Over the last couple months, this column has been about retrocommissioning, commissioning existing building systems that have never been commis-sioned before. There is no question that there is great potential to be realized through a retrocommissioning process, primarily in terms of improved system performance and decreased energy consumption. However, successful retrocommissioning is not something can be accomplished in a vacuum by a commissioning professional; it depends heavily on the building’s O&M staff.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue