Using the SketchUp Plug-in compatible with 2.9.1, Elias rapidly redraws the facade, adding external shading fins. The Result:
OpenStudio 2.9.1 refined the workflow for applying these Measures. It allowed users to set up parametric "swaps"—such as changing wall R-values, window-to-wall ratios, or HVAC system types—and run them in parallel. This version introduced a more stable framework for the OpenStudio Server (the backend for large-scale simulations), but even on a local scale, the OS App in 2.9.1 made running a "measure loop" a native, user-friendly experience. This capability fundamentally changed the industry's approach to energy modeling; it shifted the discipline from a verification task (checking if a design passes code) to an optimization task (finding the best design solution). openstudio 2.9.1
The GUI is divided into vertical tabs on the left: Using the SketchUp Plug-in compatible with 2
: On macOS 10.15, OpenStudio 2.9.1 may prompt "EnergyPlus cannot be opened because the developer cannot be verified." Workaround : Go to System Preferences → Security & Privacy → General → Click "Open Anyway" for energyplus and openstudio executables. This version introduced a more stable framework for
Because it is well-documented and highly stable, it is frequently used in university curricula to teach the fundamentals of energy simulation. ⚙️ Installation and Deployment