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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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  • 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.

    Colum 1 +
    • Windows & Daylighting
    • FLEXLAB® & Systems Integration
    • Electronics, Lighting & Networks
    • Modeling & Simulation
    • Indoor Air Quality
    • High Tech & Industrial
    Colum 2 +
    • Decision Science
    • Energy Analytics
    • The Grid & Demand Response
    • Cool Roofs & Walls
    • Urban Systems
  • 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.

    • Presentations
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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.

    • Whole Building
    • Occupant Behavior
    • Lighting
    • Windows and Envelope Materials
    • Cool Surfaces
    • City and Districts

Publications

Publications By Research Area

  • Cool Roofs & Walls
  • Decision Science
  • Electronics, Lighting & Networks
  • Energy & Financing
  • Energy Analytics
  • FLEXLAB® and Systems Integration
  • High Tech & Industrial
  • Indoor Air Quality
  • Modeling & Simulation
  • The Grid & Demand Response
  • Windows & Daylighting

2013

Zhu, Dandan, Tianzhen Hong, Da Yan, and Chuang Wang."A Detailed Loads Comparison of Three Building Energy Modeling Programs: EnergyPlus, DeST and DOE-2.1E."Building Simulation 6.3 (2013) 323-335. DOI
Hong, Tianzhen, Hung-Wen Lin, Wen-Kuei Chang, Liping Wang, William J. N. Turner, Da Yan, Dandan Zhu, Xin Zhou, Chuang Wang, Chen Peng, and Xiaoxin Ren."Building Performance Simulation." (2013).
Zhu, Dandan, Da Yan, Tianzhen Hong, and Chuang Wang."Comparison of Building Energy Simulation Programs: Dest, EnergyPlus and DOE-2." (2013).

2012

Zhu, Dandan, Tianzhen Hong, and Chuang Wang."Comparison of Building Energy Modeling Programs: Building Loads." (2012).
Zhu, Dandan, Tianzhen Hong, Da Yan, and Chuang Wang."Comparative research in building energy modeling programs."China Annual HVACR Conference (2012).

2011

Zhu, Dandan, Chuang Wang, Da Yan, and Tianzhen Hong."A Comparison of DeST and EnergyPlus."China HVAC Simulation Conference (2011).

2009

Xu, Tengfang T., Chuang Wang, Tianzhen Hong, and Mark D. Levine."Technical Assistance to Beichuan Reconstruction: Creating and Designing Low- to Zero-carbon Communities in New Beichuan." (2009).

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