Dialux Evo 9 [top]

DIALux evo 9 is a free, professional lighting design software used globally to calculate and visualize indoor and outdoor lighting. Unlike older calculation tools that treated spaces as flat, two-dimensional planes, evo 9 uses a holistic, architecture-centered approach. You design or import entire buildings, and the software calculates the precise interaction of light within those spaces.

“Mr. Alder—walk into the room. The shadow is waiting.”

The most immediate change in Dialux evo 9 is the cleaner, flatter, and more responsive interface. The toolbar has been reorganized to reduce clicks. The "Project Bar" now uses a vertical workflow (Project -> Building -> Room/Furnishing -> Lighting), which mirrors how architects think. dialux evo 9

The Unified Glare Rating (UGR) calculation in Dialux evo 9 now supports real-time observer positioning. You can place a virtual chair and set an observer height. As you move the chair, the UGR value updates dynamically, allowing you to solve glare issues before installation.

The versatility of DIALux evo 9 makes it suitable for a wide range of projects: DIALux evo 9 is a free, professional lighting

The software introduced condensed page formats to save paper and make client presentations more digestible. 3. Smarter Luminaire Handling

Import luminaire data files in .ldt (EULUMDAT) or .ies formats. You can source these directly from manufacturer websites or via integrated online catalogs (DIALux luminaire plugins). The toolbar has been reorganized to reduce clicks

It's important to note that DIALux is a Windows-native application. While it can be run on a Mac via virtualization software like Parallels or Boot Camp, DIAL does not offer a native macOS version.