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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.

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