now accepting abstracts and...

 
 
 
21-22 April 2026, Madrid, AIVC Workshop "Climate Change, Ventilation and Resilience"
 
 
From www.aivc.org - 29 May 2025, 13:01
 

Join us in Madrid for the AIVC 2026 International Workshop on “Climate Change, Ventilation and Resilience”. Dates: April 21–22, 2026 Location: Madrid, Spain. This international event is organised...

 
 
 
Webinar Recordings Available! Improving Indoor Air Quality in Schools
 
 
From www.aivc.org - 5 December 2025, 18:00
 

We are pleased to announce that the video recordings and presentation slides from our recent webinar, “Improving Indoor Air Quality in Schools” (held on 4 December 2025), are now available on our website. Webinar presentations included: Indoor Air Quality in Naturally Ventilated Classrooms and...

 
 
 
 
 
 
AIVC Board Visits NRC’s Building Science Facilities in Ottawa
 
 
From www.aivc.org - 10 December 2025, 19:05
 

The National Research Council of Canada (NRC) Construction Research Centre organized a private facility tour in Ottawa for ten AIVC board members on September 27, 2025, following the 45th AIVC - ASHRAE IEQ joint conference in Montreal. Visiting board members from Belgium, France, Ireland, Japan, South Korea, Spain, and the United States were welcomed by NRC hosts, including two AIVC board...

 
 
 
AIVC TN68 Landing Page: Ventilation, IAQ & Health Insights
 
 
From www.aivc.org - 2 October 2025, 17:22
 

We are pleased to announce the launch of the new AIVC TN68 landing page! The page presents the key findings from AIVC Technical Note 68 "Residential Ventilation and Health" and provides access to technical summaries, expert analysis, video briefings, and podcast discussions. These essential resources are designed to support building professionals, researchers...

 
 
 
 
 
 
 
 
 
 
 
 
 
Global Cooling Watch 2025: The Free Degrees
 
 
From venticool.eu - 12 December 2025, 10:38
 

In November 2025 the United Nations Environment Programme released the report Global Cooling Watch 2025: The Free Degrees. The document outlines pathways to achieve sustainable and equitable access to cooling as extreme heat events become more frequent and intense worldwide. The...

 
 
 
Unlocking the Untapped Potential of Our Existing Buildings for a Healthier Future
 
 
From www.archdaily.com - 11 December 2025, 19:16
 

The VELUX Group is launching the next step in its Action Leadership agenda as an experiment to explore how existing buildings can better serve both people and planet. The experiment builds on decades of demonstration projects and research into healthy buildings, including Living Places, which...

 
 
 
12th Advisory Board of Practitioners Meeting: Focusing on Drivers and Barriers for Resilient Ventilative Cooling
 
 
From venticool.eu - 6 November 2025, 13:53
 

On November 4, 2025, representatives from the building cooling and ventilation industry, along with architects and consultants, convened for the 12th meeting of the Advisory Board of Practitioners (ABoP). Since early 2024, the board has been coordinated...

 
 
 
 
 
 
 
 
 
 
 
 
 
TightVent newsletter November 2025 now available!
 
 
From tightvent.eu - 10 December 2025, 14:05
 

The 29th issue of the TightVent newsletter is now available! Specific contents include: Foreword 30 September – 1 October 2026, AIVC – TightVent – venticool joint Conference, Incheon, Korea...

 
 
 
Webinar Recordings available! From Inspections to IAQ Measurement
 
 
From tightvent.eu - 10 December 2025, 14:10
 

We are happy to share that the video recordings and presentation slides from our recent webinar, “From Inspections to IAQ Measurement: Exploring Databases for Better Indoor Environments”, held on November 25, 2025, are now available...

 
 
 
Webinar Recordings available! Comparing Ventilation Trends in Southern Europe
 
 
From tightvent.eu - 10 December 2025, 14:08
 

We’re pleased to announce that the recordings and presentation slides from our recent webinar, “Comparing Ventilation Trends in Southern Europe” (held on October 10, 2025), are now available on our website. Featured Presentations: Italy – Trends in Building Ventilation Requirements and...

