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I encountered an issue regarding energy simulation of buildings using a combination of SketchUp, OpenStudio, and EnergyPlus. I wanted to try how the energy use of a building changes as I change the value of window to wall ratio. So, I created a very simple 3D model in SketchUp and assigned various values for WWR. Interestingly, the energy use did not change at all even in decimal points. Does anyone know why this happened? I read many papers on the significance of WWR on the energy use of buildings. Am I missing something? I should say that I assign the value of WWR to 3D model that I created in SketchUp using OpenStudio extension.

I encountered an issue regarding energy simulation of buildings using a combination of SketchUp, OpenStudio, and EnergyPlus. I wanted to try how the energy use of a building changes as I change the value of window to wall ratio. So, I created a very simple 3D model in SketchUp and assigned various values for WWR. Interestingly, the energy use did not change at all even in decimal points. Does anyone know why this happened? I read many papers on the significance of WWR on the energy use of buildings. Am I missing something? I should say that I assign the value of WWR to 3D model that I created in SketchUp using OpenStudio extension.