Lessons Learned from Case Studies of Six High-Performance Buildings

Research output: NRELTechnical Report


Commercial buildings have a significant impact on energy use and the environment. They account for approximately 18% (17.9 quads) of the total primary energy consumption in the United States (DOE 2005). The energy used by the building sector continues to increase, primarily because new buildings are added to the national building stock faster than old buildings are retired. Energy consumption bycommercial buildings will continue to increase until buildings can be designed to produce more energy than they consume. As a result, the U.S. Department of Energy's (DOE) Building Technologies Program has established a goal to create the technology and knowledgebase for marketable zero-energy commercial buildings (ZEBs) by 2025.
Original languageAmerican English
Number of pages151
StatePublished - 2006

NREL Publication Number

  • NREL/TP-550-37542


  • Bighorn Home Improvement Center
  • Chesapeake Bay Foundation
  • commercial building
  • energy consumption
  • Oberlin
  • Pennsylvania Department of Environmental Protection
  • Thermal Test Facility (TTF)
  • visitor center
  • ZEB
  • zero energy building
  • Zion National Park


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