Passive House

At Fenstür, we’re redefining what it means to build sustainably. Our Passive House–certified windows and doors are engineered to deliver the highest levels of energy efficiency, comfort, and performance—without compromising on design or craftsmanship.

Every Fenstür Passive House product is crafted with precision in Canada, blending European-inspired engineering with North American innovation. Using advanced materials, airtight construction, and superior thermal insulation, our systems help you achieve ultra-low energy consumption while maintaining a quiet, comfortable indoor environment year-round.

Whether you’re building to Step Code 5, pursuing Passive House certification, or simply aiming for the most efficient, beautiful home possible, Fenstür provides the solutions to get you there—sustainably, elegantly, and built to last.