Practical Solutions.
Better Building.

Green Giant Design Build’s mission is simple — make high-performance, energy-efficient building the standard. Over the last 20 years, CEO Adam Cronk has worked on every part of Passive House construction, including design, pre-fabrication, ventilation, hygrothermal analysis, and certification. GGDB believes that integrated processes and products make building simpler, more affordable, and more sustainable, which is why we like to work with our clients on system-wide solutions. We draw from decades of experience to eliminate construction bottlenecks, ensure accuracy, and reduce costs.

Learn More about Adam and Green Giant Design Build.



Green Giant Design Build works with Passive House and pre-fab builders, homeowners, designers, and government agencies to reduce costs, establish quality control procedures, assess workflows, and improve energy-efficiency.

Green Giant Design Build is the Canadian distributor for Jablotron Living Technology. Jablotron’s Passive House certified, integrated systems provide ventilation as well as heating, cooling, and de-humidification all in one.

Green Giant Design Build offers a number of custom solutions meet your needs. From foundations, to studs, to 3D printed gaskets, we can provide building components that help you reduce labour and improve affordability.