Airtightness is one of the most important factors in building true High Performance Homes. Learn what airtightness is, why it matters, and how an airtight enclosure boosts energy efficiency, comfort, and insulation performance.

High Performance Homes are defined by design, high insulation, Airtight enclosure, high performance windows and doors, and ventilation with heat recovery. Explore the features that make these homes healthier and more comfortable than conventional builds.