What is Retro-Commissioning
Commissioning of existing buildings or “Retro-Commissioning,” is a systematic process applied to existing buildings for identifying and implementing operational and maintenance improvements and for ensuring continued performance and efficiency over time. Retro-commissioning is a process that not only intends to optimize building system operation but also ensures systems are functioning together. Implementation of retro-commissioning may recommend capital improvements, but the primary focus is on using O&M tune-up activities and diagnostic testing to optimize the building systems. Primary objective of existing building retro-commissioning is:
- Optimize control systems through calibration of sensors, review of trend logs data, and functional equipment testing;
- Improve building performance by saving energy and reducing operational costs;
- Identify and resolve building system operation, control, and maintenance problems;
- Reduce or eliminate occupant complaints and increase occupant satisfaction;
- Improve indoor environmental comfort and quality;
- Document system operation;
- Identify operational and maintenance enhancements that result in improvements in energy efficiency, occupant comfort, or indoor air quality;
- Identify the operations & maintenance (O&M) personnel training needs; and Extend equipment life-cycles.
Importance of Retro-Commissioning
Building Retro-commissioning is an important process for existing buildings that seeks to improve building systems function. Process can often address problems that have developed throughout the building's life. Retro-commissioning improves building operations and maintenance (O&M) procedures to enhance overall building performance.
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