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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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    • Windows & Daylighting
    • FLEXLAB® & Systems Integration
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    • Decision Science
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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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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

2020

Caubel, Julien J., Vi H. Rapp, Sharon S. Chen, and Ashok J. Gadgil."Practical design considerations for secondary air injection in wood-burning cookstoves: An experimental study."Development Engineering 5 (2020) 100049. DOI

2018

Caubel, Julien J., Vi H. Rapp, Sharon S. Chen, and Ashok J. Gadgil."Optimization of Secondary Air Injection in a Wood-Burning Cookstove: An Experimental StudyOptimization of Secondary Air Injection in a Wood-Burning Cookstove: An Experimental Study."Environmental Science & Technology 52.7 (2018) 4449 - 4456. DOI

2017

Wilson, Daniel L., Vi H. Rapp, Julien J. Caubel, Sharon S. Chen, and Ashok J. Gadgil."Verifying mixing in dilution tunnels: How to ensure cookstove emissions samples are unbiased." (2017).

2016

Rapp, Vi H., Julien J. Caubel, Daniel L. Wilson, and Ashok J. Gadgil."Reducing Ultrafine Particle Emissions Using Air Injection in Wood-Burning Cookstoves."Environmental Science & Technology 50 (2016) 8368-8374. DOI

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