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Energy Efficiency and Indoor Climate in Buildings

September 2026

Our monthly newspaper providing updates and insights from AIVC, the platforms venticool, TightVent, Dynastee, and IEQ-GA, along with news from EU and international partners.

Previous editions are available here.

AIVC

Join us! 46th AIVC Conference on Smart Ventilation and IEQ | 30 September & 1 October 2026, Incheon, Korea

From www.aivc.org - 13 May 2026, 16:17

The 46th AIVC conference "Innovations in Smart Ventilation and IEQ for Resilient and Adaptive Buildings" will take place on September 30 & October 1, 2026 at the Songdo International District in Incheon, Republic of Korea. This international event will be held jointly with the 14th TightVent Conference and the 12th...

From www.aivc.org - 9 July 2026, 12:00

Personalised Environmental Control Systems (PECS) allow occupants to adjust their immediate surroundings without affecting others, offering the potential to enhance comfort, health, and well-being while improving building energy efficiency. This webinar presents the state of research and development across the four environmental domains PECS address, drawing on activities developed within...

From www.aivc.org - 8 September 2026, 20:00

Indoor air quality (IAQ) and ventilation critically influence health, comfort, and energy performance of buildings. Over the past decades, numerous studies and initiatives have produced and studied indoor pollutant concentrations, respective emission rates, and applicable regulations. Yet this knowledge remains fragmented: datasets are dispersed, often not accessible, variably documented, and rarely...

New IJV Collection Featuring Papers from the 2023 & 2024 AIVC Conferences

From www.aivc.org - 27 August 2026, 14:00

A new article collection of the International Journal of Ventilation features a selection of papers from the peer-reviewed tracks of the 43rd and 44th AIVC Conferences. The 43rd AIVC Conference, “Ventilation, IEQ and Health in Sustainable Buildings,” was held on 4–5 October 2023 in Copenhagen, in conjunction with the 11th TightVent Conference and the 9th venticool Conference. The 44th AIVC...

venticool

Recordings available from our recent webinar: “EBC Annex 97: Learnings from the SOTA Report”

From venticool.eu - 10 September 2026, 17:01

We are pleased to share that the video recordings and presentation slides from our recent webinar, “EBC Annex 97/Cities TCP Task 5 “Sustainable Cooling in Cities”: Learnings from the State-of-the-Art Report” (held on 7 September 2026), are now available on our website. The webinar featured the following expert presentations: Methods and experiments to assess urban cooling (Claudia Fabiani...

CIBSE Publishes Updated TM59 Guidance on Overheating Risk in Dwellings

From venticool.eu - 10 September 2026, 16:59

In July 2026, CIBSE published the latest edition of Technical Memorandum 59 (TM59): Overheating Risk in Dwellings – A Design Stage Methodology (2026). TM59 sets out the industry’s recommended approach for assessing overheating risk in new residential developments and major refurbishments using dynamic thermal modelling. The guidance explains how thermal models should be applied, outlines the...

TightVent

Recordings from the June 16, 2026 Webinar: “Ensuring Reliable Airtightness Measurements”

From tightvent.org - 14 July 2026, 10:52

We are happy to share that the video recordings and presentation slides from our recent webinar, “Ensuring Reliable Airtightness Measurements: Airtightness Tester Qualification Across...

15th International BUILDAIR Symposium | 17-18 June 2027, Hannover

From buildair.eu - 14 July 2026, 11:43

The 15th International BUILDAIR Symposium will take place on 17 and 18 June, 2027. We have chosen the H4 Hotel Hannover Messe as the venue; it features a wonderful ground-floor hall that is perfectly suited to the symposium and the accompanying trade exhibition. You can relax and prepare for the day’s programme in large, comfortable rooms (you will receive the booking link with your registration confirmation), and the...

Dynastee

Announcement of the Dynastee Summer School 2026, 14-18 September, Almería

From dynastee.info - 11 June 2026, 15:23

After eleven Summer/Spring Schools and two training Webinars, DYNASTEE is proud to announce that for the 12th time it will organise a physical Summer School in 2026. This time it will take place in the south of Spain from 14-18 September 2026. More than 210 PhD students and researchers have participated in the eleven preceding physical Summer/Spring Schools and their enthusiastic response has made...

