High performance passive house windows, such as Zola Windows, are a key ingredient in this revolutionary approach to sustainable design. Passive Houses must be extremely air-tight and well-insulated, and it is impossible to achieve this in a building without extremely well crafted windows.

High performance passive house windows, such as Zola Windows, are a key ingredient in this revolutionary approach to sustainable design. Passive Houses must be extremely air-tight and well-insulated, and it is impossible to achieve this in a building without extremely well crafted windows.