| 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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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

Walker, Iain S, and Max H Sherman."Effect of Ventilation Strategies on Residential Ozone Levels."Building and Environment 59 (2013) 456–465. DOI

Hong, Tianzhen, and Hung-Wen Lin."Occupant Behavior: Impact on Energy Use of Private Offices."ASim 2012 - 1st Asia Conference of International Building Performance Simulation Association (2013).

Fridley, David, Nina Zheng, Nan Zhou, Jing Ke, Ali Hasanbeigi, William R Morrow III, Lynn K Price, and Nina Khanna."China Energy and Emissions Path to 2030." (2013).

Zhu, Dandan, Da Yan, Tianzhen Hong, and Chuang Wang."Comparison of Building Energy Simulation Programs: Dest, EnergyPlus and DOE-2." (2013).

Zhou, Xin, Da Yan, Xiaoxin Ren, and Tianzhen Hong."Data Analysis and Modeling of Lighting Energy Use in Large Office Buildings." (2013).

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

Payne, Christopher T, Andrew R Weber, and Abby Semple."Energy-efficient Public Procurement Best Practice in Program Delivery SEAD Initiative Procurement Working Group." (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

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).

Zhou, Nan, John Romankiewicz, Edward L Vine, Nina Khanna, and David Fridley."International Review of Frameworks for Impact Evaluation of Appliance Standards, Labeling, and Incentives." (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

Fujita, K Sydny, and Margaret Taylor."Achieved and Potential Energy Savings through Energy Efficient Procurement." (2012).

Ke, Jing, Lynn K Price, Stephanie Ohshita, David Fridley, Nina Khanna, Nan Zhou, and Mark D Levine."China’s Industrial Energy Consumption Trends and Impacts of the Top-1000 Enterprises Energy-Saving Program and the Ten Key Energy-Saving Projects."Energy Policy 50 (2012) 562-569. DOI

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).

Zhou, Nan, Nina Khanna, David Fridley, and John Romankiewicz."International Review of Framework for Standards & Labeling Setting and Development." (2012).

Taylor, Margaret, and K Sydny Fujita."Program Potential: Estimates of Federal Energy Cost Savings from Energy Efficient Procurement." (2012).

Taylor, Margaret, and K Sydny Fujita."The Path to Savings: Understanding the Federal Purchase of Energy-Consuming Products." (2012).

Levine, Mark D, Wei Feng, Jing Ke, Tianzhen Hong, and Nan Zhou."A Retrofit Tool for Improving Energy Efficiency of Commercial Buildings."ACEEE 2012 Summer Study (2012).

Lin, Hung-Wen, and Tianzhen Hong."An In-Depth Analysis of Space Heating Energy Use in Office Buildings."ACEEE 2012 Summer Study (2012).

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).

Feng, Wei, Nan Zhou, Chris Marnay, Michael Stadler, and Judy Lai."Building Distributed Energy Performance Optimization for China - a Regional Analysis of Building Energy Costs and CO₂ Emissions."2012 ACEEE Summer Study on Energy Efficiency in Buildings, August 12-17, 2012 (2012).

Fridley, David, Nina Zheng, Nan Zhou, Jing Ke, Ali Hasanbeigi, William R Morrow III, Lynn K Price, and Nina Khanna."China Energy and Emissions Paths to 2030 (2nd Edition)." (2012).

Price, Lynn K, Nan Zhou, David Fridley, Hongyou Lu, Nina Zheng, Cecilia Fino-Chen, Stephanie Ohshita, and Nina Khanna."Development of an End-Use Sector- Based Low-Carbon Indicator System for Cities in China."ACEEE’s 2012 Summer Study on Energy Efficiency in Buildings (2012).