Create, edit, and validate EnergyPlus IDF input files. Run building energy simulations and analyze results. Generate visualizations from simulation output data. Modify weather files (EPW), run parametric studies, and calibrate models against measured data. Use when working with EnergyPlus, IDF files, building energy modeling, HVAC design, thermal simulation, energy analysis, EPW weather files, parametric comparison, baseline calibration, or building geometry.