ReluxDesktop 2026 [Beta]

We have improved and expanded the free lighting design software ReluxDesktop 2026 (Beta) with impressive new features. In addition to the long-awaited Add-on ReluxSport, which is available in parts as a free version and also as a paid add-on (for professionals), EN12464-2:2024 has now been implemented. You also benefit from a huge selection of 3D objects thanks to the connection to the pCon.Catalog. The IFC interface has been improved and now offers a free IFC export*. You can learn about the new features of ReluxSport in the webinar video.

New in ReluxDesktop 2026 Beta

• ReluxSport (Basic and Pro)
• EN 12464-2:2024
• pCon.catalog (3D objects)
• improved IFC interface (free IFC export*)

* IFC export included in the next update in January 2026

All these improvements are now available in the latest version of ReluxDesktop in a beta. Install the beta version in parallel and test the new features. (All features are available free of charge until 31 January 2026.)

Be among the first to try out the new ReluxDesktop version 2026 Beta.

Download ReluxDesktop 2026 Beta

Download the ReluxDesktop version 2026 Beta and take advantage of the latest features, such as ReluxSport, pCon.catalog with a massive 3D data library and the IFC export*.

Download

Please note: Version 2026 Beta will be installed in parallel and is not backward compatible.

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The latest updates at a glance

ReluxSport

EN 12193:2018 implementation with graphical sports areas, MAUR (Maximum Allowed Uniformity Ratio), light scenes to cover lighting classes, on the fly radiosity calculation, multiple views with multiple values, luminaire grouping and mirroring assistants, extended luminaire tab with array options, movable luminaire arrows, new print outs.

ReluxSport – All key functions in detail

Graphic sports areas

• Playing fields for football, tennis, basketball, athletics, volleyball, etc
• Sports areas include norm-relevant evaluation zones such as Principal Area (PA) and Total Area (TA) according to EN 12193.
• Display of relevant areas including camera and TV zones (PRO version) 
  

Lighting classes & lighting scenes

• Definition of training and competition classes (Class I–III)
• Separate lighting scenes can be defined and evaluated for each class within one project.

MAUR (Maximum Allowed Uniformity Ratio)

• Visual representation of uniformity using MAUR.
• Uniformity values are displayed directly on the relevant evaluation areas for clear and fast interpretation.

On-the-fly radiosity calculation

• Quick switching between scenes
• Immediate display of lighting values

Multiple views & measurements

• Parallel windows with individual viewing angles
• Comparison between training and competition modes
• Viewing angles for goalkeeper, sideline and camera positions (PRO)

Luminaires-Management

• Grouping and mirroring luminaires
• New arrow tools for alignment
• Array functions for efficient distribution
• Significant time savings for large installations

New Printouts

• Standard-compliant EN 12193 printouts
  
• Clear tables for lighting scenes, requirements and results
  
• Consistent documentation of multiple lighting scenes

Webinar video ReluxSport Demo

FUN with RELUX – Episode 46

Get exclusive insights with Klaus and Robert – this time focusing on ReluxSport, the new add-on for standards-compliant sports lighting planning.

Video EN   Video DE

«By grouping luminaires, their alignment on the playing field can be defined in parallel and simultaneously. This supports efficient planning.»

Klaus Heiss, vice CTO, RELUX Informatik AG 

EN 12464-2:2024

The new standard for outdoor workplaces has been fully implemented.

✅  New requirements for outdoor workplaces
✅  Context modifiers integrated
✅  Clear presentation in the user interface

pCon.catalog with massive 3D library

ReluxDesktop 2026 gives users direct access to pCon's huge 3D library.

✅  Access via Insert – 3D Object
✅  High-quality furniture, fittings, interior objects
✅  Ideal for realistic scenes in architecture and interior design projects

Improved IFC Interface

✅  IFC import recognises significantly more objects
✅  New filter for quick selection of relevant elements
✅  Preparation for IFC export
✅  Basis for IFC-based BIM workflows

Download ReluxDesktop 2026 Beta

Download the ReluxDesktop version 2026 Beta and take advantage of the latest features, such as ReluxSport, pCon.catalog with a massive 3D data library and the IFC export*. 

Download

Please note: Version 2026 Beta will be installed in parallel and is not backward compatible.

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