About Us

Experts in energy-efficient building design and prefab panels

Built on Passive House Principles

We are dedicated to accelerating the North American construction sector’s transition to net-zero building standards with energy-efficient design and build solutions.


Passive House Institute (PHI)–certified panels


Quantum Passivhaus model homes
Powered by Building Science

Our story

Since 2017, our team of design, engineering, and construction experts has been using building science practices to meet the growing demand for comfortable, cost-efficient, and ecologically smart buildings. While the roots of Quantum Passivhaus lie in the design and construction of high-efficiency custom homes, today we provide a range of prefab building solutions for commercial, residential, and mixed-use new builds and retrofits. We are based in Minden, Ontario, and serve customers across North America.

Passive House Expertise

Training industry professionals

To maximize the impact of our energy-efficient building expertise, we provide hands-on training to skilled trade professionals. We are committed to sharing the best building science and our years of experience to help develop and support high-performance prefab construction capabilities within the building and retrofit sector.

Your Trusted Partners

Our core team

Abby Xerrilinkdin
President and Founding Principal
Angie Horner-Xerrilinkdin
Founding Principal, Passive House Planner
Paul Caldwell
Finance Manager
Josh Kuehnilinkdin
Site Foreman
Blair Cunningham
Sales & Project Development
Sara Bradley
Structural Engineer
Mike Xerrilinkdin
Shop Manager

Contact Us

Ready to connect?

Our expert team is ready to answer your questions.