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The Environmental Energy Technologies Division (EETD) of Lawrence Berkeley National Laboratory and the Buildings Technology Office of the Department of Energy announce the launch of Simergy, a free graphical user interface (GUI) that enables the whole-building energy modeling engine, EnergyPlus, to be used more easily and effectively. Simergy helps meet the building energy modeling needs of architects, mechanical engineers, energy analysts, and sustainability consultants to enable energy-efficient building design.Simergy gives users access to the powerful modeling capabilities of EnergyPlus in an integrated energy-assessment workflow: * Support for multiple design alternatives. * Versatile geometry creation with 2-D and 3-D CAD import capabilities. * Libraries and templates of construction materials, default operating schedules, and HVAC equipment and templates for conventional and low-energy HVAC systems. * Drag-and-drop HVAC schematic editing that can be used to both customize standard templates and create innovative designs from scratch. * Customized summary reports and interactive visualization of simulation results at different levels of detail.For more information on the capabilities of Simergy and EnergyPlus, please watch a series of video tutorials and explore the guides, samples, and FAQs available on the Simergy website.About SimergySimergy is funded by a private-public partnership between the Building Technologies Office (DOE), California Energy Commission, Infosys, Trane, Hydro-Québec and the Northwest Energy Efficiency Alliance. It was developed by a team led by Lawrence Berkeley National Laboratory, and is supported by software developer Digital Alchemy.