Eco Idealu

Passive House certified insulation with premium wood and a modern design

Uw - Wert
≥ 0.78

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Eco Idealu

The Eco Idealu takes wood aluminum windows to the next level by combining an additional layer of insulating foam with the beauty of wood and toughness of aluminum. It achieves excellent thermal performance and gives your home a luxurious look both inside and out. Together with triple glazing and warm edge spacers, the Eco Idealu can achieve impressive passive house certified Uw-values as low as 0.14 (W/m²K) thanks to its special polyurethane insulating wedge which ensures the aluminum does not contact the wood . This ensures vapor diffusion and excellent energy values. The Eco Idealu’s sleek look makes it ideal for modern architectural projects and perfect for passive house builds. Customize it further with special glazing options and the choice of different colors and finishes for each side.





3 13⁄16"

Frame Depth


Sealing Levels


Metric U-factor (W/m²K)

Details & Advantages of the ECO IDEALU Series

  • 7.3 R-value or U-factor of 0.14 (metric: 0.78 W/m²K) based on configuration
  • 31316 inch (97 mm) Installation of depth with triple glazing possible up to 2116 inches (52 mm) thick.
  • Wide range of wood species – pine, spruce, larch, alder, cherry, walnut, birch, eucalyptus, meranti, and even Maple and Oak
  • A wide range of paints and varnishes for the interior and exterior
  • Low maintenance aluminum shell provides a weather barrier and thermal insulation - available in your choice of RAL color
  • Extrusion-formed foam insulation within the wood laminate provides additional insulation
  • Thermally separated aluminum shell
  • Quality German Winkhaus hardware with tilt & turn opening, and optional concealed hinge design
  • Multipoint locking and fail-safe position locking handles provide safety and security
  • Profiles can be manufactured in an array of arches, angles and shapes to suit any building project
  • Glued wood edge bands with a continuous laminated top layer
  • Welded corners, edge pins with double slots, cams and v joints.
  • 100% Made in Germany
  • Grade 1A wood
  • 10 year guarantee on aluminum cladding and 5 year guarantee on wood surfaces

Extraordinary Energy Efficiency with Additional Insulating Foam

ECO IDEALU profiles impress by combining the benefits of wood with the the strength and weather resistance of aluminum. Despite advances in synthetic frames made of vinyl, wood continues to excel in many areas.

Combined with gas filled triple glazing, warm edge spacers and our innovative polystyrene foam, these window profiles go from strength to strength. The outer aluminum shell provides additional protection against heat loss. 

The benefits of our premium ECO IDEALU line will last well into the future. Long after they pay for themselves, they'll continue saving you money monthly on energy bills and saving you time every year with little maintenance required.

Discover the Variety of Designs

ECO IDEALU profiles make a great impression with their beautiful wood interior look and sleek aluminum exterior. A wide range of RAL colors are available for both the aluminum and wood also offering the option to different colors on each or a simple natural varnish for the inside. Your choice of muntins, hardware and design mean you get an energy efficient, premium window in exactly the look and configuration you want. 

The ECO IDEALU profiles makes a great addition to any home or apartment facade adding a modern look on the exterior and warm natural one on the interior.

The most popular energy-saving windows at a glance

Want to learn more about energy saving and how you can reduce costs by up to 40%? Then head to our informative page about energy-efficient windows and discover the thermal features that set our window profiles apart.

View energy-saving windows

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