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Creating windows and doors with a unique design to enhance your living space

with its timeless design and intelligent technology, we propose visual accents, while its excellent thermal insulation delivers energy savings and increased value for your home

Windows & Doors

use our online configurator to receive a quote tailored to your specific needs
Windows
Doors
Request a quote

Creating windows and doors with a unique design to enhance your living space

with its timeless design and intelligent technology, we propose visual accents, while its excellent thermal insulation delivers energy savings and increased value for your home

Request a quote
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Custom Window Configurator

Online Window Configurator

As a dedicated customer-centric company, we understand the importance of personalized service. Our knowledgeable team is here to guide you through the selection process of your windows, answer your questions, and provide expert advice tailored to your specific requirements.

Windows and Doors Project Planning

Benefits of a window project with us

Our expert window team can guide you through brand opening options as these may vary depending on production capabilities

Our team will take the necessary measurements to ensure this is properly aligned with the implementation plans.

We offer professional installation services in your home to ensure your new windows are installed to standards.

We guarantee the best price on the market for all window profiles we supply.

Aluminum windows from our production have recommended themselves as very durable, strong and corrosion-resistant building solutions. Moreover, this material is â„– 1 choice for eco-nuts due to its extreme recyclability and environmentally friendly composition. Guaranteed!

MANUFACTURERS

We work with the best in the industry

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WINDOWS INSULATION EXPLAINED

The overall thermal efficiency of a window, represented by the Uw value, is not a simple average of the U-values of the glass (Ug) and the frame (Uf). Instead, it's calculated by taking into account the proportion of the window that is glass versus frame, as well as the linear thermal transmittance of the edge of the glass (also known as the Psi value, Ψ).
Here's a simplified formula to give you an idea of how the Uw value is calculated:



Where:
  • Uw is the overall U-value of the window.
  • Ag is the area of the glazing (glass).
  • Ug is the U-value of the glazing.
  • Af is the area of the frame.
  • Uf is the U value of the frame.
  • Lg is the length of the glass edge.
  • Ψg (Psi value) is the linear thermal transmittance of the glass edge.
To calculate the overall U-value of a window, you would need the exact measurements of the glass and frame areas, the U-values for both, and the linear thermal transmittance of the glass edge. This calculation is typically done using specialized software that takes into account the complex interactions between these elements.

For example, if you have a window with:
  • A glass area (Ag) of 1.2 m² with a Ug value of 1.1 W/(m²K),
  • A frame area (Af) of 0.3 m² with a Uf value of 1.5 W/(m²K),
  • A glass edge length (Lg) of 6 m with a Psi value (Ψg) of 0.04 W/(mK),
The calculation for the overall U-value (Uw) would be:



The overall U-value (Uw) for the window, calculated using the given formula, is approximately Uw=1.34 W/(m²K).
This value represents the heat transfer coefficient of the entire window, including the frame and the glazing.

This example is a simplification and does not take into account all the possible complexities of a real-world scenario, but it illustrates the general approach to calculating the overall U-value of a window.
Opening system types

 Fixed glazing: The sash has fixed glazing. It cannot be opened.

 Open to left: The sash can be opened. It opens from right to left.

 Tilt-and-turn left: The sash can be turned and tilted. The sash opens from right to left.

 Tilt: The sash can only be tilted.

 Open to right: The sash can be opened. It opens from left to right.

 Tilt-and-turn right: The sash can be turned and tilted. The sash opens from left to right.

 Swing windows: Rotates inwards horizontally on a central axis.

 

Choose the type of material for your window.
Below is an overview of key features for each type.
ALUMINIUM WOOD-ALUMINUM WOOD PVC PVC ALUMINUM
Durability +++ +++ ++ ++ +++
Maintenance ++ ++ ++ +++ +++
Insulation ++ ++ ++ +++ +++
Weather resistance +++ +++ + ++ +++
Security +++ +++ +++ ++ +++
Climate footprint + ++ +++ + +
+ = neutral | ++ = good | +++ = very good

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