102 Passive house windows

What is a Passive House window?

Most energy-conserving windows fall into the catagory of double glazed windows. QXL’s passive house windows have three panes of glass, significantly increasing the insulating power. High performance passive house 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.  

Passive House windows are:

Airtight

Highly insulating

Available with high SHGC glass

Performance Parameter:

Wind load resistance performance:  Grade 6

Airtight performance: Grade 8

Watertight  performance: Grade 4

Thermal insulation properties: Grade 10