Cooling Tower Minimum EfficiencyNonresidential HVAC
Codes and Standards Enhancement (CASE) Report
The Statewide CASE Team 2019 Title 24, Part 6 Final CASE Report is available below. The Final CASE Report incorporates feedback received during utility-sponsored stakeholder meetings, Energy Commission Pre-Rulemaking workshops, and personal communication with stakeholders. We encourage stakeholders to email feedback on the Final CASE Report to email@example.com. You can also participate in the 2019 Title 24, Part 6 Standards updated by attending the Energy Commission workshops and submitting written comments to the rulemaking docket. Refer to the Pre-Rulemaking and Rulemaking Workshop Notices for instructions on how to submit comments to the Energy Commission’s docket (available here).
The CASE Report proposes a prescriptive requirement for higher efficiency axial fan open-circuit cooling towers for newly constructed projects, new systems that serve additions, and non-building mounted replacements/alterations. The current 2016 Title 24, Part 6 Standards’ mandatory minimum efficiency for axial fan open-circuit cooling towers is 42.1 gallons per minute of condenser water flow per fan horsepower (
Resources Developed By Statewide CASE Team
- Presentation from Stakeholder Meeting on September 26, 2016
- Notes from Stakeholder Meeting on September 26, 2016
- Presentation from Stakeholder Meeting on March 15, 2017
- Draft Code Language
- Notes from Stakeholder Meeting on March 15, 2017
California Statewide Utility Codes and Standards Program
This program is funded by California utility customers and administered by Pacific Gas and Electric Company, Southern California Edison, San Diego Gas and Electric Company, Southern California Gas Company, Sacramento Municipal District, and Los Angeles Department of Water and Power in preparation for the California Energy Commission’s Codes and Standards Buildings Advocacy.