Building Technologies Office

A man crouched near a lower panel of a large set of windows in a commercial building, replacing the glass in the panel.

The Building Technologies Office (BTO) conducts research, development, and demonstration activities to accelerate the adoption of technologies and techniques that enable high-performing, affordable buildings that meet Americans’ need for resiliency and health while also supporting a reliable energy system. Learn about BTO’s open funding opportunities and requests for information and career opportunities.

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U.S. Department of Energy
Building Technologies Office (BTO)
Mail Stop EE-2J
1000 Independence Ave, SW
Washington, DC 20585
Buildings@ee.doe.gov