Dialux 4.1 Official

While the software developer DIAL has moved on to the more modern DIALux evo series, version 4.1 (and its immediate successors like 4.12 and 4.13) remains a legendary tool in the industry. It is the "old reliable" found on the hard drives of senior lighting designers, electrical engineers, and sales professionals worldwide.

Can be prone to crashing on some systems but offers better interfaces. Practical Applications dialux 4.1

Let’s walk through a basic project – lighting an office of 10m x 8m. While the software developer DIAL has moved on

Go to Output > Print Preview . You can create a professional report including: Practical Applications Let’s walk through a basic project

is a classic, reliable, and fast lighting design tool that remains functionally usable for specific tasks in 2025, especially street lighting and interior designs based on pre-2018 luminaire data. However, it is not recommended for new projects due to lack of modern photometric standards, missing BIM workflows, and zero manufacturer support for new LED products. For professional future-proof work, DIALux evo or Relux (Desktop) are superior choices. Nevertheless, 4.1 occupies a respected place in lighting design history as the most stable and widely adopted free lighting software of its decade.

It supports planning for entire buildings, individual rooms, parking spaces, and street lighting. DIALux 4.1 vs. DIALux evo

In DIALux 4.1, importing an AutoCAD DXF or DWG file was a background process. You would import the floor plan as a 2D underlay, scale it, and simply "trace" or insert luminaires over