Refer to January 2010 B2B for an introduction to energy auditing and energy retrocommissioning. A good guideline for implementing an energy audit is the ASHRAE Procedures for Commercial Building Energy Audits manual.
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