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Where can you download a free BAS graphics library for building automation systems?

November 18, 2025

If you work with Building Automation Systems (BAS), you already know how important high-quality graphics are for creating intuitive dashboards, equipment views, and system navigation screens. Good BAS graphics not only enhance visual clarity but also help technicians and facility managers quickly understand system performance. The good news? You don’t always need paid libraries. Several reputable platforms offer free BAS graphics libraries that you can download and start using right away.

One of the most popular sources is Open Automation Software, which provides a comprehensive HVAC and BAS graphics library containing more than 2,500 vector-based symbols. These include chillers, pumps, valves, VAV boxes, AHUs, ductwork components, and more. It's widely used because of its professional look and compatibility with most BAS and SCADA platforms.

Another reliable option is Computrol’s, which offers a completely free HVAC Graphics Library for BAS professionals. Their library includes Visio stencils, equipment icons, and standard mechanical symbols that are perfect for creating clean and consistent BAS schematics. This is a great choice for engineers who prefer drag-and-drop simplicity.

For those looking for inspiration or mixed-format symbol sets, community forums and open-source graphic repositories can also be useful. Many BAS designers share PNG, SVG, and animated GIF graphics that can be imported into common platforms like Tridium Niagara, Web CTRL, or Siemens Desigo.

Whether you’re designing a simple AHU graphic or developing an entire BAS interface, these free libraries offer a strong starting point. With the right tools, you can create dashboards that are not only functional but also visually impressive—without spending a single rupee

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