Commercial Building Initiative
EnergyPlus 5.0 Released
EnergyPlus is a simulation program for modeling building heating, cooling, lighting, ventilation, and other energy flows. Learn more about EnergyPlus and the new features.
Recent Supplier Summits
Learn what industry representatives had to say about energy efficiency in commercial buildings at recent Supplier Summits. Learn more.
Commercial Building Energy Alliances
Join one of the Alliances to help move your industry toward more energy-efficient building design and save your company money.
High Performance Buildings Database
Read case studies about a variety of energy-efficient buildings from around the world. Share your success by entering information about your project.
The Commercial Building Initiative (CBI) aims to significantly improve the energy efficiency of new and existing commercial buildings. To achieve this goal, CBI researches technologies, strategies, and tools to improve energy savings over current building codes. CBI also engages commercial building owners and operators from a variety of industry sectors to help demonstrate, monitor, and move these technologies from the laboratory to the marketplace.
On this Web site you can:
- Learn how the U.S. Department of Energy is working with alliances and partners to significantly improve commercial building efficiency and quality today
- Get key design and evaluation steps for developing energy-efficient buildings
- Download energy simulation software, such as EnergyPlus, that helps designers and engineers see how a building will perform
- See case studies of high performance buildings from around the world. Share your success by entering information about your project.
- Obtain more information about the Commercial Building Initiative, including research projects and goals.