Dialux 3.14 May 2026

File > Printout composer. Despite its age, the printout composer in 3.14 is incredibly precise. You can scale drawings 1:100, add headers, and produce a legally binding lighting report that meets ISO standards.

Dialux 3.14 had a legendary "Street Lighting Wizard" and "Floodlight Calculation" wizard that produced compliant EN 13201 reports instantly. The evo version buried these wizards deep in menus. Many municipalities still accept 3.14-generated street plans.

In version 3.14, you can select 500 luminaires, open a spreadsheets-like property dialog, and change the lamp type, wattage, and reflector in 3 seconds. In evo, bulk editing large arrays still feels sluggish.

Dialux 3.14 is not obsolete; it is a specialized tool. While a modern designer might look at its grey interface and shudder, the veteran engineer sees a scalpel—sharp, precise, and fast.

If you are designing a complex industrial high-bay warehouse, a parking garage, or a retail strip with repetitive geometry, Dialux 3.14 is likely still the fastest way to produce a code-compliant lighting design.

If you can find the installer, keep it in a virtual machine. Learn its ULP engine. Master its isolines. Because in the world of lighting, the physics don’t change. And for pure physics calculation, Dialux 3.14 remains the undisputed champion.

Do you still use Dialux 3.14? Share your workflows and legacy libraries in the comments below.

DIALux 3.14: A Legacy Landmark in Lighting Design While modern lighting designers and electrical planners have largely transitioned to DIALux evo, the older legacy version, DIALux 3.14, remains a notable point in the history of professional lighting software. Released by DIAL GmbH, this version was a precursor to the widely adopted DIALux 4 and the current evo platform, serving as a standard tool for simulating and calculating indoor and outdoor lighting installations. The Role of DIALux 3.14 in Professional Lighting

At its core, DIALux 3.14 provided a digital environment for architects and engineers to calculate essential lighting metrics such as illuminance and uniformity ratios. Researchers have historically used it to validate light shelf designs and classroom standards, proving its long-term reliability in scientific and industrial applications. Key Capabilities of Legacy DIALux Versions

Before the "building-centric" approach of DIALux evo, versions like 3.14 and its immediate successors focused heavily on room-by-room calculation: Dialux 3.14

Simple Geometry Creation: Users would define inner walls and openings to calculate light levels for specific work planes.

Manufacturer Integration: It pioneered the use of electronic luminaire data (LDT and IES files) from hundreds of DIALux Members, allowing for realistic simulations of real-world products.

Standard Compliance: Even in its early iterations, the software aimed to verify regional and international lighting standards to ensure safe and comfortable environments. Transitioning from Legacy to Modern Tools

The lighting design industry has evolved significantly since the era of DIALux 3.14. The introduction of DIALux evo in 2012 marked a major shift from calculating individual rooms to planning entire buildings holistically. Legacy DIALux (3.14/4) DIALux evo (Current) Workflow Individual rooms/surfaces Whole buildings and terrains Graphics Radiosity kernel New engine with ray tracing BIM Support Full IFC support and Open BIM integration Openings Simple "graphics" only Real wall cutouts that affect light Why Some Still Reference Older Versions

DIALux is a leading lighting design software used worldwide by architects and designers to create optimized lighting solutions for indoor and outdoor spaces. While DIALux 4 and the newer DIALux evo are the current industry standards, version 3.14 represents a foundational iteration of the software's development that established many of its core planning capabilities. The Evolution of DIALux 3.14

DIALux was developed by DIAL GmbH to provide a professional, manufacturer-independent tool for lighting calculation. Version 3.14 was a key release in the software's transition toward more complex spatial modeling. Unlike basic calculators, it introduced advanced geometric entry methods, allowing designers to move beyond simple rectangular rooms to more custom architectural shapes. Core Capabilities and Features

DIALux 3.14 set the stage for several features that remain essential in modern lighting design:

CAD Integration: It allowed for the importing of geometry from CAD files, enabling designers to work directly within architectural plans rather than rebuilding them from scratch.

Manufacturer Plug-ins: One of DIALux's greatest strengths is its integration with luminaire catalogs. Users can import specific lighting products from various manufacturers to use real-world photometric data in their calculations. File > Printout composer

Simulation and Analysis: The software performs complex calculations to determine illuminance (Lux) levels and uniformity across surfaces, ensuring that projects meet specific safety and comfort standards for different room types, such as gyms or offices.

Daylight Calculation: Even in earlier versions, DIALux included tools to calculate and analyze daylight, helping designers understand how natural light interacts with artificial sources. Industry Impact and Limitations

DIALux 3.14 helped standardize professional lighting reports, providing designers with structured summaries and visualizations like isolux lines and pseudo-color images to present to clients.

is the world’s leading software for professional lighting design, used by over 700,000 planners and architects globally to create optimal lighting solutions [28, 29]. It allows you to design, calculate, and visualize light for both indoor and outdoor spaces using real luminaires from major manufacturers [29]. Core Capabilities Comprehensive Planning

: Create detailed models for individual rooms, multi-story buildings, paths, parking lots, and streets [29]. Accurate Calculations

: Input specific room dimensions, ceiling types, and light sources to generate precise lighting values [28]. Data-Driven Analysis : Evaluate your projects using key metrics such as illuminance isolux lines uniformity

(the ratio of minimum to average illuminance) to ensure even light distribution [31, 33]. Energy Efficiency

: Analyze energy metrics like IPEA and IPEI to meet sustainability standards [31]. Advanced Visualization

: Render projects with realistic textures, colors, and 3D objects—such as furniture and office chairs—to showcase functional lighting within a space [34, 36]. Key Features for Professionals Manufacturer Integration : Use real-world technical data from DIALux Members Disable Antivirus Real-Time Scanning (temporarily)

to ensure your virtual designs are physically achievable [29]. Professional Reporting

: Automatically generate detailed lux reports for different light scenes to present to clients or for compliance documentation [30]. CAD Compatibility

: Import and edit CAD files directly within the software, with the ability to manage layers and adjust working area colors for better clarity [35]. For further learning, explore official DIALux tutorials or reference the Zumtobel Lighting Handbook for foundational lighting principles [31]. import CAD drawings into your first project? Any 3D objects in M3D format for Dialux 4.13?

This is an excellent request, as DIALux 3.14 represents a critical inflection point in the history of lighting design software. Releasing a "deep review" requires understanding it not as a standalone tool, but as the final, most polished version of the "classic" DIALux engine, released just before the industry shifted to DIALux evo.

Here is a deep, technical, and practical review of DIALux 3.14.

In the rapidly evolving world of lighting design software, where cloud computing and real-time ray tracing dominate the headlines, it is easy to overlook the unsung heroes of the past. Among professional lighting designers, engineers, and students, one version number still sparks a particular mix of nostalgia and respect: Dialux 3.14.

Released during a transitional period for the lighting industry, Dialux 3.14 represents the "golden mean" between the simplicity of earlier Illuminance calculation tools and the overwhelming complexity of modern Building Information Modeling (BIM). While DIALux evo has taken the torch forward, Dialux 3.14 remains a critical benchmark, a teaching tool, and in some niches, a production workhorse.

This article will explore the history, technical specifications, unique features, and reasons why Dialux 3.14 is still relevant in 2025, as well as provide a guide for those who need to run it on modern hardware.