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EnergyPlus models heating, cooling, lighting, ventilating, and other energy flows as well as water in buildings. While originally based on the most popular features and capabilities of BLAST and DOE-2, EnergyPlus includes many innovative simulation capabilities such as time steps of less than an hour, modular systems and plant integrated with heat balance-based zone simulation, multizone air flow, thermal comfort, water use, natural ventilation, and photovoltaic systems.
Brief comparison of EnergyPlus with its predecessor programs, DOE-2.1E and BLAST. (PDF 254 KB) Download Adobe Reader.
EnergyPlus is a stand-alone simulation program without a 'user friendly' graphical interface. EnergyPlus reads input and writes output as text files. A number of graphical interfaces are available or under development. Want to try an EnergyPlus simulation without
downloading EnergyPlus? Try the EnergyPlus Example File Generator.
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Awards presented to EnergyPlus in the last few years. |
Hourly weather data from around the world is continuously collected and stored in this database. |
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A flexible curriculum is available to professors teaching
courses on energy simulation and using EnergyPlus. |
Looking for a consultant to perform EnergyPlus simulations? LBNL maintains an up-to-date list of
EnergyPlus consultants. |
Forgot/lost or didn't receive a password?
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