About Us +
Researchers in the Building Technology & Urban Systems Division (BTUS) at Lawrence Berkeley National Laboratory develop data and technologies that increase energy efficiency and improve the health, safety and comfort of building occupants, in the United States and worldwide.

We work closely with industry partners, academics and government officials to achieve these goals, and share our research widely
Research +
We are at the forefront of cutting-edge research that redefines building technology and explores all areas of urban systems.

We have been leaders for decades in developing energy-efficient windows, improving indoor air quality, coming up with new ideas to fix the nation's electricity grid, and so much more.

Visit our research areas at the right to find out more.
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Publications +
Enjoy presentations from Building Technology & Urban systems research experts on a wide variety of topics in the areas of building energy efficiency, the electricity grid and how it relates to buildings and much more.
- Presentations
News
Tools & Guides +
Explore our tools, guidebooks and software and download for free.

We offer a variety of technologies designed to simulate and model real-world circumstances to assist in energy-saving programs and help building owners build better buildings. These tools can help calculate performance of building systems like windows and shades, help consumers and builders pick the best windows for a variety of applications and much more.

Resources

Resources

Explore this list of educational resources related to building technology and urban systems.

Windows

Find resources related to efficient windows, including an overview of window technology terminology at windows.lbl.gov/outreach.

Building Science & Technology Education

The Building Efficiency for a Sustainable Tomorrow (BEST) Center promotes better building performance through the advancement of building science and technician education. The BEST website contains many instructional materials and video resources: bestctr.org.

Heat Islands

Learn more about the basics of urban heat islands and strategies to reduces their severity like cool roofing at heatisland.lbl.gov/resources/Guides

Industrial Applications

View resources related to industrial energy and water management practices and policymaking at industrialapplications.lbl.gov/content/resources.

Grid-Interactive Efficient Buildings (GEBs)

A national roadmap for GEBs, including 14 recommendations: gebroadmap.lbl.gov/

Smart Energy Analytics

Uncover deep energy and cost savings with Energy Management and Information Systems: smartenergyanalytics.org