...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.
 
 
 
 
 
 
 
 
 
 
 
45th AIVC & ASHRAE 2025 IEQ conference, 24-26 September 2025, Montreal
 
 
From www.aivc.org - 7 March, 09:49
 

The conference "IEQ 2025: Rising to new challenges: Connecting IEQ to a sustainable future”, organized by ASHRAE and AIVC, will be held in Montreal, Quebec, Canada on 24-26 September 2025. The conference will also be the 13th TightVent...

 
 
 
1-2 April 2025, AIVC Workshop, Stuttgart, "Indoor Environmental Quality in Sustainable Buildings"
 
 
From www.aivc.org - 7 March, 09:45
 

The AIVC together with Fraunhofer IBP in Germany organise a workshop entitled “Indoor Environmental Quality in Sustainable Buildings" to be held on 1-2 April 2025 in Stuttgart, Germany.  The 1 ½ day workshop provides the opportunity to...

 
 
 
Upcoming webinar "Recent standards and guidelines on CO2 application and interpretation"
 
 
From www.aivc.org - 6 February, 09:59
 

The AIVC invites you to register for our upcoming webinar, "Recent standards and guidelines on CO2 application and interpretation" on March 17th 2025, from 16:00 to 17:30 CET. Participation is free, but prior registration is required. To Register & View the agenda, please follow this link...

 
 
 
 
 
 
REHVA Journal’s February 2025 Edition Features Papers from the 2024 Conference!
 
 
From www.aivc.org - 6 March, 12:56
 

The February 2025 edition of the REHVA Journal has been released, featuring the theme "IEQ at 44th AIVC...

 
 
 
Recordings available from our recent Webinar "Energy Performance of Gas Phase Air Cleaning"!
 
 
From www.aivc.org - 6 March, 13:01
 

We are happy to announce that the recordings of the AIVC webinar, “Energy Performance of Gas Phase Air Cleaning”, held on February 21, 2025 are now available on our website!Featured Presenters:Alireza Afshari, Department of the Built Environment (BUILD), Aalborg University Copenhagen, Denmark, Sasan Sadrizadeh, Fluid and Climate Technology, KTH Royal Institute of Technology, Stockholm, Sweden...

 
 
 
 
 
 
 
 
 
 
 
 
 
New Study Highlights Effective Passive Cooling Strategies during Heatwaves
 
 
From venticool.eu - 6 March, 13:03
 

A new study by Douaa Al-Assaad et al. evaluates resilient passive cooling strategies in buildings during heat waves across different climates. Using simulations...

 
 
 
Pythermalcomfort 3.0 Released!
 
 
From venticool.eu - 6 March, 13:03
 

We are happy to announce the release of the free/open-source pythermalcomfort version 3.0, a comprehensive toolkit for calculating thermal comfort indices, heat/cold stress metrics, and thermophysiological responses in Python. Key Updates in pythermalcomfort v3.0: Multi-node models:Pythermalcomfort now includes JOS3 a … 

 
 
 
 
 
 
 
 
 
 
 
 
 
16-17 May 2025, Hannover – “14th International BUILDAIR Symposium”
 
 
From tightvent.eu - 7 March, 09:53
 

The 14th International Buildair Symposium: “Airtight Buildings, Thermography and Ventilation Systems in Practice” will take place on May 16 and 17, 2025 in Hanover, Germany.  The event will offer a unique opportunity to find out about the latest developments and best…

 
 
 
Trends in building and ductwork airtightness in Germany
 
 
From tightvent.eu - 7 March, 09:55
 

We are happy to announce the release of a new addition to the AIVC Ventilation Information Paper (VIP) series dealing with trends in building and ductwork airtightness in various countries.  Ventilation Information Paper #45.13: Trends in building and ductwork airtightness … 

 
 
 
Trends in building ventilation requirements and inspection in Spain, France & Ireland
 
 
From www.aivc.org - 6 March, 13:09
 

The AIVC is happy to announce the release of a new addition to the AIVC Ventilation Information Paper (VIP) series dealing with trends in building ventilation requirements and inspection in various...

 
 
 
 
 
 
 
 
 
 
 
 
 
IEQ-GA's Air Infiltration, Ventilation & Air Conditioning Glossary
 
 
From ieq-ga.net - 7 March, 10:05
 

The Indoor Environmental Quality – Global Alliance is pleased to announce the release of a Glossary of air infiltration, ventilation, and air conditioning terms....

 
 
 
Commit to C.A.R.E. February 2025 Newsletter Focuses on the Quaddemic!
 
 
From ieq-ga.net - 6 March, 13:13
 

The February 2025 edition of the Commit to C.A.R.E. newsletter highlights the Quaddemic—the simultaneous spread of COVID-19, flu, RSV, and norovirus—and provides key resources to help workplaces, schools, and communities stay safe. Featured Resources: 5 Myths About the Quaddemic...

 
 
 
 
 
 
2025 ASHRAE Annual Conference - June 21-25, 2025 | Phoenix, AZ
 
 
From www.ashrae.org - 7 March, 10:12
 

ASHRAE is looking forward to convening at the Sheraton Phoenix Downtown and Phoenix Convention Center June 21-25, 2025. Registration opens Spring 2025. Early bird registration ends on April 28. More information will be soon available...

