The Buildings Technology Center (BTC) at Oak Ridge National Laboratory is the premier U.S. research facility devoted to the development of technologies that improve the energy efficiency and environmental compatibility of residential and commercial buildings.

• A U.S. Department of Energy (DOE) National User Facility, using partnerships to identify, develop, and deploy energy-efficient building system technologies
• Buildings R&D facilities with 20,000 square feet and state-of-the-art experimental equipment valued at more than $7 million
• A permanent R&D staff of 50, with 10-20 guest researchers
• Annual program expenditures of about $27 million