Passive House Windows and Doors for your home Phius certified high-performance and energy-efficient windows and doors. Book a Consultation Passive House Standards Energy SavingHomes built to Passive House standards use 75-90% less energy for heating and cooling than typical buildings.They also include higher air quality and uniform indoor temperatures. Passive House windows and doors conserve energy Basic building-science principles:Airtightness – provides extremely low air leakage performanceThermal Insulation – improves thermal comfort and reduces the risk of condensation High performance – allows solar radiation to warm up the interior in winter and minimize radiation in the warmer monthsThermal bridge free components – supplies continued insulation using low or non-conducting materials Multifamily development in Washington Heights:NYC home built to Phius standards, featuring AluStar Windoors. Window Frame: Thermally broken aluminum (U-0.2)Window Glazing: Triple Glazed window Ug=0.088 Btu/hr/ft2Entrance Door: Triple glazed aluminum storefrontSee the project here. Single-family development in Cambridge: Massachusetts home built to Phius standards, featuring AluStar Windoors. Window Frame: Thermally broken aluminum (U-0.2)Window Glazing: Triple Glazed window Ug=0.088 Btu/hr/ft2Entrance Door: Triple glazed aluminum exterior door with electronic entry keypadSee the project here.