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@Jlerazo. Simulation time is an EnergyPlus characteristic, not an OpenStudio one. OpenStudio can help you set up a simpler model that EnergyPlus will run faster, but if you really need to simulate every space and zone, then you are 99% stuck. The 1% is that you may be able to get onto Autodesk's new EnergyPlus Cloud beta (https://beta.autodesk.com/callout/?callid=5366FFEA6FCC4F6A94E19B78A62698A2), which will use temporal parallelization to run your model about 10X faster. There may be a few other packages that can do this too, but I am not sure how many of them are available as services and what kind of computing resources are available to you if they are not. Good luck!