 
 
 
 
 
 
Infiltrea 5.1 : Revolutionizing Multi-Fan measurements
 
 
From tightvent.eu - 10 December 2025, 14:35
 

Infiltrea 5.1 marks a major advance in blower door testing. This new version now allows direct multi-fan measurements without the need for third-party software. It features automatic manometer detection, easy channel configuration, and manual or automatic fan control. The new expert view also features...

 
 
 
Introducing the AirTracer: Retrotec’s Handheld Smoke Generator
 
 
From tightvent.eu - 10 December 2025, 14:35
 

Retrotec is excited to announce the AirTracer, a professional-grade handheld smoke generator built for quick, accurate air leak detection — all at an affordable price. With a simple press of a button, the AirTracer releases smoke in a second, allowing…

 
 
 
Circularity in action! Discover the new BCCA’S Mineral Wool Waste Management Service
 
 
From tightvent.eu - 10 December 2025, 14:35
 

The EU’s upcoming Circular Economy Act aims to boost recycling, reuse, and repurposing of construction and demolition waste, including mineral wool insulation. Recyclable waste going to landfill will become impossible, making proper recovery, handling...

 
 
 
 
 
 
 
 
 
 
 
 
 
IEQ-GA’s Air Infiltration, Ventilation & Air Conditioning Glossary
 
 
From ieq-ga.net - 4 September 2025, 19:08
 

The Indoor Environmental Quality – Global Alliance is pleased to announce the release of a Glossary of air infiltration, ventilation, and air conditioning terms. The Glossary was developed by the member organizations’ representatives led by Professor Livio Mazzarella, Politecnico di Milano – Dipartimento di Energia. It fulfils a goal of IEQ-GA to generate documents that will be useful to all its members, as...

 
 
 
54th AiCARR International Congress, 25-26 March 2026, Milan, Italy
 
 
From ieq-ga.net - 24 November 2025, 16:00
 

The 54th AiCARR International Conference “Decarbonising our future: energy, economic and social aspects of smarter and digitilized buildings and cities” will be held on March 25th and 26th 2026, at Mostra Convegno Expocomfort, Fieramilano-Rho, in Milan, Italy. The transition to more efficient buildings and cities with the integration of renewable sources and heat reuse represents a decisive step towards...

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Dynastee newsletter issue 2025/24 now available
 
 
From dynastee.info - 10 December 2025, 14:45
 

After two preparation meetings, the ExCo has approved the working phase of IEA-EBC Annex 94: Validation and Verification of In-situ Building Energy Performance Measurement Techniques. The First Working Meeting has taken place at TU Wien ...

 
 
 
Announcement of the Summer School 2026, 7-11 September 2026, Almería
 
 
From dynastee.info - 10 December 2025, 14:49
 

For the 11th time, DYNASTEE will organise a Summer School on the application of analysis techniques towards whole building energy performance assessment from in-situ measurements and metering data. The Summer...

 
 
 
IEA-EBC Annex 94 has entered its working phase
 
 
From dynastee.info - 10 December 2025, 14:55
 

After two preparation meetings at KU Leuven (BE, November 2024) and Saxion UAS (NL, April 2025), the ExCo has approved the working phase of IEA-EBC Annex 94: Validation and Verification of In-situ Building Energy Performance Measurement Techniques. We aim for a paradigm shift: from estimates and...

 
 
 
 
 
 

News from the EU and international partners

 
 
 
 
 
 
 
CHEPA (Classroom HEPA) impact calculator
 
 
From www.sei.org - 11 December 2025, 19:31
 

CHEPA is a free, easy-to-use calculator that helps schools and local authorities explore whether adding a HEPA filter unit could improve classroom air quality and what it might mean for energy use. It is independent, evidence-based, and co...

 
 
 
Healthy homes for all: challenges and lessons learnt on supporting energy-poor households
 
 
From build-up.ec.europa.eu - 11 December 2025, 19:07
 

As the EU intensifies its climate policies, low-income households living in inefficient homes or relying on outdated technologies are disproportionately...

