Dialux 43 [upd] (2026)

DIALux 4.13 is a established and widely used lighting design software, particularly valued for its robust handling of complex projects, including both interior and exterior facade lighting DIALux evo

: Minimum 4 GB, though 8 to 16 GB is recommended for professional workflows.

The DIALux 43 is not merely a lighting controller; it is a

DIALux 4.3 was deployed in an incredibly wide range of professional scenarios, from small-scale interiors to large-scale urban planning: dialux 43

DIALux evo DIALux 4.3 files directly. To migrate:

Place calculation grids at the specific height of the tasks being performed—typically 0.75 meters above the floor for office desks. You can also place vertical calculation surfaces on walls to evaluate wall-washing effects or art gallery displays. 5. Running the Calculation and Analyzing Results

After completing a design, DIALux 4.3 could automatically generate comprehensive and professional reports. These reports could include a project's logo and details, detailed luminaire data sheets with photometric curves, layout drawings, and illuminance calculations. This automated the final documentation step, saving valuable time for lighting professionals. DIALux 4

| 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 |

While DIALux evo 14.0 is the current, supported version for new projects, you can still find legacy 4.x versions online through manufacturer websites or archival sites. Download and install DIALux 4.3.

DIALux 43 – Old, but gold.

Visual gradients showing light distribution intensities.

To truly appreciate DIALux 4.3, it's important to understand its place in the software's history. DIALux was first released in 1994 by DIAL GmbH, a German company based in Lüdenscheid. The version 4.x series represented a significant evolutionary phase. DIALux 4.3, released around 2007, introduced several refinements and new features over its predecessor (4.2), while laying the groundwork for versions 4.4 and 4.5 that followed.