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.

Publications

Publications By Research Area

2008

Wetter, Michael."A Modelica-Based Model Library for Building Energy and Control Systems."Building Simulation '09 (2008).

McGibney, Alan, Martin Klepal, and James O'Donnell."Design of Underlying Network Infrastructure of Smart Buildings."2008 IET 4th International Conference on Intelligent Environments (2008).

Bazjanac, Vladimir."IFC BIM-based Methodology for Semi-Automated Building Energy Performance Simulation."CIB W78, Proc. 25th conf (2008).

Richardson, Thomas J."Phase transitions in non-hydride switchable mirror thin films."Phase Transitions 81.7-8 (2008) 807 - 813. DOI

Akbari, Hashem, Ronnen M Levinson, and Stephanie Stern."Procedure for measuring the solar reflectance of flat or curved roofing assemblies."Solar Energy 82.7 (2008) 648-655. DOI

O'Donnell, James, Marcus Keane, and Vladimir Bazjanac."Specification of an Information Delivery Tool to Support Optimal Holistic Environmental and Energy Management in Buildings."SimBuild 2008 (2008).

Wetter, Michael, Philip Haves, Michael A Moshier, and Edward F Sowell."Using SPARK as a Solver for Modelica."SimBuild 2008 (2008).

Arasteh, Dariush K, Howdy Goudey, and Christian Kohler."Highly Insulating Glazing Systems using Non-Structural Center Glazing Layers."2008 Annual ASHRAE Meeting (2008).

Akbari, Hashem, and Ronnen M Levinson."Status of cool roof standards in the United States." (2008).

Jakober, Chris A, Michael A Robert, Sarah G Riddle, Hugo Destaillats, M. M Judith Charles, Peter G Green, and Michael J Kleeman."Carbonyl Emissions from Gasoline and Diesel Motor Vehicles."Environmental Science and Technology 42.13 (2008) 4697-4703. DOI

Bhattacharya, Prajesh."Convergence of IT and Facilities Real-Time and Historic Data Leads to Data Center Efficiency."ITHERM (2008).

Wang, Liping, and Nyuk Hien Wong."Coupled simulations for naturally ventilated residential buildings."Automation in Construction 17.4 (2008) 386-398.

Anders, André."Deposition Rates of High Power Impulse Magneton Sputtering."51st Annual Technical Meeting of the Society of Vacuum Coaters (2008).

Berdahl, Paul H, Hashem Akbari, Jeffry Jacobs, and Frank Klink."Surface roughness effects on the solar reflectance of cool asphalt shingles."Solar Energy Materials and Solar Cells 92.4 (2008) 482-489. DOI

Field, Matthew R, Dougal G McCulloch, Sunnie H.N Lim, André Anders, Vicki J Keast, and R.W Burgess."The structure and electron energy loss near edge structure of tungsten oxide thin films prepared by pulsed cathodic arc deposition and plasma-assisted pulsed magnetron sputtering."Journal of Physics: Condensed Matter 20 (2008) 175216. DOI

Berdahl, Paul H, Hashem Akbari, Ronnen M Levinson, and William A Miller."Weathering of roofing materials – An overview."Construction and Building Materials 22.4 (2008) 423-433. DOI

Zhou, Nan, Nina Zheng, David Fridley, Ruohong Wang, Christine Egan, and Nina Khanna."Check-Testing of Manufacturer Self Reported Labeling Data & Compliance with MEPS." (2008).

Levinson, Ronnen M, Hashem Akbari, Melvin Pomerantz, and Smita Gupta."Estimating the solar access of typical residential rooftops: A case study in San Jose, CA."Solar 2008 (2008).

Fridley, David, Nina Zheng, Nan Zhou, and Nina Khanna."Estimating Total Energy Consumption and Emissions of China’s Commercial and Office Buildings." (2008).

Wray, Craig P, Max H Sherman, Iain S Walker, Darryl J Dickerhoff, and Clifford C Federspiel."Heating, Ventilating, and Air-Conditioning: Recent Advances in Diagnostics and Controls to Improve Air-Handling System Performance."American Institute of Physics, AIP Conference Proceedings 1044 (2008) 149-162.

Price, Lynn K, Christina Galitsky, Klaas Jan Kramer, and Aimee T McKane."International Experience with Key Program Elements of Industrial Energy Efficiency or Greenhouse Gas Emissions Reduction Target-Setting Programs." (2008).

Zhou, Nan."Status of China’s Energy Efficiency Standards and Labels for Appliances and International Collaboration." (2008).

Fridley, David, Nina Zheng, Nan Zhou, Nathaniel T Aden, Jiang Lin, Jianhong Cheng, Tomoyuki Sakamoto, and Nina Khanna."China Refrigerator Information Label: Specification Development and Potential Impact." (2008).

Marnay, Chris, and Nan Zhou."Status of Overseas Microgrid Programs: Microgrid Research Activities in the U.S. (English version)." (2008) 8.

Worrell, Ernst, Lynn K Price, Maarten Neelis, Christina Galitsky, and Nan Zhou."World Best Practice Energy Intensity Values for Selected Industrial Sectors." (2008).