 
 
 
REHVA Journal - The October issue is out!
 
 
From www.rehva.eu - 11 December 2025, 19:10
 

The focus of this issue is on European policy in relation to the EPBD implementation. Apart from the several technical articles highlighting this implementation issue, attention is given to the REHVA Brussels Summit at pages 64–65. The summit program is about implementing the EPBD, IEQ, affordability and...

 
 
 
 
 
 
2026 ASHRAE Winter Conference
 
 
From www.ashrae.org - 11 December 2025, 19:37
 

Join Us in Las Vegas! Registration is Now Open! Register today for the 2026 ASHRAE Winter Conference and AHR Expo taking place Jan. 31-Feb 4 in Las Vegas. Immerse yourself in a world of HVAC&R with 100+ technical sessions and 1700+ exhibitors at the AHR Expo. Visit ASHRAE at Booth C2102! Join...

 
 
 
World Sustainable Energy Days | 24-27 February 2026, Wels, Austria
 
 
From www.wsed.at - 2 October 2025, 16:13
 

The World Sustainable Energy Days (WSED) present policies, technologies and business models which increase competitiveness and make energy more affordable. The event is a leading annual conference on the...

 
 
 
IAQVEC 2026 | 18-22 May 2026, Los Angeles, USA
 
 
From iaqvec2026.org - 6 March 2025, 13:52
 

IAQVEC 2026 will explore the future of building science, technology and architecture under the theme “Envisioning the Future: Innovations in Research and Technology for a Better...

 
 
 
 
 
 
Indoor Air 2026 | 14-18 June 2026, Singapore
 
 
From www.indoorair2026.org - 2 October 2025, 16:09
 

The Indoor Air conference series stands as the world's leading scientific platform for advancing knowledge and solutions in indoor air quality and climate. Since its inception in Copenhagen in 1978, this prestigious series has brought together the brightest minds in science, engineering, and public health to address...

 
 
 
ROOMVENT 2026 | 15-18 September, 2026, Prague
 
 
From www.roomvent2026.com - 4 September 2025, 19:50
 

The RoomVent 2026 conference marks the 18th edition of a prestigious international series that began in Stockholm in 1987. Traveling the globe, it has established itself as the premier platform for the HVAC and built...

 
 
 
CLIMA 2028| 11-14 June 2028, Espoo, Finland
 
 
From climaworldcongress.org - 2 October 2025, 16:22
 

The REHVA HVAC World Congress CLIMA is the leading international scientific congress in the field of heating, ventilation, and air conditioning (HVAC). After the great success of the 2025 edition, organized by AiCARR, the baton now passes to for the...

 
 
 
 
 
 

Videos

...including a list of our recent webinar recordings 

 
 
 
 
 
 
 

From Inspections to IAQ Measurement: Exploring Databases for Better Indoor Environments (more info)

 
 
 
 
 
 
 

French National Ventilation Observatory (ONV)


Antoine Mischler (dooApp, FR)

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Belgian Ventilation Inspection Database


Maarten De Strycker (BCCA, BE)

 
 
 
 
 
 
 
 
 
 
 
 
 
 

SAMHE Database - IAQ in UK schools


Henry Burridge (Imperial College London, UK)

 
 
 
 
 
 
 
 
 
 
 

Improving Indoor Air Quality in Schools (more info)

 
 
 
 
 
 
 

 Indoor Air Quality in Naturally Ventilated Classrooms and Offices


James A. McGrath (Maynooth University, IE)

 
 
 
 
 
 
 
 
 
 
 
 
 
 

A controlled intervention study in two schools: impact and benefits of the air cleaning measures implemented

Grace Zhou (National Research Council, CA)

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Improving air quality in UK schools: SAMHE – Schools’ Air quality Monitoring for Health and Education

Henry Burridge (Imperial College London, UK) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Ventilation concepts in classrooms: Results of a long-term study in three elementary schools


Arno Dentel (Technische Hochschule Nürnberg, DE)

 
 
 
 
 
 
 
 
 
 

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