| 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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2003

Haves, Philip, Guilherme Carrilho da Graça, and Paul F Linden."Use of Simulation in the Design of a Large Naturally Ventilated Commercial Office Building."Building Simulation ’03 (2003).

Bhattacharya, Prajesh, S.K Saha, Ajay K Yadav, Patrick E Phelan, and Ravi S Prasher."Determining the Effective Thermal Conductivity of a Nanofluid Using Brownian Dynamics Simulation."National Heat Transfer Conference (2003).

Brown, Richard E, and Jonathan G Koomey."Electricity Use in California: Past Trends and Present Usage Patterns."Energy Policy 31.9 (2003) 849-864. DOI

Akbari, Hashem."Measured energy savings from the application of reflective roofs in two small non-residential buildings."Energy 28.9 (2003) 953-967. DOI

Akbari, Hashem, Ronnen M Levinson, and Paul H Berdahl."A Review of Methods for the Manufacture of Residential Roofing Materials." (2003).

Rubinstein, Francis M, Nesrin Colak, Judy D Jennings, and Danielle Neils."Analyzing Occupancy Profiles from a Lighting Controls Field Study."CIE Session 2003 (2003).

Anders, André, and Othon R Monteiro."Surface Engineering of Glazing Materials and Structures Using Plasma Processes."Glass Processing Days 2003 (2003).

Byon, Eungsun, and André Anders."Effect of Underlayer on Coalescence of Silver Islands Grown by Filtered Cathodic Arc Deposition."The International Conference on Metallurgical Coatings and Thin Films (ICMCTF 2003) (2003).

Gustavsen, Arlid, and Paul H Berdahl."Spectral Emissivity of Anodized Aluminum and the Thermal Transmittance of Aluminum Window Frames."Nordic Journal of Building Physics 3 (2003) 1-12.

Taha, Haider, and Hashem Akbari."Cool roofs as an energy conservation measure for federal buildings." (2003).

Pomerantz, Melvin, Hashem Akbari, Sheng-Chieh Chang, Ronnen M Levinson, and Brian Pon."Examples of cooler reflective streets for urban heat-island mitigation : portland cement concrete and chip seals." (2003).

Richardson, Thomas J, and Jonathan L Slack."Lithium-Based Electrochromic Mirrors."203rd Meeting of the Electrochemical Society (2003).

Wenzel, Thomas P."Use of remote sensing measurements to evaluate vehicle emission monitoring programs: results from Phoenix, Arizona."Transportation Research Part D 6.2 (2003). DOI

Akbari, Hashem, Leanna S Rose, and Haider Taha."Analyzing the land cover of an urban environment using high-resolution orthophotos."Landscape and Urban Planning 63.1 (2003) 1-14. DOI

Andersen, Marilyn, Michael D Rubin, and Jean-Louis Scartezzini."Comparison Between Ray-Tracing Simulations and Bi-Directional Transmission Measurements on Prismatic Glazing."Solar Energy 74.2 (2003) 157-173. DOI

Rose, Leanna S, Hashem Akbari, and Haider Taha."Characterizing the fabric of the urban environment: a case study of greater Houston, Texas." (2003).

Wenzel, Thomas P, and Marc Ross."Comment on ‘‘Statistical modelling of vehicle emissions from inspection/maintenance testing data: an explanatory analysis’’."Transportation Research Part D 8.1 (2003) 69-71. DOI

Hong, Tianzhen, Charles N Eley, and Erik Kolderup."VisualDOE – A Green Design Tool."The 4th International Symposium on HVAC (2003).

Wetter, Michael, Elijah Polak, Godfried Augenbroe, and Jan Hensen."A convergent optimization method using pattern search algorithms with adaptive precision simulation."Proceedings of the 8th IBPSA Conference III (2003) 1393-1400.

Xu, Peng, Moosung Kim, and Philip Haves."An automated functional test and fault detection method." (2003).

Byon, Eungsun, Thomas W.H Oates, and André Anders."Coalescence of Nanometer Silver Islands on Oxides Grown by Filtered Cathodic Arc Deposition."Applied Physics Letters 82 (2003) 1634-1636.

Wetter, Michael, Jonathan A Wright, Godfried Augenbroe, and Jan Hensen."Comparison of a generalized pattern search and a genetic algorithm optimization method."Proceedings of the 8th IBPSA Conference III (2003) 1401-1408.

Pang, Xiufeng, Yongcheng Jiang, Yan-shu Miao, and Jun Xiong."Computer Measurement and Automation System for Gas-fired Heating Furnace."Journal of Harbin Institute of Technology (Chinese) 35.3 (2003) 374-378.

Rubinstein, Francis M, Mehry Yazdanian, and Jim Galvin."Draft Photosensor Characterization Report." (2003).

Buswell, Richard A, Philip Haves, and Jonathan A Wright."Field Testing Model-Based Condition Monitoring on a HVAC Cooling Coil Sub-System."Building Services Engineering Research & Technology 24.2 (2003) 103-116.