Continuous CommissioningSM of Building Energy Systems

Author:

Liu Mingsheng1,Claridge David E.2,Turner W. D.2

Affiliation:

1. Energy Systems Laboratory, University of Nebraska, Omaha, NE 68182

2. Energy Systems Laboratory, Texas A&M University

Abstract

Continuous Commissioning (CCSM) is an ongoing process to resolve operating problems, improve comfort, optimize energy use, and identify retrofits for existing commercial and institutional buildings and central plant facilities. CC focuses on optimizing/improving overall system control and operations for the building as it is currently utilized and on meeting existing facility needs. Innovative optimal engineering solutions are developed using engineering-based model analysis integrated with scientific field measurement. Integrated approaches are used to implement these solutions to ensure practical local and global system optimization and to ensure persistence of the improved operational schedules. Implementation of the CC process has typically decreased building energy consumption by 20% in well over 100 large buildings where it has been implemented. This paper presents the CC process, the primary CC techniques and measures, and a case study.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Reference32 articles.

1. ASHRAE, 1996, “ASHRAE Guideline 1-1996: The HVAC Commissioning Process,” American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, GA.

2. Haasl, T., and Sharp, T., 1999, A Practical Guide for Commissioning Existing Buildings, Portland Energy Conservation, Inc., and Oak Ridge National Laboratory for U.S. DOE, ORNL/TM-1999/34.

3. Liu, M., and Claridge, D. E., 1998, “Use of Calibrated HVAC Models to Optimize System Operation,” ASME J. Sol. Energy Eng., 120, pp. 131–138.

4. Liu, M., and Claridge, D. E., 1999, “The Maximum Potential Energy Savings from Optimizing Cold and Hot Deck Reset Schedules for Dual Duct VAV Systems.” ASME J. Sol. Energy Eng., 121, pp. 171–175.

5. Liu, M., Houcek, J., Athar, A., Reddy, A., and Claridge, D. E., 1994, “Identifying and Implementing Improved Operation and Maintenance Measures in Texas LoanSTAR Buildings,” ACEEE 1994 Summer Study on Energy Efficiency in Buildings Proceedings: Commissioning, Operation and Maintenance, 5, American Council for an Energy Efficient Economy, Washington, DC, pp. 153–165.

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