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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News
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

Publications By Research Area

1984

Neeman, Eliyahu, and Stephen E. Selkowitz."Windows, Skylights and Atria - Occupants Visual/Subjective Comparison."ASHRAE Transactions 90 (1984).

1983

Diamond, Richard C.."Energy and Housing for the Elderly: Preliminary Observations."Working Conference on Families and Energy--Coping with Uncertainty, Michigan State University (1983).

Lipschutz, Ronnie D., Richard C. Diamond, and Robert C. Sonderegger."Some Technical and Behavioral Aspects of Energy Use in a High-Rise Apartment Building." (1983).

Neeman, Eliyahu, and Stephen E. Selkowitz."Daylight Availability as a Function of Atmospheric Conditions."5th Conference on Atmospheric Radiation (1983).

Haves, Philip."SERI-RES: a Thermal Simulation Model for Passive Solar and Low Energy Buildings."Design methods for Passive Solar Buildings Conf (1983).

Selkowitz, Stephen E., and Carl M Lampert."Advanced Optical and Thermal Technologies for Aperature Control."Passive and Hybrid Solar Energy Update (1983).

Lipschutz, Ronnie D., Richard C. Diamond, and Robert C. Sonderegger."Energy Use in a High-Rise Apartment Building." (1983).

Berman, Sam M., Daniel S. Greenhouse, Ian L. Bailey, and Arthur Bradley."Experimental Studies Relating Environmental Lighting Flicker to Visual Fatigue in VDT Operators."20th Session of CIE (CIE Session 83) (1983).

Research, Lighting Systems."Energy-Efficient H.I.D. Solid-State Ballast: Phase II Final Report." (1983).

Selkowitz, Stephen E., Russell Johnson, Robert Sullivan, and S. Choi."Impact of Fenestration on Energy Use and Peak Loads in Daylighted Commercial Buildings."8th National Passive Solar Conference (1983) 187-192.

Selkowitz, Stephen E.."New Tools for Analyzing Thermal and Daylighting Performance of Fenestration in Multistory Buildings."International Symposium on the Design of Multistory Buildings for Physical and Environmental Performance, June 1-3, 1983 (1983).

Haves, Philip."Selection and Sizing of Low Energy Cooling Systems for More Humid Climates."2nd International Passive and Low Energy Architecture Conference (1983).

Eto, Joseph H."Optimal Cogeneration Systems for High-Rise Office Buildings."18th Intersociety Energy Conversion Engineering Conference (1983).

Richardson, Robert W., and Sam M. Berman."Experimental Studies of Enhanced Emittance by Zeeman Splitting of a Low-Pressure Mercury/Argon Discharge."3rd International Symposium on the Science and Technology of Light Sources (1983).

Sherman, Max H.."Air Infiltration Research at the Lawrence Berkeley Laboratory."Air Infiltration Review 4.4 (1983) 4-5.

Grimsrud, David T., Max H. Sherman, and Robert C. Sonderegger."Calculating Infiltration: Implications for a Construction Quality Standard." (1983).

Modera, Mark P., Max H. Sherman, and P.A. Levin."A Detailed Examination of the LBL Infiltration Model with the Mobile Infiltration Test Unit."ASHRAE Transactions 89 (1983).

Sherman, Max H., Darryl J. Dickerhoff, and David T. Grimsrud."Field Testing of Wind Cooling Effects on Navy Buildings." (1983).

Navvab, Mojtaba, Mahmut Karayel, Eliyahu Neeman, and Stephen E. Selkowitz."Analysis of Atmospheric Turbidity for Daylight Calculations."Energy and Buildings 6 (1983) 293-303.

Verderber, Rudolph R.."Assessing Fluorescent Ballast/Lamp Systems."Electrical Consultant 64 (1983) 47.

Johnson, Russell, Robert Sullivan, Shirley Nozaki, Stephen E. Selkowitz, Craig Conner, and Dariush K. Arasteh."Building Envelope Thermal and Daylighting Analysis in Support of Recommendations to Upgrade ASHRAE/IES Standard 90: Vol 1, Parametric Study, Analysis, and Results." (1983).

Verderber, Rudolph R., and Francis M. Rubinstein."Comparison of Technologies for New Energy-Efficient Lamps."IEEE Transactions on Industry Applications 1A-20 (1983).

Winkelmann, Frederick C.."Daylighting Calculation in DOE-2." (1983).

Rubinstein, Francis M., Mahmut Karayel, and Rudolph R. Verderber."Field Study on Occupancy Scheduling as a Lighting Management Strategy."Lighting Design + Application 14 (1983).

Clear, Robert D., and Sam M. Berman."Fundamental Problems with Visual Performance Research Described in the CIE 19/2 Report."1983 IES Annual Conference (1983).