The latest release of BEopt is Version 184.108.40.206 (November 7, 2016).
Note: BEopt is currently only available for the Windows operating system, but can be used on other operating systems via virtual machines (e.g. Parallels) or via dual booting.
BEopt Version 2.7 contains a number of new capabilities. See the Features document for a high-level description of new features.
New features include:
- Enhanced mini-split heat pump model & options, particularly for colder climates
- Flue/chimney inputs for air leakage
- Updated costs/lifetimes for several measures
- Updated to EnergyPlus v8.6
See the Changelog for a detailed list of changes.
The U.S. Department of Energy (DOE) Energy Efficiency and Renewable Energy, Building Technologies Program in conjunction with the Building America program has provided multi-year BEopt funding. Two California Solar Initiative (CSI) research projects (Solicitation 1, Solicitation 5) have provided funding support for several BEopt v2 features as well as multi-family analysis capabilities. Bonneville Power Administration (BPA) also provided funding for some multi-family analysis capabilities for the Pacific Northwest as well as software packaging for the Energy Rating Index (ERI) capability.