Tools and calculators

All our free VELUX tools to help you choose the right solution.
Discover our tools

Replacement configurator

Quickly and easily find out which New Generation roof window to use when replacing your customers' windows.
Find replacement solution

Roof window price configurator

Configure a single roof window solution in seven easy steps. View all sizes, operation types, and flashings to generate an instant product quote.
Configure roof window

Daylight Visualizer

The VELUX Daylight Visualizer accurately calculates daylight levels to make complex analysis accessible at the start of a building project.
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Energy and Indoor Climate Visualizer

Our Energy and Indoor Climate Visualizer enables design adaptations at any stage of the project.
Explore indoor climate visualizer

Dealer Extranet

With VELUX Dealer Extranet, you get access to a secure online ordering system to process and track orders, get quotations, and view account details.
Open Dealer Extranet

Technical resources

Find easy-to-use installation instructions and video guides, BIM objects and CAD drawings as well as further reference material for your project.
Find technical resources

Digital brand guidelines

The following guides allow you to use the VELUX trademark and brand name - correctly and in confidence - as part of your own marketing plans.
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VELUX daylight calculator – get the daylight ratio right

Discover the right number of VELUX roof windows to achieve the optimal daylight in your extension, renovation or loft conversion
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