Understanding whether your facility needs retro-commissioning or re-commissioning depends largely on the building’s history and current conditions.
Retro-Commissioning is designed for existing buildings that were never formally commissioned at the time of their initial construction. It involves a comprehensive evaluation and fine-tuning of building systems—such as HVAC, lighting, and controls—to identify and correct inefficiencies, optimize energy performance, and address operational issues that have emerged over time. Retro-commissioning is ideal if your building is older, has not been regularly maintained, or if operational costs and occupant discomfort have become noticeable concerns.
Re-Commissioning, on the other hand, applies specifically to buildings that were previously commissioned, typically at initial occupancy or after significant renovations, but have experienced changes in occupancy, system performance, or usage patterns over time. This process revisits and revalidates system performance, restoring systems to their original optimal operating conditions, or recalibrates systems to meet todays demands in the most efficient manner . Re-commissioning is best for facilities where recent operational issues, renovations, expansions, or system upgrades require revalidation or recalibration of original commissioning benchmarks.
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