| Building Technology and Urban Systems

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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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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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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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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.

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2012

Salamanca, Francisco, Shaheen R Tonse, Surabi Menon, Vishal Garg, Krishna P Singh, Manish Naja, and Marc L Fischer."Top-of-atmosphere radiative cooling with white roofs: experimental verification and model-based evaluation."Environmental Research Letters 7.4 (2012). DOI

Hart, Robert, Howdy Goudey, Dariush K Arasteh, and Dragan C Curcija."Thermal Performance Impacts of Center-of-Glass Deflections in Installed Insulating Glazing Units."Energy and Buildings 54.November 2012 (2012) 453-460. DOI

Ward, Gregory J, Murat Kurt, and Nicolas Bonneel."A Practical Framework for Sharing and Rendering Real-World Bidirectional Scattering Distribution Functions." (2012).

Coffey, Brian E."Integrated control of operable fenestration systems and thermally massive HVAC systems: Methods and simulation studies of energy savings potential." (2012).

McNeil, Andrew, and Eleanor S Lee."On the benefits of a variable-resolution bidirectional scattering distribution data format." (2012) 5.

Dutton, Spencer M, Hui Zhang, Yongchao Zhai, Edward A Arens, Youness Bennani Smires, Samuel L Brunswick, Kyle S Konis, and Philip Haves."Application of a stochastic window use model in EnergyPlus."SimBuild 2012, 5th National Conference of IBPSA-USA, August 1-3, 2012 (2012).

Nouidui, Thierry Stephane, Michael Wetter, and Wangda Zuo."Validation of the Window Model of the Modelica Buildings Library." (2012).

McNeil, Andrew, and Eleanor S Lee."A validation of the Radiance three-phase simulation method for modeling annual daylight performance of optically-complex fenestration systems."Journal of Building Performance Simulation April 2012 (2012). DOI

Clear, Robert D."Discomfort Glare: What Do We Actually Know?."Lighting Research and Technology April 2012 (2012). DOI

Anders, André."Self-organization and self-limitation in high power impulse magnetron sputtering."Applied Physics Letters 100.22 (2012). DOI

Levinson, Ronnen M."The Case for Cool Roofs." (2012).

Lee, Eleanor S, Erin S Claybaugh, and Marc LaFrance."End User Impacts of Automated Electrochromic Windows in a Pilot Retrofit Application."Energy and Buildings 47.April 2012 (2012) 267-284. DOI

Arasteh, Dariush K, Robert Hart, Cezary Misiopecki, Arlid Gustavsen, and Bjørn Petter Jelle."Impacts of Operating Hardware on Window Thermal Performance."BEST3 Conference (2012).

Kohler, Christian."Simulation of complex glazing products; from optical data measurements to model based predictive controls."2012 Building Enclosure Science and Technology (BEST3) Conference (2012).

Anders, André, Pavel A Ni, and Albert Rauch."Drifting localization of ionization runaway: Unraveling the nature of anomalous transport in high power impulse magnetron sputtering."Journal of Applied Physics 111.5 (2012) 053304. DOI

Zhu, Yuankun, Rueben J Mendelsberg, Sunnie H.N Lim, Jiaqi Zhu, Jiecai Han, and André Anders."Improved structural and electrical properties of thin ZnO:Al films by dc filtered cathodic arc deposition."Journal of Materials Research 27.05 (2012) 857 - 862. DOI

Konis, Kyle S."Effective Daylighting: Evaluating Daylighting Performance in the San Francisco Federal Building from the Perspective of Building Occupants."Architecture (2012).

Jelle, Bjørn Petter, Andrew Hynd, Arlid Gustavsen, Dariush K Arasteh, Howdy Goudey, and Robert Hart."Fenestration of Today and Tomorrow: A State-of-the-Art Review and Future Research Opportunities."Solar Energy Materials and Solar Cells 96 (2012) 1-28. DOI

Anders, André, Jiří Čapek, Matêj Hála, and Ludvik Martinu."The ‘recycling trap’: a generalized explanation of discharge runaway in high-power impulse magnetron sputtering."Journal of Physics D: Applied Physics 45.1 (2012) 012003. DOI

Appelfeld, David, Andrew McNeil, and Svend Svendsen."An Hourly-Based Performance Comparison of an Integrated Micro-Structural Perforated Shading Screen with Standard Shading Systems."Energy and Buildings 50.July 2012 (2012). DOI

Maddalena, Randy L, Melissa M Lunden, Daniel L Wilson, Cristina Ceballos, Thomas W Kirchstetter, Jonathan L Slack, and Larry L Dale."Quantifying Stove Emissions Related to Different Use Patterns for the Silver‐mini (Small Turkish) Space Heating Stove." (2012).

2011

Wetter, Michael."GenOpt Generic Optimization Program, User Manual, Version 3.1.0." (2011).

Levinson, Ronnen M, Heng Pan, George A Ban-Weiss, Pablo J Rosado, Riccardo Paolini, and Hashem Akbari."Potential benefits of solar reflective car shells: Cooler cabins, fuel savings and emission reductions."Applied Energy 88.12 (2011) 4343-4357. DOI

Anders, André, and Jeff Brown."A Plasma Lens for Magnetron Sputtering."IEEE Transactions on Plasma Science 39.11 (2011) 2528 - 2529. DOI

Zuo, Wangda, Andrew McNeil, Michael Wetter, and Eleanor S Lee."Acceleration of Radiance for Lighting Simulation by using Parallel Computing with OpenCL."12th International Conference of the International Building Performance Simulation Association (Building Simulation 2011) (2011) p. 110-117.