 
 
 
15th REHVA HVAC World Congress, 4-6 June 2025, Milan
 
 
From ieq-ga.net - 7 March, 10:10
 

The REHVA HVAC World Congress CLIMA is the leading international scientific congress in the field of heating, ventilation...

 
 
 
 
 
 
 
 
 
 

News from the EU and international partners

 
 
 
 
 
 
 
ASHRAE Position Document on Indoor Carbon Dioxide
 
 
From www.ashrae.org - 6 March, 15:44
 

The ASHRAE Position Document on Indoor Carbon Dioxide has been updated and is now available for free download at the ASHRAE web site. The main changes are updates to references to reflect research published since the first publication of the document. The document was written and revised by an international committee of experts including Andrew Persily (NIST, ret. Chair), William Bahnfleth (Penn State Department of Architectural Engineering), Howard Kipen (Rutgers School of Public Health), Josephine Lau (University of Nebraska...

 
 
 
What makes a building ‘smart’: technologies driving energy efficiency
 
 
From build-up.ec.europa.eu - 6 March, 13:29
 

What if technology allowed buildings to manage themselves, guaranteeing greater energy efficiency, enhanced comfort, and improved health while quickly paying for themselves through savings on bills? This is already happening—smart buildings are a reality, with various projects demonstrating...

 
 
 
 
 
 
Expert Talk - Michael de Bouw, (Buildwise, Belgium)
 
 
From build-up.ec.europa.eu - 6 March, 13:34
 

In this BUILD UP Expert Talk, De Bouw talks about how digitalisation and industrialisation can accelerate deep renovation in the building sector, the potential of industrial prefabrication in the Belgian construction sector and at the EU level...

 
 
 
EU renewable energy for heating and cooling reaches 26%
 
 
From ec.europa.eu - 6 March, 14:12
 

The use of renewable energy sources in heating and cooling continues to increase in the EU, with the share of energy from renewables in those areas reaching 26.2% in 2023, the highest value since the time series started in 2004 (11.7%). The share increased by 1.2 percentage points (pp) compared with 2022 (25.0%). EU directive 2023/2413 of 18 October 2023 on the promotion of the use of energy from...

 
 
 
 
 
 
Upcoming EDIAQI webinar - Don't Hold Your Breath: Implementing Effective Ventilation Strategies | 21 March, 2025
 
 
From www.eventbrite.com - 6 March, 15:36
 

Ventilation stands as the cornerstone of indoor air quality improvement. Unlike outdoor air—where the only real solution is to eliminate pollution sources—indoor environments provide a unique...

 
 
 
ISHVAC 2025 | 29 November - 2 December 2025, Tokyo, Japan
 
 
From ishvac2025.com - 6 March, 13:45
 

The 14th International Symposium on HVAC2025 will be held from November 29 to December 2, in Tokyo, Japan. The key topics covered in the conference are: carbon emission assessment, energy efficient HVAC system and technologies, heating / cooling...

 
 
 
IAQVEC 2026 | 18-22 May 2026, Los Angeles, USA
 
 
From iaqvec2026.org - 6 March, 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 Reality in the Built Environment”...

 
 
 
 
 
 
8-11 June 2025 - Healthy Buildings 2025 - Reykavik, Iceland
 
 
From www.hb2025iceland.org - 7 March, 10:15
 

Healthy buildings, HB2025 - ISIAQ. Rentegrate science to practice for healthy and sustainable buildings.

Join us in Reykjavík to explore the critical intersection of climate resilience, building sustainability, and occupant well-being...

 
 
 
First International Symposium on Smart Materials for Energy Efficient Built Environment Control – June 10-11 2025, Paris
 
 
From smbc-2025.sciencesconf.org - 5 February, 14:46
 

Energy consumption for environmental control in buildings—such as heating, cooling, and indoor air quality (IAQ)...

 
 
 
18 -21 August 2025 - Healthy Buildings Asia 2025 – Hyderabad, India
 
 
From www.hb2025.co.in - 10 January, 11:30
 

The conference will cover a diverse range of topics, offering insights from experts across various fields. Indoor Environmental Quality (IEQ) Monitoring and Performance Metrics, Sensors, IoT, Measurement Protocols, Dashboards...

 
 
 
 
 
 

Videos

...including a list of our recent webinar recordings 

 
 
 
 
 
 
 

Energy Performance of Gas Phase Air Cleaning (more info)

 
 
 
 
 
 
 

The Present and Future Role of Gas-Phase Air Cleaning as an Alternative to Increased Ventilation in Office Buildings


Alireza Afshari (Aalborg University Copenhagen, Denmark)

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Exploring the Energy-Saving Benefits of Gas-Phase Air Cleaning in Nordic Buildings


Sasan Sadrizadeh ( KTH Royal Institute of Technology, Stockholm, Sweden) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Gas phase air cleaning effects on ventilation energy use and KPIs for Energy Performance


Bjarne W. Olesen (DTU, Denmark)

 
 
 
 
 
 
 
 
 
 

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