Customers can reasonably expect to save 16%1 of their annual energy use as a result of RCx. Results will vary based on building type and systems.
1: Parrish, Granderson, Mercado, Mathew 2013. “Improving Energy Efficiency through Commissioning: Getting Started with Commissioning, Monitoring, and Maintaining Performance” Lawrence Berkeley National Laboratory. https://eta.lbl.gov/publications/improving-energy-efficiency-through