| Building Technology and Urban Systems

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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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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2013

Gengnagel, Tim, Phillipp Wollburg, and Evan Mills."Alternatives to Fuel-based Lighting for Night Fishing." (2013).

Walker, Iain S, Darryl J Dickerhoff, David Faulkner, and William J. N Turner."Energy Implications of In-‐Line Filtration in California." (2013).

Black, Douglas R, Steven Lanzisera, Judy Lai, Richard E Brown, and Brett C Singer."Evaluation of Miscellaneous and Electronic Device Energy Use in Hospitals."World Review of Science, Technology and Sustainable Development 10.1/2/3 (2013) 113-128. DOI

Chan, Wanyu R, and Max H Sherman."Improving Building Envelope and Duct Airtightness of US Dwellings - the Current State of Energy Retrofits." (2013).

Mills, Evan."Insurers as Partners in Inclusive Green Growth." (2013).

Regnier, Cynthia, and Kevin Settlemyre."The Business of High Performance: The USC Darla Moore School of Business." (2013).

Robinson, Alastair, and Stephen E Selkowitz."Tips for Daylighting with Windows." (2013).

Sherman, Max H, Iain S Walker, and Melissa M Lunden."Uncertainties in Air Exchange using Continuous-Injection, Long-Term Sampling Tracer-Gas Methods." (2013).

Willem, Henry, Erin L Hult, Toshifumi Hotchi, Marion L Russell, Randy L Maddalena, and Brett C Singer."Ventilation Control of Volatile Organic Compounds in New U.S. Homes: Results of a Controlled Field Study in Nine Residential Units." (2013).

2012

Turner, William J. N, and Iain S Walker."Advanced Controls and Sustainable Systems for Residential Ventilation." (2012).

Walker, Iain S, Darryl J Dickerhoff, David Faulkner, and William J. N Turner."Energy Implications of In-Line Filtration in California Homes."ASHRAE Transactions 19.2 (2012) 99-417.

Turner, William J. N, and Max H Sherman."Infiltration as ventilation: Weather-induced dilution."HVAC&R Research 18.6 (2012) 1122-1135. DOI

Mills, Evan."The Greening of Insurance."Science 338.6113 (2012) 1424-1425. DOI

Parrish, Kristen, and Cynthia Regnier."Achieving Energy Savings in Municipal Construction in Long Beach, CA." (2012).

Parrish, Kristen, Andrea C Mercado, and Cynthia Regnier."Keeping Energy Savings in the LOOP." (2012).

Stratton, J Chris, William J. N Turner, Craig P Wray, and Iain S Walker."Measuring Residential Ventilation System Airflows: Part 1 – Laboratory Evaluation of Airflow Meter Devices." (2012).

Parrish, Kristen, and Cynthia Regnier."A Path to Successful Energy Retrofits: Early Collaboration Through Integrated Project Delivery Teams." (2012).

Less, Brennan, Jeremy Fisher, and Iain S Walker."Deep Energy Retrofits—Eleven California Case Studies." (2012).

Lunden, Melissa M, David Faulkner, Elizabeth Heredia, Sebastian Cohn, Darryl J Dickerhoff, Federico Noris, Jennifer M Logue, Toshifumi Hotchi, Brett C Singer, and Max H Sherman."Experiments to Evaluate and Implement Passive Tracer Gas Methods to Measure Ventilation Rates in Homes." (2012).

Hult, Erin L, Darryl J Dickerhoff, and Phillip N Price."Measurement Methods to Determine Air Leakage Between Adjacent Zones." (2012).

Chan, Wanyu R, Jeffrey Joh, and Max H Sherman."Air Leakage of US Homes: Regression Analysis and Improvements from Retrofit." (2012).

Chan, Wanyu R, Jeffrey Joh, and Max H Sherman."Analysis of Air Leakage Measurements from Residential Diagnostics Database." (2012).

Regnier, Cynthia."Guide to Setting Thermal Comfort Criteria and Minimizing Energy Use in Delivering Thermal Comfort." (2012).

Piette, Mary Ann, Jessica Granderson, Michael Wetter, and Sila Kiliccote."Responsive and Intelligent Building Information and Control for Low-Energy and Optimized Grid Integration."ACEEE 2012 Summer Study on Energy Efficiency in Buildings, August 12-17, 2012 (2012).

Ingle, Aaron, Mithra M Moezzi, Loren Lutzenhiser, Zac Hathaway, Susan Lutzenhiser, Joe Van Clock, Jane S Peters, Rebecca Smith, David Heslam, and Richard C Diamond."Behavioral Perspectives on Home Energy Audits: The Role of Auditors, Labels, Reports, and Audit Tools on Homeowner Decision-‐Making." (2012).