Building Technologies Office: EnergyPlus Energy Simulation Software
EnergyPlus is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption—for heating, cooling, ventilation, lighting, and plug and process loads—and water use in buildings. Its development is funded by the U.S. Department of Energy Building Technologies Office. Some of the notable features and capabilities of EnergyPlus include: Integrated, simultaneous solution of thermal zone conditions and HVAC system response that does not assume that the HVAC system can meet zone loads and can simulate unconditioned and under-conditioned spaces. Weather data in a format that can be read by EnergyPlus is available on the website. EnergyPlus is a console-based program that reads input and writes output to text files. EnergyPlus is free, open-source, and cross-platform; it runs on the Windows, Mac OS X, and Linux operating systems.
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