...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...
 
 
 
Webinar Recordings– Recent standards and guidelines on CO2 application and interpretation
 
 
From www.aivc.org - 15 April, 15:05
 

Indoor carbon dioxide concentrations have been measured and discussed in the context of building ventilation and indoor air quality (IAQ) for more than 100 years. In recent decades they have been proposed as an easy way to evaluate the adequacy of ventilation, even to  estimate ventilation rates, as well as...
 
 
 
AIVC has joined Bluesky!
 
 
From www.aivc.org - 13 May, 17:24
 

In light of recent developments, AIVC has officially transitioned from Twitter to Bluesky.Going forward, all updates—including news, publications, and event...
 
 
 
 
 
 
 
 
 
 
 
 
 
AIVC & TightVent Webinar – Inspection of ventilation systems in non-residential buildings [5 June 2025, 13:30-15:00 CET]
 
 
From tightvent.eu - 10 April, 14:09
 

The inspection of ventilation systems in non-residential buildings is a growing priority across Europe, driven by the need for better energy efficiency and indoor air quality. Inspection protocols can be challenging to develop as, unlike for residential...
 
 
 
Webinar Recordings Available! Building & Ductwork Airtightness Trends in Estonia, Germany, and the U.S.
 
 
From tightvent.eu - 13 May, 14:49
 

We’re pleased to announce that the recordings and presentation slides from the recent  AIVC-TightVent webinar, “Building and Ductwork Airtightness Trends and Regulations in Estonia, Germany, and the U.S.” (held on May 12, 2025), are now available on our website. Featured Presentations include...
 
 
 
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…
 
 
 
 
 
 
Introducing the AirTracer: Retrotec’s Handheld Smoke Generator
 
 
From tightvent.eu - 12 May, 12:18
 

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 for easy leak identification when used alongside a blower...
 
 
 
Launch of “Sustainable joinery” v2.0: Building a Sustainable Future Together
 
 
From tightvent.eu - 12 May, 12:18
 

On March 27, 2025, the new version of the certification system “Sustainable joinery” v2.0 was officially launched.

The certification “Sustainable joinery” is one of the first product certifications to combine a high level of technical quality with environmental and social aspects. It considers the entire life cycle...
 
 
 
 
 
 
 
 
 
 
 
 
 
Recordings available from our recent webinar "Improving thermal resilience of buildings to overheating"
 
 
From venticool.eu - 12 May, 12:27
 

We’re happy to announce that the recordings of the AIVC-venticool webinar, “Improving thermal resilience of buildings to overheating: Lessons learned”, held on May 5, 2025, are now available on our website! Featured Presentations: ReCOver++ project: wrap up...
 
 
 
 
 
 
 
 
 
 
 
 
 
2025 ASHRAE Annual Conference | 21-25 June, 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 is now open. Early bird registration ends on April 28. Conference Tracks:  Fundamentals & Applications | HVAC&R Systems and Equipment  | Industrial Ventilation, Refrigeration, Air-Conditioning & Energy Utilization | Heat Pumps, Refrigerants...
 
 
 
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, and air conditioning (HVAC).After the great success of the 2022 edition, organized by the Dutch association TVVL, the baton...
 
 
 
 
 
 
 
 
 
 

News from the EU and international partners
 
 
 
 
 
 
 
April 2025 issue of the REHVA Journal is officially out!
 
 
From www.rehva.eu - 12 May, 12:39
 

After the publication of EPBD-2024 many actions started. The EU Commission organised the preparation of EPBD guidance documents and delegated acts as mentioned in the EPBD. Guidance documents that should help the Member States and...
 
 
 
Templates for sending information to the EU Building Stock Observatory
 
 
From build-up.ec.europa.eu - 12 May, 12:43
 

The initiative promotes common templates for transferring information on the energy performance of building databases...
 
 
 
EU Smart Readiness Indicator: launch of test phase in Italy
 
 
From energy.ec.europa.eu - 12 May, 12:48
 

The Smart Readiness Indicator (SRI), introduced under the Energy Performance of Buildings Directive (EPBD), measures a building’s ability to use smart technologies based on 3 key functionalities: optimising energy efficiency and overall in-use performance...
 
 
 
 
 
 
Retrofitting can modernize buildings for long-term resilience
 
 
From www.weforum.org - 12 May, 12:51
 

Retrofitting isn’t just a sustainability measure; it’s an economic necessity. Studies show that modernizing ageing buildings could cut global energy demand by 12%, generating billions in savings while strengthening resilience against...
 
 
 
HPT TCP Annual Report 2024
 
 
From heatpumpingtechnologies.org - 12 May, 12:55
 

Heat pumps are highly efficient “temperature boosters”. With a relatively

small input of exergy such as electricity used to drive compressors...
 
 
 
Unlocking Efficiency: The Global Landscape of Building Energy Regulations and Their Enforcement
 
 
From documents.worldbank.org - 12 May, 12:59
 

This report, developed by the World Bank’s Global Indicators Group, provides a comprehensive analysis of building energy codes (BECs) across 88 countries, highlighting their critical role in driving energy efficiency and sustainable...
 
 
 
 
 
 
Healthy Buildings 2025 | 8-11 June 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 | 10-11 June 2025, Paris
 
 
From smbc-2025.sciencesconf.org - 5 February, 14:46
 

Energy consumption for environmental control in buildings—such as heating, cooling, and IAQ...
 
 
 
Healthy Buildings Asia 2025 | 18 -21 August 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...
 
 
 
 
 
 
SCANVAC Cold Climate Conference | 6-8 August 2025, Harbin, China
 
 
From cchvac2025.hit.edu.cn - 10 April, 16:50
 

The 12th International Conference on Cold Climate HVAC & Energy is to be held in in Harbin, China, from August 6-8, 2025. The conference is organized by Harbin Institute of Technology (HIT), the Cold Climate conference series was founded...
 
 
 
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...
 
 
 
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...
 
 
 
 
 
 

Videos

...including a list of our recent webinar recordings 
 
 
 
 
 
 
 

Improving thermal resilience of buildings to overheating: Lessons learned (more info)
 
 
 
 
 
 
 

ReCOver++ project: wrap up

Hilde Breesch (KU Leuven, BE)
 
 
 
 
 
 
 
 
 
 
 
 
 
 

A novel indicator to assess thermal resilience of buildings to overheating


Douaa Al Asaad (KU Leuven, BE)
 
 
 
 
 
 
 
 
 
 
 
 
 
 

How to design a resilient building? Lessons learnt from an architectural view


 Joost Declercq (Archipelago, BE)
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Exploring the effect of different measures on thermal resilience: implications for design of HVAC systems and energy use

Debora Resta (Arcadis, BE)
 
 
 
 
 
 
 
 
 
 
 

Building and ductwork airtightness trends and regulations in Estonia, Germany and the U.S. (more info)
 
 
 
 
 
 
 

Building and ductwork airtightness in Estonia: National trends and requirements


Jaanus Hallik (TalTech, EE)
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Building and ductwork airtightness in Germany: National trends and requirements


Oliver Solcher (FLiB, DE) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Building and ductwork airtightness in the U.S.: national trends and requirements


Andrew K. Persily (NIST, USA) 
 
 
 
 
 
 
 
 
 
 

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