TheDIALux
DIALux is used free of charge as a planning tool by more than 750,000 lighting designers worldwide.
The software meets the requirements of modern lighting design and lighting calculation.
You can plan and design using the electronic luminaire catalogues of the world's leading luminaire manufacturers. Superimpose on the CAD data of other architectural programmes and create your own lighting design. From DIALux evo version 7 on, the import of .ifc- files enables the designer to seamlessly integrate the lighting design in the BIM workflow.
While you plan creatively, DIALux determines the energy your light solution requires and supports you in complying with the respective national and international regulations. Visit http://www.dialux.com for the latest version and join our DIALux Community for free: https://community.dialux.com/ for support, get in touch with the DIALux staff and interact with other lighting designers.
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DIALux evo 13.2: Even stronger in IFC-based planning
DIALux User Meetup 2025 in Lüdenscheid
New in DIALux evo 13.1: Powerful tools for light emission analysis
DIALux OpenWebinar: Optimiere deinen Workflow mit Metaroom
DIALux OpenWebinar: Boost Your Workflow with Metaroom
New in DIALux evo 13: Obtrusive Light Calculation
Tutorial: How to Calculate Obtrusive Light with DIALux evo 13
New in DIALux evo 13: Improved BIM integration, collaboration with Metaroom and DDScad
DIALux OpenWebinar: Lighting Design With Open BIM
DIALux evo 12.1: Handling of DWG files, improved IFC import + many other improvements
DIALux evo 12: IFC Import/Export (Pro), GLDF support
DIALux Pro: IFC-Import/Export Feature (OpenBIM)
DIALux Pro: Export Feature
Webinar: Discover what DIALux evo can do for you
DIALux evo 11: Save energy, work with EN 12464-1:2021-11, save your own furniture and much more
Tutorial: Save energy in your lighting projects with DIALux evo 11
4.2 How to work with luminaire arrangements in DIALux evo
5.1 How to handle the utilisation profile and the maintenance factor correctly in DIALux evo
4.1 How to import a luminaire in DIALux evo
2.3 How to construct complex architecture in DIALux evo
2.2 How to plan a room based on a sketch in DIALux evo
2.1 How to import a plan in DIALux evo
1.0 Introduction to our free DIALux evo basic course
1.1 How does the DIALux evo user interface work?
Tutorial: Emergency lighting with DIALux evo 10
Development Preview: Emergency Lighting in DIALux evo
DIALux Pro Feature Export: Get rid of digital paperwork
Release DIALux evo 9.2