Passive house window

The passive house window is not really a window type. The term passive house window relates to the thermal insulation characteristics of the window. A window with passive house standard features a particularly high thermal insulation value. The heat transfer coefficient Uw has to comply with the European standard and be less than or equal to 0.8 W/m2K. Every window with an Uw-value less than or equal to 0.8 W/m2K is therefore a passive house window and suitable for installation in passive houses and is eligible for support through corresponding programmes.

Passive house windows are not restricted to installation in passive houses only. Windows complying with the passive house standard can be used in refurbishment projects on old buildings as well as in any new building. Passive house windows enhance living comfort and help reduce heating costs substantially!

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The advantages of passive house windows at a glance

  • High level of cosiness – no “lake of cold air” developing in the proximity of the window.
  • No natural draught caused by different temperature layers in the proximity of the window.
  • The inside surface temperature of a passive house window does not drop below 17 degrees centigrade, even in winter.
  • As a result of the very good insulating properties it is no longer essential to install radiators in the window area. This allows additional freedom when designing and furnishing your home.
  • The extra costs for a passive house are minimal nowadays and amortisation is realised quickly due to the high level of energy efficiency.
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Passive house windows – a technology that makes sense!

The outstanding thermal insulation properties of a passive house window are first and foremost due to its very high quality frame technology in combination with triple glazing. The U-value of the finished window is a function of the U-value of the frame, the glazing and the spacer installed for the edge seal. You can find more detailed information on the calculation of U-values on our Info Page U-values.

Passive house windows also feature a high solar energy transmittance. This means that the natural heat from the sun’s radiation can be utilised more effectively. This enhances the energy balance of the building and reduces the annual primary energy requirement. Thus, besides all the advantages relating to living comfort, passive house windows are particularly suitable for reducing energy and heating costs. Together these advantages offer builders and residents a clear advantage, especially when used in new buildings and refurbishment projects.

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Passive house standard with window profiles from Inoutic

The Inoutic window profile systems are excellently suited for the passive house standard based on their innovative frame technology and high quality.

The premium system Eforte with its unique frame U-value can implement the passive house standard very cost effectively. Eforte adjusts perfectly to meet your every individual requirement for an outstanding living comfort and is also optionally available with aluminium cladding.


Energy saving window Eforte

Our local Inoutic partners will be pleased to answer any of your questions regarding passive house windows.

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