For over 30 years, we’ve led the way in zero-carbon, energy-efficient design – combining Passivhaus expertise, innovation and collaboration to deliver sustainable, high-comfort buildings that shape a better, more inclusive future.
Shaping a sustainable tomorrow
We’re dedicated to driving the future of architecture through Passivhaus. We collaborate with developers, architects and builders to create energy-efficient, comfortable and ecologically balanced spaces. We are committed to creating healthier buildings that will make a lasting, positive environmental impact.
Building on our strengths
We nurture talent, foster innovation and champion collaboration – empowering our team to shape the future of sustainable design and deliver Passivhaus buildings that lead by example.
Excellence
Excellence drives everything we do – crafting Passivhaus buildings that go beyond expectations to deliver sustainable comfort and better living every day.
Sustainability
Sustainability shapes every aspect of our work – we design projects that cut energy use and carbon emissions, helping create a healthier planet for today and tomorrow.
Collaboration
Collaboration powers our approach – by working closely with clients and partners, we combine expertise and ideas to deliver smarter, more innovative results on every project.
Resilience
Resilience underpins every project – we stay flexible and solutions-focused to deliver designs that stand the test of time and support long-term sustainability.
Tomás O’Leary
Founder & Managing Director
Passive House Certifier
Art McCormack
Founder & Director
Passive House Designer
Jill Noctor
Director
Stephen Donoghue
Director of Innovation & Growth
Passive House Designer
Mairead Healy
Financial Director
Dr. Eduardo Roque
Associate Director
Passive House Designer
Shane Kinsella
Associate Director
Passive House Certifier
Denis Manzke
Associate Director
Passivhaus Consultant