Openstudio 2.9.1 ((exclusive)) Jun 2026

After installation, users may need to add the OpenStudio executable to their system PATH to run commands from any terminal or command prompt. Without this step, the operating system may not recognize the openstudio command when entered at the command line.

If you plan to use the graphical geometry editor, OpenStudio 2.9.1 officially supports: 3. Step-by-Step Installation and Setup

While 2.9.1 is a workhorse, it is important to note that the OpenStudio platform underwent a major structural change starting with version 3.0.0. The "OpenStudio Application" was spun off into a separate project maintained by the OpenStudio Coalition, while NREL continued to focus on the core SDK. For users looking to move from 2.9.1 to modern versions, there is a learning curve regarding how the application and the SDK interact, but the foundational principles of thermal zoning and system modeling remain the same. openstudio 2.9.1

Beyond the simulation engine, this version features a comprehensive set of modeling tools:

Version 2.9.1 is built to run natively with EnergyPlus 9.2.0 , which is highly stable for research and high-performance building design. After installation, users may need to add the

Download the OpenStudio SketchUp Plugin installer that corresponds to the 2.9.1 release.

The OpenStudio Coalition is an organization founded to support the use of the OpenStudio Application. Their website provides documentation on installing, creating, and running simulations, along with advanced topics including utility rate tariffs and gbXML file handling. Step-by-Step Installation and Setup While 2

Many users prefer to remain on a verified version (like 2.9.1 paired with EnergyPlus 9.2) during the middle of a long-term research project or large simulation study.

The GUI is divided into vertical tabs on the left:

It provides a reliable bridge for users who prefer the OpenStudio SketchUp Plug-in on earlier hardware or operating systems.