Announcement of the CIEMAT – Dynastee Symposium on Thermal transfer of building envelopes

From dynastee.info - 11 June 2026, 15:24

The focus of this one-day event will be on novel building performance measurement with guest speakers from the EU and Spain to take us through the most innovative ways of measuring and analysing the energy performance of domestic and non-domestic buildings. Apart from introductions of CIEMAT and the DYNASTEE Network, all IEA-EBC Annex 94 Subtasks...

News from the EU and international partners

A new European Technical Specification for designing ventilative cooling systems

From build-up.ec.europa.eu - 10 September 2026, 18:32

The new European Technical Specification FprCEN/TS 18335:2026 defines a nine-step design process for natural, mechanical and hybrid ventilative cooling, prioritising prevention, modulation and free cooling before considering any form of active cooling. Buildings across Europe...

Passive cooling strategies: a key lever for resilient and comfortable homes

From build-up.ec.europa.eu - 10 September 2026, 18:43

Before making air conditioning the norm, Europe has a significant opportunity to reduce overheating through passive measures such as external shading and ventilative cooling. Europe is the fastest-warming continent on Earth. As climate change accelerates, extreme heat events are...

Cooling for all: why Europe must treat cooling as infrastructure, not a luxury

From build-up.ec.europa.eu - 10 September 2026, 18:26

Europe’s energy transition risks overlooking a critical gap: without treating cooling as infrastructure, buildings may lock in inequality, grid strain, and avoidable long-term costs. Europe is increasingly comfortable talking about a just transition, resilience, and the need to decarbonise...

EBC News August 2026

From mailchi.mp - 10 September 2026, 18:19

The EBC newsletter is published regularly each year in email format. It contains updates on ongoing and forthcoming research projects, and features new publications and EBC other EBC project information. It is intended for a general audience of those active in fields relating to operational energy saving for...

When buildings fail the most vulnerable: rethinking affordable cooling for people with disabilities

From build-up.ec.europa.eu - 10 September 2026, 18:25

What happens when cooling is needed for health, but homes, inaccessible controls, and energy costs prevent access? Evidence from five Southern European countries shows...

How buildings can stay cool while using less electricity

From www.axios.com - 10 September 2026, 18:55

Keeping buildings cool without relying solely on air conditioning will be critical for adapting to climate change. "The market is saturated, but the use of air conditioning or the energy consumption for air conditioning will increase because of the overheating," Mat Santamouris, a University of...

Confronting extreme heat, drought and wildfires: How EU-funded research is helping Europe to respond and adapt

From cinea.ec.europa.eu - 10 September 2026, 19:14

This summer, we are facing unprecedented droughts and wildfires leading to casualties and devastation across the continent. While the immediate focus is on responding to the emergencies with firefighting helicopters, electric fans and shallow water vessels, EU-funded research and innovation is also...

Europe's buildings are designed for a climate that no longer exists—new open dataset offers a fix

From phys.org - 10 September 2026, 19:13

The weather files engineers use to design buildings are built from decades of historical measurements. The data can be more than 30 years old. But a...

ASHRAE Winter Conference | 23-27 January, 2027, Chicago

From www.ashrae.org - 10 September 2026, 19:04

With Technical Sessions, ALI courses, committee meetings, networking events, social gatherings, the AHR Expo, and much more, ASHRAE’s Winter Conference delivers something for everyone. It’s one of the year’s best opportunities to learn from industry experts...

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 environment sectors. In 2026, this significant event will...

World Sustainable Energy Days | 2 - 5 March 2027, Wels

From www.wsed.at - 14 July 2026, 11:38

The World Sustainable Energy Days 2027 will be held from 2 to 5 March in Wels, Austria, bringing together policymakers, researchers, businesses, and energy practitioners to explore how Europe can accelerate the shift towards climate neutrality. The programme includes conferences on...

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 organization of CLIMA 2028: the 16th REHVA...

Videos

...including a list of our webinar recordings

EBC Annex 97/Cities TCP Task 5 “Sustainable Cooling in Cities”: Learnings from the State-of-the-Art Report (more info)

Methods and experiments to assess urban cooling

Claudia Fabiani – University of Perugia, Italy

Water misting to cool urban environments

Craig Farnham – Osaka Metropolitan University, Japan

Urban cooling policy practices of 13 cities

Theofanis Psomas – Munster University of Technology, Ireland