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.
- Presentations
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

2013

O'Donnell, James, Tobias Maile, Cody Rose, Natasa Mrazovic, Elmer Morrissey, Cynthia Regnier, Kristen Parrish, and Vladimir Bazjanac."Transforming BIM to BEM: Generation of Building Geometry for the NASA Ames Sustainability Base BIM." (2013).

2011

Bazjanac, Vladimir, Tobias Maile, Cody Rose, James O'Donnell, Natasa Mrazovic, Elmer Morrissey, and Benjamin Welle."An Assessment of the use of Building Energy Performance Simulation in Early Design."IBPSA Building Simulation 2011 (2011).

2007

Gallachóir, Brian Ó, Marcus Keane, Elmer Morrissey, and James O'Donnell."Using Indicators to Profile Energy Consumption and Inform Energy Policy in a University - A Case Study in Ireland."Energy and Buildings 39.8 (2007) 913-922. DOI

2005

Morrissey, Elmer, Marcus Keane, James O'Donnell, and John F McCarthy."Building Effectiveness Communication Ratios for Improved Building Life Cycle Management."IBPSA Building Simulation Conference 2005 (2005).

O'Donnell, James, Elmer Morrissey, Marcus Keane, and Brian Ó Gallachóir."Reducing Building Operational Cost Through Environmental Effectiveness Ratios."Building Simulation 2005 IBPSA International Conference (2005).

2004

O'Donnell, James, Elmer Morrissey, Marcus Keane, and Vladimir Bazjanac."BuildingPI: A Future Tool for Building Life Cycle Analysis."SimBuild 2004 1st International Conference of IBPSA-USA (2004).

Morrissey, Elmer, James O'Donnell, Marcus Keane, and Vladimir Bazjanac."Specification and Implementation of IFC Based Performance Metrics to Support Building Life Cycle Assessment of Hybrid Energy Systems."SimBuild 2004: Building Sustainability and Performance Through Simulation (2004).

Morrissey, Elmer, James O'Donnell, Marcus Keane, and Vladimir Bazjanac."Specification and Implementation of IFC Based Performance Metrics to Support Building Life Cycle Assessment of Hybrid Energy Systems."SimBuild 2004, Building Sustainability and Performance Through Simulation (2004).

Morrissey, Elmer, James O'Donnell, Marcus Keane, and Vladimir Bazjanac."Specification and Implementation of IFC-Based Performance Metrics to Support Building Life Cycle Assessment of Hybrid Energy Systems."SimBuild 2004, Building Sustainability and Performance Through Simulation (2004).

Morrissey, Elmer, James O'Donnell, Marcus Keane, and Vladimir Bazjanac."Specification of IFC Based Performance Metrics to Support Building Life Cycle Analysis of Hybrid Energy Systems."SimBuild 2004 1st International Conference of IBPSA-USA (2004).