DIALux 4.13 is a comprehensive, free software tool used for calculating and visualizing indoor, outdoor, and street lighting. Developed by DIAL, this classic version provides a robust calculation engine that complies with international standards, such as EN 12464-1 for indoor workplaces and EN 13201 for street lighting. Unlike DIALux evo, which focuses on entire buildings and architectural spaces, DIALux 4.13 operates on a project-by-project, room-by-room basis, making it exceptionally fast for straightforward engineering tasks. Key Features and Capabilities Accurate Calculation Engine
| Feature | DIALux 4.3 | DIALux evo (current) | |--------|-------------|------------------------| | 3D modeling | No | Yes | | Luminaire updates | Stopped ~2015 | Ongoing (manufacturer cloud) | | BIM support | No | Yes (IFC, BCF) | | OS support | Win XP – Win 7 | Win 10/11 64‑bit | | License | Free | Free | dialux 43
Have a specific question about DIALux 43? The legacy forums on Licht.de and Reddit’s r/lightingdesign remain active. Search for "DIALux 4.3 help" – the community keeps this software alive. DIALux 4
Upgrading to evo is essential for leveraging contemporary lighting design concepts that embrace sustainability, daylight integration, and building information modeling. Key Features and Capabilities Accurate Calculation Engine |