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 of Architectural Projects
Passive House Designer
Stephen Donoghue
Director of Innovation & Growth
Passive House Designer
Mairead Healy
Financial Director
Eduardo Roque
Associate Director
Passive House Designer
Mariana Moreira
Architect and
Passivhaus Certifier
Shane Kinsella
Associate Director
Passive House Certifier
Denis Manzke
Associate Director
Passivhaus Consultant