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.
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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.

Publications: EAEI Environmental Science & Technology

Publications By Research Area

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2018

Fischer, Marc L, Wanyu R Chan, William W Delp, Seongeun Jeong, Vi H Rapp, and Zhimin Zhu."An Estimate of Natural Gas Methane Emissions from California Homes."Environmental Science & Technology (2018). DOI

2016

Levinson, Ronnen M, Sharon S Chen, George A Ban-Weiss, Haley E Gilbert, Paul H Berdahl, Pablo J Rosado, Hugo Destaillats, Mohamad Sleiman, and Thomas W Kirchstetter."Next-Generation Factory-Produced Cool Asphalt Shingles: Phase 1 Final Report." (2016).

Leifer, Ira, Christopher Melton, Jason Frash, Marc L Fischer, Xinguang Cui, John Murray, and David S Green."Fusion of Mobile In Situ and Satellite Remote Sensing Observations of Chemical Release Emissions to Improve Disaster Response." (2016).

Berdahl, Paul H, Sharon S Chen, Hugo Destaillats, Thomas W Kirchstetter, Ronnen M Levinson, and Michael A Zalich."Fluorescent Cooling of Objects Exposted to Sunlight - The Ruby Example."Solar Energy Materials and Solar Cells 157 (2016) 312-317. DOI

2015

2014

Sleiman, Mohamad, Thomas W Kirchstetter, Paul H Berdahl, Haley E Gilbert, Sarah Quelen, Lea Marlot, Chelsea V Preble, Sharon S Chen, Amandine Montalbano, Olivier Rosseler, Hashem Akbari, Ronnen M Levinson, and Hugo Destaillats."Soiling of building envelope surfaces and its effect on solar reflectance – Part II: Development of an accelerated aging method for roofing materials."Solar Energy Materials and Solar Cells 122 (2014) 271-281. DOI

2012

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

Sleiman, Mohamad, George A Ban-Weiss, Haley E Gilbert, David François, Paul H Berdahl, Thomas W Kirchstetter, Hugo Destaillats, and Ronnen M Levinson."Soiling of building envelope surfaces and its effect on solar reflectance—Part I: Analysis of roofing product databases."Solar Energy Materials and Solar Cells 95.12 (2011) 3385-3399. DOI

2010

Shehabi, Arman, Srirupa Ganguly, Lara A Gundel, Arpad Horvath, Thomas W Kirchstetter, Melissa M Lunden, William F Tschudi, Ashok J Gadgil, and William W Nazaroff."Can combining economizers with improved filtration save energy and protect equipment in data centers?."Building and Environment 45.3 (2010) 718-726. DOI