Energy Plus

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A new generation building energy simulation program that builds on the most popular features and capabilities of BLAST and DOE-2. EnergyPlus includes innovative simulation capabilities including time steps of less than an hour, modular systems simulation modules that are integrated with a heat balance-based zone simulation, and input and output data structures tailored to facilitate third party interface development. Other planned simulation capabilities include solar thermal, multi-zone airflow, and electric power simulation including photovoltaic systems and fuel cells.

Current Version8.2
System RequirementsEnergyPlus is available for Windows 95/98/ME/NT/2000/XP and Linux.
Contact/SupportEnergyPlus-Support@gard.com
or see the EnergyPlus Support Web Site at DOE for more options.
DocumentationSee EnergyPlus Documentation
AvailabilityFree download from the Department of Energy's Web site.