| 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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2010

Mathew, Paul A, William F Tschudi, Dale A Sartor, and James Beasley."Cleanroom Energy Efficiency: Metrics and Benchmarking."ASHRAE Journal 52 (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

Sartor, Dale A, and Mark Wilson."Money for Research, Not for Energy Bills: Finding Energy and Cost Savings in High Performance Computer Facility Designs."Computing in Science and Engineering 12 (2010) 19-Nov.

2009

Bell, Geoffrey C, Bill Storey, and Michael K Patterson."Control of Computer Room Air Conditioning using IT Equipment Sensors." (2009).

Singer, Brett C, Paul A Mathew, Steve E Greenberg, William F Tschudi, Dale A Sartor, Susan Strom, and Walter Vernon."Hospital Energy Benchmarking Guidance." (2009) 32.

Bell, Geoffrey C, and Clifford C Federspiel."Demonstration of Datacenter Automation Software and Hardware (DASH) at the California Franchise Tax Board." (2009).

Singer, Brett C, and William F Tschudi."High Performance Healthcare Buildings: A Roadmap to Improved Energy Efficiency." 515 (2009) 5264-69.

Mathew, Paul A, Steve E Greenberg, Srirupa Ganguly, Dale A Sartor, and William F Tschudi."How Does Your Data Center Measure Up? Energy Efficiency Metrics and Benchmarks for Data Center Infrastructure Systems."HPAC Journal (2009).

Mills, Evan, and Paul A Mathew."Monitoring Based Commissioning: Benchmarking Analysis of 24 UC/CSU/IOU Projects." (2009).

Mathew, Paul A, Dale A Sartor, and William F Tschudi."Self-benchmarking Guide for Cleanrooms: Metrics, Benchmarks, Actions." (2009).

Mathew, Paul A, Srirupa Ganguly, Steve E Greenberg, and Dale A Sartor."Self-benchmarking Guide for Data Centers: Metrics, Benchmarks, Actions." (2009).

Mathew, Paul A, Steve E Greenberg, and Dale A Sartor."Self-benchmarking Guide for Laboratory Buildings: Metrics, Benchmarks, Actions." (2009).

2008

Mathew, Paul A."An Estimate of Energy Use in Laboratories, Cleanrooms, and Data Centers in New York." (2008).

Mathew, Paul A, Steve E Greenberg, Dale A Sartor, and Peter Rumsey."Metrics and Benchmarks for Energy Efficiency in Laboratories."ASHRAE Journal (2008) 40-47.

2007

Amon, Dan, Tom Smith, and Paul A Mathew."System Static Pressure Optimization." (2007).

Tschudi, William F, and Charles H Williams."Power Supply Options for Data Centers." (2007).

Shehabi, Arman, William F Tschudi, and Ashok J Gadgil."Data Center Economizer Contamination and Humidity Study." (2007).

Xu, Tengfang T, and Steve E Greenberg."Data Center Energy Benchmarking: Part 1-5." (2007).

Xu, Tengfang T, Jan Eudy, and Chuck Berndt."New Challenges in Contamination Control: The Leadership Role of IEST in Shaping Future Research and Practices."CleanRooms Magazine (2007) 18-20.

Xu, Tengfang T."Standard Methods of Characterizing Performance of Fan Filter Units, Version 3.x." (2007).

2006

Tschudi, William F, and Stephen Fok."Best Practices for Energy Efficient Data Centers Identified Through Case Studies and Demonstration Projects."2007 ASHRAE Winter Meeting (2006).

Xu, Tengfang T."An Innovative Method for Dynamic Characterization of Fan Filter Unit Operation."Journal of the IEST 50 (2006).

Xu, Tengfang T."Development of a Fan-Filter Unit Test Standard, Laboratory Validations, and its Applications across Industries."CleanRooms Magazine (2006).

Kozminski, Kenneth, Stuart Lewis, and Paul A Mathew."Efficient Electrical Lighting for Laboratories." (2006).

Mathew, Paul A, and Kath Williams."LEED for Labs: Review and Outlook." (2006).