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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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.

Publications: IEG Homes

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2014

Turner, William J. N., and Iain S. Walker."Using a Ventilation Controller to Optimize Residential Passive Ventilation For Energy and Indoor Air Quality." (2014).

2013

Mullen, Nasim A., Marion L. Russell, Melissa M. Lunden, and Brett C. Singer."Investigation of formaldehyde and acetaldehyde sampling rate and ozone interference for passive deployment of Waters Sep-Pak XPoSure samplers."Atmospheric Environment 80 (2013) 184-189. DOI

Fisk, William J., Federico Noris, and Brett C. Singer."Energy impacts of energy and indoor environmental quality retrofits of apartments." (2013).

Noris, Federico, Gary Adamkiewicz, William W. Delp, Toshifumi Hotchi, Marion L. Russell, Brett C. Singer, Michael Spears, Kimberly Vermeer, and William J. Fisk."Indoor environmental quality benefits of apartment energy retrofits."Building Environment 68 (2013) 170–178. DOI

Chan, Wanyu R., Jeffrey Joh, and Max H. Sherman."Analysis of Air Leakage Measurements of US Houses."Energy and Buildings (2013) 616-625. DOI

Maddalena, Randy L., Na Li, Alfred T. Hodgson, Francis J. Offermann, and Brett C. Singer."Maximizing Information from Residential Measurements of Volatile Organic Compounds."Healthy Buildings 2012 - 10th International Conference (2013).

Noris, Federico, William W. Delp, Kimberly Vermeer, Gary Adamkiewicz, Brett C. Singer, and William J. Fisk."Protocol for maximizing energy savings and indoor environmental quality improvements when retrofitting apartments."Energy and Buildings 61 (2013) 378-386. DOI

Rapp, Vi H., Albert Pastor-Perez, Brett C. Singer, and Craig P. Wray."Predicting Backdrafting and Spillage for Natural-Draft Gas Combustion Appliances: Validating VENT-II." (2013). DOI

Walker, Iain S., Max H. Sherman, Jeffrey Joh, and Wanyu R. Chan."Applying Large Datasets to Developing a Better Understanding of Air Leakage Measurement in Homes."International Journal of Ventilation 11.4 (2013) 323-338.

Walker, Iain S., Darryl J. Dickerhoff, David Faulkner, and William J. N. Turner."System Effects of High Efficiency Filters in Homes."ASHRAE Annual Conference (2013).

Walker, Iain S., and Max H. Sherman."Effect of Ventilation Strategies on Residential Ozone Levels."Building and Environment 59 (2013) 456–465. DOI

Logue, Jennifer M., Max H. Sherman, Iain S. Walker, and Brett C. Singer."Energy Impacts of Envelope Tightening and Mechanical Ventilation for the U.S. Residential Sector."Energy and Building 65 (2013) 281-291. DOI

Walker, Iain S., Darryl J. Dickerhoff, David Faulkner, and William J. N. Turner."Energy Implications of In-‐Line Filtration in California." (2013).

Chan, Wanyu R., and Max H. Sherman."Improving Building Envelope and Duct Airtightness of US Dwellings - the Current State of Energy Retrofits." (2013).

Sherman, Max H., Iain S. Walker, and Melissa M. Lunden."Uncertainties in Air Exchange using Continuous-Injection, Long-Term Sampling Tracer-Gas Methods." (2013).

Willem, Henry, Erin L. Hult, Toshifumi Hotchi, Marion L. Russell, Randy L. Maddalena, and Brett C. Singer."Ventilation Control of Volatile Organic Compounds in New U.S. Homes: Results of a Controlled Field Study in Nine Residential Units." (2013).

2012

Turner, William J. N., and Iain S. Walker."Advanced Controls and Sustainable Systems for Residential Ventilation." (2012).

Lunden, Melissa M., David Faulkner, Elizabeth Heredia, Sebastian Cohn, Darryl J. Dickerhoff, Federico Noris, Jennifer M. Logue, Toshifumi Hotchi, Brett C. Singer, and Max H. Sherman."Experiments to Evaluate and Implement Passive Tracer Gas Methods to Measure Ventilation Rates in Homes." (2012).

Chan, Wanyu R., Jeffrey Joh, and Max H. Sherman."Air Leakage of US Homes: Regression Analysis and Improvements from Retrofit." (2012).

Chan, Wanyu R., Jeffrey Joh, and Max H. Sherman."Analysis of Air Leakage Measurements from Residential Diagnostics Database." (2012).

Offermann, Francis J., Randy L. Maddalena, Francis J. Offermann, Brett C. Singer, and Henry Willem."The impact of ventilation rate on the emission rates of volatile organic compounds in residences."Healthy Buildings 2012 - 10th International Conference (2012).

Logue, Jennifer M., William J. N. Turner, Iain S. Walker, and Brett C. Singer."Evaluation of an Incremental Ventilation Energy Model for Estimating Impacts of Air Sealing and Mechanical Ventilation." (2012).

Stratton, J. Chris, and Iain S. Walker."Health and Safety Guide for Home Performance Contractors." (2012).

Hu, Tianchao, Brett C. Singer, and Jennifer M. Logue."Compilation of Published PM2.5 Emission Rates for Cooking, Candles and Incense for Use in Modeling of Exposures in Residences." (2012).

Walker, Iain S., Max H. Sherman, and Darryl J. Dickerhoff."Development of a Residential Integrated Ventilation Controller." (2012).