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    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

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  • 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.

    Colum 1 +
    • Windows & Daylighting
    • FLEXLAB® & Systems Integration
    • Electronics, Lighting & Networks
    • Modeling & Simulation
    • Indoor Air Quality
    • High Tech & Industrial
    Colum 2 +
    • Decision Science
    • Energy Analytics
    • The Grid & Demand Response
    • Cool Roofs & Walls
    • Urban Systems
  • 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.

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  • 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.

    • Whole Building
    • Occupant Behavior
    • Lighting
    • Windows and Envelope Materials
    • Cool Surfaces
    • City and Districts

Publications

Publications By Research Area

  • Cool Roofs & Walls
  • Decision Science
  • Electronics, Lighting & Networks
  • Energy & Financing
  • Energy Analytics
  • FLEXLAB® and Systems Integration
  • High Tech & Industrial
  • Indoor Air Quality
  • Modeling & Simulation
  • The Grid & Demand Response
  • Windows & Daylighting

2008

Akbari, Hashem, and Leanna S. Rose."Urban Surfaces and Heat Island Mitigation Potentials."Journal of the Human-Environmental System 11.2 (2008) 85-101. DOI

2003

Akbari, Hashem, Leanna S. Rose, and Haider Taha."Analyzing the land cover of an urban environment using high-resolution orthophotos."Landscape and Urban Planning 63.1 (2003) 1-14. DOI
Rose, Leanna S., Hashem Akbari, and Haider Taha."Characterizing the fabric of the urban environment: a case study of greater Houston, Texas." (2003).

2002

Berdahl, Paul H., Hashem Akbari, and Leanna S. Rose."Aging of reflective roofs: soot deposition."Applied Optics 41 (2002) 2355-2360.

2001

Akbari, Hashem, and Leanna S. Rose."Characterizing the fabric of the urban environment: a case study of metropolitan Chicago, Illinois." (2001).
Akbari, Hashem, and Leanna S. Rose."Characterizing the fabric of the urban environment: a case study of Salt Lake City, Utah." (2001).

1999

Akbari, Hashem, Leanna S. Rose, and Haider Taha."Characterizing the fabric of the urban environment: a case study of Sacramento, California." (1999). DOI

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