Join Ireland's leading event for zero-emission buildings on 23rd September at the RDS, Dublin. Each year, ZEB Summit brings together architects, engineers, developers, policymakers, local authorities, housing bodies, contractors, researchers and manufacturers to accelerate the transition to high-performance, climate-resilient buildings. Hear from James Browne TD, Minister for Housing, Prof. Wolfgang Feist, founder of the Passive House Institute, Matt Risinger of The Build Show, and other leading Irish and international experts.
Featuring a strong conference programme, practical case studies, site visits, industry awards, networking opportunities and a dedicated exhibition of leading technologies, attendees will gain real-world insights into retrofit, building performance, specification, policy and delivery while connecting with the people driving change across the sector.
Dublin Chambers members can avail of an exclusive 25% discount using code: DCHAMBER25
View the full programme: What's On at ZEB Summit
ZEB Summit 2026 has announced its highly anticipated speaker and programme line-up, bringing some of the world's leading voices in sustainable construction, building science and climate-focused design to Dublin this September 23rd, 2026.
As Ireland's only event dedicated exclusively to Zero Emission Buildings, ZEB Summit 2026 will bring together industry leaders, policymakers and practitioners to explore the technologies, projects and practical solutions helping deliver high-performance buildings that meet increasingly ambitious climate targets.
With Zero Emission Building requirements for new public buildings coming into effect from 2028, and for all new buildings from 2030, demand for practical guidance, proven solutions and technical expertise has never been greater. ZEB Summit plays a pivotal role in supporting the industry through this transition, bringing together educational talks, live demonstrations, innovative workshops and much more.
Delivered in collaboration with Event Partner, Dublin City Council, ZEB Summit 2026 will be officially opened by Minister James Browne TD, Minister for Housing, Local Government and Heritage, and will bring together some of the most influential international voices in sustainability, architecture, construction, retrofit and building science, including:
- Prof. Dr. Wolfgang Feist: World renowned physicist who developed the Passivhaus concept and founded the Passivhaus Institute in Darmstadt in 1996, where he remains head of research.
- Matt Risinger: International Building Expert from Texas, Founder of Risinger Build and creator of The Build Show, one of the world's most influential online platforms dedicated to building science and high-performance construction, reaching millions of professionals and homeowners each year.
- David Mikhail: Stirling Prize-winning architect and Founding Director of MIKHAIL RICHES. Responsible for Goldsmith Street, 105 Passive homes for Norwich - the only social housing scheme ever to win the RIBA Stirling Prize.
- Emma Fletcher: Innovation Director at Octopus Energy, leading one of the UK's most ambitious programmes demonstrating how homes can be designed to produce as much energy as they consume.
- Michael Ingui: Internationally recognised architect and global Passivhaus leader, President of Ingui Architecture.
Alongside the international headliners, ZEB Summit 2026 will bring together 60+ influential industry speakers from Ireland including:
Tomás O Leary, Co-Founder and Managing Director of Mosart and internationally recognised Passivhaus expert, Tomás is a key Irish voice who can contextualise what the move from NZEB to ZEB means for Ireland; Harrison Gardner, Eco-builder, educator, author and co-founder of Common Knowledge, presenter of RTÉ's Build Your Own Home (returning to RTE this autumn), known for making low-carbon building accessible to self-builders and homeowners; Dr. Ciara Ahern, Senior Lecturer in Building Engineering at TU Dublin; Ciarán Cuffe, former MEP and climate advocate; Dr Barry McCarron, Managing Director of KORE Retrofit; Caroline Ashe-Brady, Commercial and Sustainability Director at KORE Group, Chair of the Passive House Association of Ireland (PHAI); Madeleina Loughrey-Grant, Chief Strategy and Sustainability Officer at Cairn; Jennifer Whitty Sustainability Manager, Tuath Housing, one of Ireland's largest Approved Housing Bodies, delivering large-scale sustainable housing programmes; Joseph Little, Passivhaus expert; environmental broadcaster Duncan Stewart; Simon Jones, founder of the Air Quality Matters podcast. Together, the programme offers practical insight into the challenges and opportunities shaping the future of Zero Emission Buildings.
Programme highlights include:
- ZEB Lab – Technical Deep Dives & Industry Debate
- Matt Risinger's Fastest Wrap Challenge
- Expo Stage – products, technologies, case studies and live demonstrations
- Retrofit Workshop & Live Site Visit
- New Build Workshop & Live Site Visit
The full programme and workshop line up is available to view on the ZEB Summit website here. Workshop places are limited, and early booking is recommended.
ZEB Summit – The Science of Zero Emission Design, will return to the RDS, Dublin on 23 September 2026, bringing together Ireland’s construction and built environment leaders alongside an increasingly international audience at a pivotal moment for the industry. Hosted by Mosart, Ireland’s leaders in sustainable, high-performance Passivhaus design, and delivered in collaboration with Event Partner Dublin City Council, the summit will once again act as a focal point for the conversation around how Europe delivers buildings that meet tightening climate regulations and perform in the real world.
ZEB Summit 2026 is proudly supported by organisations at the forefront of high-performance building in Ireland. Returning Platinum Partner Cairn, Main Stage Sponsor NorDan Vinduer and Hospitality Sponsor Partel are helping advance building performance through the projects, products and systems driving the transition to Zero Emission Buildings.
Tickets for ZEB Summit are available now on the website, where visitors can also find further information about the programme, workshops and participation opportunities. For the latest news follow ZEB Summit on Instagram, and LinkedIn.