James D. Lutz

Jim Lutz

Energy Efficiency Standards Group
Lawrence Berkeley National Laboratory
1 Cyclotron Road MS 90R4000
Berkeley CA 94720
Office Location: 90-2121D
(510) 486-7302

Jim Lutz is a Research Associate Supervisor in LBNL's Energy Analysis Department. He has been with LBNL since 1990. Jim works on LBNL's water/energy team (WETT) and on hot water distribution systemwater heaters for the California Energy Commission. He has worked on the China water heater project and for CLASP in India on refrigerators. Jim has also worked on U.S. efficiency standards for furnaces, water heaters, pool heaters and plumbing products. Jim is a registered Professional Engineer and licensed general building contractor in California. He is active in ASHRAE, and currently serves on the ASHRAE Standards Committee, which is responsible for all code language documents, standards and guidelines. Jim was chair of ASHRAE SPC 118.2 when it recently issued a revised standard Method of Testing for Rating Residential Water Heaters. He is a member of ASME and ASPE. Jim has a B.S. in Engineering Science from California Polytechnic State University, San Luis Obispo and a B.A. in Sociology from Stanford University.

This publications database is an ongoing project, and not all Division publications are represented here yet.




Lutz, James D., Renaldi, Alexander B. Lekov, Yining Qin, and Moya Melody. Hot Water Draw Patterns in Single-Family Houses: Findings from Field Studies. Berkeley: Lawrence Berkeley National Laboratory, 2011. Download: PDF (721.47 KB)
Lutz, James D.. Review of International Methods of Test to Rate the Efficiency of Water Heaters. Berkeley: Lawrence Berkeley National Laboratory, 2011. Download: PDF (298.06 KB)
Hopkins, Asa S., Alexander B. Lekov, James D. Lutz, and Gregory J. Rosenquist. Simulating a Nationally Representative Housing Sample Using EnergyPlus. Berkeley: Lawrence Berkeley National Laboratory, 2011. Download: PDF (304.12 KB)


Lutz, James D.. Evaluation of TANK Water Heater Simulation Model as Embedded in HWSim. Berkeley: Lawrence Berkeley National Laboratory, 2010. Download: PDF (709.98 KB)
Lutz, James D.. FEMP Designated Product Assessment for Commercial Gas Water Heaters. Berkeley: Lawrence Berkeley National Laboratory, 2010. Download: PDF (240.22 KB)

Portrait Photos

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