Around €1,200 for a perpetual license (including 1 year of updates). Subscription: ~€50/month.
Depending on your project size, the free Demo might not be enough. Here is how the different tiers compare: License Type Device Limit Learning the interface and basics. ETS6 Lite 20 devices Small apartments or focused study. ETS6 Home 64 devices Private homeowners with a single project. ETS6 Professional Commercial installers and complex buildings. Insider Ways to Get "Paid" Versions for Free
In the world of home and building automation, KNX stands as the undisputed global standard. It is the "Lingua Franca" of smart devices, allowing products from different manufacturers to communicate seamlessly. However, the brain behind any KNX installation is not a switch or a sensor—it is the engineering software known as ETS. knx ets software free download
Home Assistant is a control system, not an engineering tool.
| Option | Cost | Best for | |--------|------|----------| | | Free | Learning, small home projects (up to 5 devices) | | Manufacturer-specific tools (e.g., MDT Scena, Gira Project Assistant, ABB i-bus Tool) | Free | Configuring only that brand’s devices (no cross-brand KNX) | | Open Source (e.g., Node-RED + KNX IP) | Free | Advanced users – not a replacement for ETS; requires an existing programmed interface | | ETS Inside (paid after trial) | ~€150 | Small residential projects (up to 64 devices) | Around €1,200 for a perpetual license (including 1
Searching for "knx ets software free download" is understandable, but you must know the legal and practical reality. The is a generous, zero-cost way to learn the software and design small projects. For real-world commissioning, you need a paid license or an educational exemption.
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The short answer is:
This is the immediate "free download" option. It is identical to the professional software but is restricted to 5 devices per project . Here is how the different tiers compare: License