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An Assessment of Selected Programs at the National Institute of Standards and Technology Engineering Laboratory Fiscal Year 2020 (2021) / Chapter Skim
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8 Embedded Intelligence in Buildings Program
Pages 65-71

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From page 65...
... are an area of rapid growth within the broader HVAC market, expected to reach a global value of about $33 billion by 2026.2 The potential economic impact of advances in embedded building intelligence is enormous, since HVAC accounts for about 50 percent of residential energy use3 and 44 percent of commercial building energy use.4 The issues have national importance, since survey information has reported that more than 90 percent of residential HVAC systems are operating with at least one fault and that even more fail basic diagnostics because of flow restrictions or incomplete installations.5 On a global scale, the 2018 Intergovernmental Panel on Climate Change report noted that in 2010 buildings accounted for 32 percent of total global energy use, 19 percent of greenhouse gas (GHG) emissions, and up to one-third of fluorinated gases.6 Energy use and emissions from the building sector 1 Embedded Intelligence in Buildings Program description is available at http://www.nist.gov/programsprojects/embedded-intelligence-buildings-program.
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From page 66...
... External studies suggest that over 30 percent of annual primary energy consumed in today's U.S. commercial buildings could be saved with fully functional advanced controls.9 Existing buildings and emerging high-performance buildings require accurate sensing, effective use of existing controls, deployment of advanced controls, and enhancement with embedded intelligence.
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From page 67...
... BACnet, the building automation and control network protocol that has become ASHRAE/ANSI Standard 135, and standard ISO 16484-5, which enables disparate building systems to exchange information. The NIST team's publications and products include major contributions such as HVACSIM+, the "HVAC SIMulation PLUS other systems" computation tool.14 The NIST Data Alignment Tool helps users analyze building system fault and commissioning information.15 The current research on failure detection and diagnostics is leading new directions for industry and has strong promise for positive impact on building system performance and energy reduction.
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From page 68...
... PORTFOLIO OF SCIENTIFIC EXPERTISE Accomplishments The EIB programs as presented by the NIST team showed strong expertise and overall technical excellence. The individual projects were well thought out and executed competently.
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From page 69...
... In the renewable energy arena, the lack of reproducible test conditions and consistent measurement methods have been barriers to progress. The thorough scientific approach at NIST confirms their global leadership in rigorous science-driven data generation and analysis.
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From page 70...
... RECOMMENDATION: The Engineering Laboratory should articulate and plan more activities around a long-term strategic research plan, developed with input from independent outside advisory panels. Intelligent building operations reach beyond temperature and indoor air quality management; operations also include lighting quality, acoustics and noise, active energy management, and the whole range of issues directed to improved human productivity and quality of life.
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From page 71...
... The NIST team has the opportunity to raise the level of data-driven work at relevant national laboratories, at the same time benefiting from collaboration in some DOE facilities. RECOMMENDATION: The Engineering Laboratory should consider closer engagement with other relevant national laboratories, specifically on intelligent buildings and intelligent grids.
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Key Terms

  • intelligent building
  • renewable energy
  • engineering laboratory
  • intelligent buildings
  • building operations

  • commercial buildings
  • relevant national
  • nist team
  • commercial building
  • building controls

  • energy efficiency
  • intelligent electricity
  • fault detection
  • global leadership
  • embedded intelligence

  • electricity grids
  • smart grid
  • occupant comfort
  • nist eib
  • buildings energy

  • energy reduction
  • energy work
  • energy consumption
  • mentoring program
  • building automation

  • existing buildings
  • nist data
  • energy management
  • measurement science
  • positive impact


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