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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.

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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

2007

Haves, Philip, Moosung Kim, Massieh Najafi, and Peng Xu."A Semi-automated Commissioning Tool for VAV Air Handling Units: Functional Test Analyzer."ASHRAE Transactions 113.Pt. 1 (2007) 380-391.

2005

Xu, Peng, Philip Haves, and Moosung Kim."Model-Based Automated Functional Testing-Methodology and Application to Air Handling Units."ASHRAE Transactions 111.Pt. 1 (2005).
Xu, Peng, Philip Haves, and Moosung Kim."A Semi-Automated Functional Test Data Analysis Tool."13th National Conference on Building Commissioning (2005).

2003

Xu, Peng, Moosung Kim, and Philip Haves."An automated functional test and fault detection method." (2003).
Xu, Peng, Moosung Kim, and Philip Haves."Field tests of model based component level fault detection method." (2003).
Martin, Rodney, Peng Xu, Moosung Kim, and Philip Haves."Software toolbox for component-level model-based fault detection methods." (2003).

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