GGU 008230 is passive house-certified for cold climate regions

From xxxx €

We are introducing GGU 008230, which is ideal for situations where Passive House-certified building components are required. This is the first and only roof window on the market certified for Passive House building constructions in cold climate regions* as shown in the geographical map in the gallery. 

This roof window consists of a triple outer-glazing plus an additional inner double-glazing.

The roof window itself has a Uw 0,51 W/(m2K) (EN ISO 12567-2), which is the best on the market. The roof window is powered by the sun. For increased comfort, solar-powered shutters or awning blinds can be added. Our unique touch-screen control pad lets you operate the complete solution in a convenient and intuitive way. 

* requires flush installation with either EDJ 2000 or EDN 2000 flashings.

Benefits 

  • Energy saving – best on the market

  • Increased comfort with use of the pre-defined ventilation programs

  • Don’t worry about the rain – Rain sensor

Prices and Sizes - >Link to PDF

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Product details

Maintenance-free 
  • 2
    Triple outer-glazing

    Triple outer-glazing

    This window comes with an advanced triple outer-glazing plus an additional inner double-glazing - providing extreme heat insulation. You will therefore experience a warmer home and lower energy bills. The glazing on GGU 008230 is specially designed for Passive House constructions.
  • 3
    Solar powered operations

    Solar powered operations

    The roof window comes with a solar-powered motor and a control pad that makes it easy to open and close the window.
    Add VELUX ACTIVE to get a healthier indoor climate automatically.
  • 4
    Rain Sensor

    Rain Sensor

    All our solar powered roof windows come with a rain sensor. This means that the window automatically closes when it starts to rain – so you never have to worry about the rain damaging your interior. A very useful feature, if you are busy, in another room or not at home.
  • 5
    How to clean your window

    How to clean your window

    Easy cleaning with maintenance-free polyurethane surface and inner double-glazing that can be opened.
  • 6
    Maintenance

    Maintenance

    If you want to prolong the longevity of your VELUX roof window or simply give it a touch up, this is the place to look.

    VELUX offers a range of products that will come in handy if you want to replace an air filter, repair a scratch, lubricate hinges, paint your window and give it a new and shiny look.

  • 7
    Blinds and Shutters

    Blinds and Shutters

    Complete your VELUX roof window with a VELUX blind. VELUX blinds offer effective sun screening and heat protection to suit every need. Choose among exterior awning blinds or a range of interior blinds - with manual or solar powered operation.
  • 1
    ThermoTechnologyTM

    ThermoTechnologyTM

    Experience a more comfortable home and lower energy bills with VELUX ThermoTechnology™. Innovative use of high performance materials in the window construction provides excellent energy efficiency, insulation and an airtight seal. Look for the ThermoTechnology™ seal for your guarantee of excellent energy efficiency.
    Maintenance-free

Materials

VELUX roof windows are available in various finishes, glazing and operation options. Click on the relevant section opposite for further information
  • Internal  finish
    Delivered in maintenance-free finish 

    White maintenance-free finish

    Maintenance-free roof windows feature a strong core of thermo-modified wood with a seamless waterproof polyurethane coating.
  • Exterior finish
    All VELUX roof windows come with grey aluminium exterior covers. You may also select copper, titanium zinc or coloured aluminium.

    Aluminium

    All VELUX roof windows come with grey aluminium exterior covers. You may also select copper, titanium zinc or coloured aluminium.
  • Glazing performace

    VELUX roof windows are available with different glass units offering a variety of features in order to specific customer needs or local requirements.

    --8230 Triple glazed unit

    This window comes with an advanced triple outer-glazing plus an additional inner double-glazing - providing extreme heat insulation. The glazing on GGU 008230 is specially designed for Passive House constructions.

Get inspiration and details from our brochures

Daylight eBook

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Lofts eBook

Download our interactive eBook and get all the advice you need for bringing light into your space.
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Extensions eBook

Pitched or flat roof extension? Download one of our eBooks for advice on the perfect daylight solution for your project.
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For professionals

Are you an installer, architect or a dealer – follow the below links to find more information about installation, drawings and technical details. If you are looking more tools and information - go to the professional section to find even more such as installation videos, architect cases, CE marking, how to become a VELUX certified installer

Find Technical product information like: roof pitch, certifications, daylight area and technical value
Technical details
Correct installation is essential for the success of your project. Download the PDF or watch the video for your VELUX project
Installation guidelines
Free download links for all the most popular roof windows, including CAD and BIM software models.

CAD/BIM

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