KF Window Technology - Passive+ windows are PHIUS-certified and deliver exceptional performance. The seamless integration of premium components sets these windows apart. Only the highest-quality materials are used:
 

• Profile System: Salamander bluEvolution 82

• Fittings: Siegenia Titan

• Glass: Saint-Gobain

• Spacer: Swisspacer Ultimate
   

These Passive House windows stand out with their superior energy efficiency, achieved through an advanced 6-chamber design and three sealing levels, including a hardware-protecting center seal made from high-quality EPDM. They can accommodate insulating glass units with up to four panes and feature warm edge spacer bars for unparalleled thermal performance.

The ideal choice for your Passive House project!

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PERFORMANCE SUMMARY*
 

• U-value (BTU/hr.ft².°F)

• U-glass (BTU/hr.ft².°F) 

• SHGC (Solar Heat Gain Coef.)

• VT (Visual Transmittance) 

• Air Infiltration (cfm/ft²)

• Water Penetration (psf)

• Design Pressure (psf)

• Performance Class

• OITC / STC

• Building Depth (inch)

• No. of Chambers

• No. of Gasket Levels

• Recyclable

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*Best achievable values per component (operable window / tested size). All of the information on this page is offered in good faith. Always discuss your performance requirements and confirm any and all performance data with your Product Representative before your purchase.

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