A Passive House is one that meets some of the highest standards in air quality and energy efficiency. Specifically, it allows homeowners to maintain a constant, comfortable indoor temperature while using 90 percent less energy than the average.
Here at K&K Windows we offer a system that is Certified for the warm-temperate category. This system offers exceptional thermal insulation thanks to its special foams on the frame and sash. With a transmittance value Uw from just 0.66 W/m²K, it is an ideal solution for buildings with low energy consumption.