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: BTUS Modeling and Simulation

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2006

Pan, Yiqun, Zhizhong Huang, Gang Wu, and Chen Chen."The Application of Building Energy Simulation and Calibration in Two High-Rise Commercial Buildings in Shanghai."SimBuild 2006 (2006).

Griffith, Brent T., Paul A. Torcellini, and John Ryan."Assessment of the Technical Potential for Achieving Zero-Energy Commercial Buildings."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Ellis, Peter G., Brent T. Griffith, Nicholas Long, and Paul A. Torcellini."Automated Multivariate Optimization Tool for Energy Analysis."SimBuild 2006 (2006).

Bhattacharya, Prajesh, S. Nara, P. Vijayan, T. Tang, W. Y. Lai, Patrick E. Phelan, Ravi S. Prasher, David W. Song, and J. Wang."Characterization of the Temperature Oscillation Technique to Measure the Thermal Conductivity of Fluids."International Journal of Heat and Mass Transfer 49.17-18 (2006) 2950-2956.

Haves, Philip, Robert J. Hitchcock, Kenneth L. Gillespie, Martha Brook, Christine Shockman, Joseph J Deringer, and Kristopher L. Kinney."Development of a Model Specification for Performance Monitoring Systems for Commercial Buildings."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Haves, Philip, Robert J. Hitchcock, Kenneth L. Gillespie, Martha Brook, Christine Shockman, Joseph J Deringer, and Kristopher L. Kinney."Development of a Model Specification for Performance Monitoring Systems for Commercial Buildings."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Kiliccote, Sila, Mary Ann Piette, David S. Watson, and Glenn D. Hughes."Dynamic Controls for Energy Efficiency and Demand Response: Framework Concepts and a New Construction Case Study in New York."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Mahattanataw, Prechaya, Charunpat Puvanant, and Darunee Mongkolsawat."The Energy Performance of the Cold-Formed Steel-Frame and Wood-Frame Houses Developed for Thailand."SimBuild 2006 (2006).

Xu, Peng."Evaluation of Demand Shifting Strategies With Thermal Mass in Large Commercial Buildings."SimBuild 2006 (2006).

Lee, Kyoung-ho, and James E. Braun."Evaluation of Methods for Determining Demand-Limiting Setpoint Trajectories in Commercial Buildings Using Short-Term Data Analysis."SimBuild 2006 (2006).

Witte, Michael J., Robert H. Henninger, and Drury B. Crawley."Experience Testing EnergyPlus With the IEA HVAC Bestest E300-E545 Series and IEA HVAC Bestest Fuel-Fired Furnace Series."SimBuild 2006 (2006).

Hanson, Mark, Steven Carlson, Dan Sammartano, and Thomas Taylor."Halfway to Zero Energy in a Large Office Building."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Basarkar, Mangesh, and Muthasamy Swami."IFC to CONTAM Translator."SimBuild 2006 (2006).

Lee, Kwang Ho, and Richard K. Strand."Implementation of an Earth Tube System Into EnergyPlus Program."SimBuild 2006 (2006).

Chowdhury, Ashfaque Ahmed, Mohammad Golam Rasul, and Mohammad Masud Kamal."Low Energy Cooling Technologies for Sub-Tropical/Warm Humid Climate Building Systems."SimBuild 2006 (2006).

Griffith, Brent T., and Drury B. Crawley."Methodology for Analyzing the Technical Potential for Energy Performance in the U.S. Commercial Buildings Sector With Detailed Energy Modeling."SimBuild 2006 (2006).

Griffith, Brent T.."A Model for Naturally Ventilated Cavities on the Exteriors of Opaque Building Thermal Envelopes."SimBuild 2006 (2006).

Wetter, Michael, and Christoph Haugstetter."Modelica versus TRNSYS — A Comparison Between an Equation-Based and a Procedural Modeling Language for Building Energy Simulation."Proc. of the 2nd SimBuild Conference (2006).

Mukhopadhyay, Jaya, and Jeff S. Haberl."Performance of High-Performance Glazing in IECC Compliant Building Simulation Model (DOE-2)."SimBuild 2006 (2006).

Tian, Zhen, and James A. Love."Radiant Slab Cooling: A Case Study of Building Energy Performance."SimBuild 2006 (2006).

Narayan, Shruti, Isabelle Lavedrine, and Maurya McClintock."Simulation Strategies for Healthcare Design to Achieve Comfort and Optimize Building Energy Use."SimBuild 2006 (2006).

Huang, Yu Joe, Norman Bourassa, Walter F. Buhl, Ender Erdem, and Robert J. Hitchcock."Using EnergyPlus for California Title-24 Compliance Calculations."SimBuild 2006 (2006).

Huang, Yu Joe, Norman Bourassa, Walter F. Buhl, Ender Erdem, and Robert J. Hitchcock."Using EnergyPlus for California Title-24 compliance calculations."SimBuild 2006 (2006).

Torcellini, Paul A., Shanti Pless, Michael Deru, and Drury B. Crawley."Zero Energy Buildings: A Critical Look at the Definition."2006 ACEEE Summer Study on Energy Efficiency in Buildings (2006).

Weber, Andreas, Ian Beausoleil-Morrison, Brent T. Griffith, Teemu Vesanen, and Sébastien Lerson."A Case Study Demonstrating the Utility of Inter-Program Comparative Testing for Diagnosing Errors in Building Simulation Programs."eSim 2006 (2006).