| 270433 | 6/9/2026 |
CPSA & PHTA Response to CALSSA Comments on the “Solar Heating for an Existing Pool and Spa” CASE Proposal – 2028 Title 24, Part
3 page(s)
| | CEC Docket Unit | George Cavinta |
| 270409 | 6/9/2026 |
Tesla_Comments_Proposed_Code_Change_130_2c_EV_Lighting
3 page(s)
| | CEC Docket Unit | Kevin Xue |
| 270365 | 6/1/2026 |
Charlie Stephens Comments - Comment on Part 6 CASE Report Air Distribution, Section 3 (Modulating DPAS)
3 page(s)
| | California Energy Commission, Building Energy Efficiency Standards Division | Charlie Stephens |
| 270364 | 6/1/2026 |
Louis Starr Comments - Comments on Modulating DOAS Title 24 2028 Energy Code Pre-Rulemaking
Efficiency
3 page(s)
| | CEC/Docket Unit | Louis Starr |
| 270347 | 5/29/2026 |
Mike Little Comments - Comments for HPWH and PV exemption, additional information
Compliance
18 page(s)
| | CEC/Docket Unit | Mike Little |
| 270192 | 5/22/2026 |
Nicholas O'Neil Comments - Nicholas O'Neil Comments - Re; DOAS code change proposals for 2028 Title24
Efficiency
4 page(s)
| | CEC/Docket Unit | Nicholas O'Neil |
| 270111 | 5/20/2026 |
Roger Baker Comments - Benefit-Cost Analysis of Certain Measures
Efficiency
2 page(s)
| | CEC/Dockets | Roger Baker |
| 270097 | 5/19/2026 |
IIAR Perspective on Efficiency Ratings
Efficiency, Facility Design, Greenhouse Gases
3 page(s)
| | CEC Docket Unit | International Institute of All-Natural Refrigeration |
| 270083 | 5/19/2026 |
Notice of Pre-Rulemaking Staff Workshops on the 2028 Energy Code
The California Energy Commission (CEC) will host three pre-rulemaking public workshops (June 23, 24, 25) to present and discuss proposed changes for the 2028 update to the Building Energy Efficiency Standards.
Efficiency
4 page(s)
| | CEC Docket Unit | California Energy Commission |
| 270027 | 5/18/2026 |
NEMIC_2028_Proposal_Supersedes TN#269866
Mechanical ATT and ATE Equitable Audit Process
Compliance
4 page(s)
| | CEC/Docket Unit | NEMI |
| 270003 | 5/15/2026 |
Ron Shebik Comments - Title 24 adiabatic cooling requirements for CO2 CDUs
Efficiency
3 page(s)
| | CEC/Docket Unit | Ron Shebik |
| 269997 | 5/15/2026 |
Ignacio Varela Chaparro Comments - Request to revise Title 24 requirements for CO2 remote condensing units
3 page(s)
| | CEC/Docket Unit | Ignacio Varela Chaparro |
| 269985 | 5/15/2026 |
Jon Murray Comments - Title 24 adiabatic cooling requirements for CO2 CDUs
Efficiency, Compliance
3 page(s)
| | CEC/Docket Unit | Jon Murray |
| 269933 | 5/12/2026 |
Request to revise Title 24 requirements for CO2 remote condensing units
Efficiency
2 page(s)
| | CEC Docket Unit | Omni Mechanical Solutions |
| 269932 | 5/12/2026 |
Title 24 variable Vi topic for 2028 considerations
Compliance
1 page(s)
| | CEC Docket Unit | Kurt Liebendorfer |
| 269890 | 5/8/2026 |
Refplus Comments - Adiabatic required on CO2 systems in California
Efficiency, Compliance
1 page(s)
| | CEC/Docket Unit | Refplus |
| 269889 | 5/8/2026 |
Chris Malt Comments - Transcritical CO2 Condensing Units
Alternatives, Efficiency, Compliance, Reliability, Greenhouse Gases
3 page(s)
| | CEC/Docket Unit | Chris Malt |
| 269884 | 5/7/2026 |
Glenn Barrett, DC Engineering Comments - Request to revise T24 requirement for Adiabatic gas coolers on CO2 condensing units
Compliance
1 page(s)
| | CEC/Docket Unit | Glenn Barrett, DC Engineering |
| 269883 | 5/7/2026 |
Glenn Barrett, DC Engineering Comments - Request to revise T24 requirement for Adiabatic gas coolers on CO2 condensing units
Compliance
1 page(s)
| | CEC/Docket Unit | Glenn Barrett, DC Engineering |
| 269882 | 5/7/2026 |
Nelson Pinheiro Comments - Request to Revise Title 24 requirements for CO2 remote Condensing Units
Efficiency
2 page(s)
| | CEC/Docket Unit | Nelson Pinheiro |
| 269881 | 5/7/2026 |
Nelson Pinheiro Comments - Request to Revise Title 24 requirements for CO2 remote Condensing Units
2 page(s)
| | CEC/Docket Unit | Nelson Pinheiro |
| 269879 | 5/7/2026 |
Jamon Craig Comments - Request to revise Title 24 requirements for CO2 remote condensing units
Compliance
2 page(s)
| | CEC/Docket Unit | Jamon Craig |
| 269866 | 5/6/2026 |
NEMI Comments - Mechanical ATT and ATE Equitable Audit Process
9 page(s)
| | CEC/Dockets | NEMI |
| 269827 | 5/4/2026 |
Danielle Wright Comments - Request to revise Title 24 requirements for CO2 remote condensing units
2 page(s)
| | CEC Commissioners | Danielle Wright |
| 269821 | 5/4/2026 |
ARCXIS Comments - Sampling and Install Certificate Updates Proposal
13 page(s)
| | CEC/Docket Unit | ARCXIS |
| 269653 | 4/27/2026 |
Andrew Reilman Comments - 2028 Title 24, Part 6 Draft CASE Report HVAC Air Distribution, Section 3 Modulating DOAS
3 page(s)
| | CEC/Docket unit | Andrew Reilman |
| 269652 | 4/27/2026 |
Jonathan Heller Comments - Short Memo on Modulating DOAS code change proposal for 2028 Title24
2 page(s)
| | CEC/Docket Unit | Jonathan Heller |
| 269645 | 4/27/2026 |
Neil Bulger Comments - DOAS CASE Measure
13 page(s)
| | CEC/Docket Unit | Neil Bulger |
| 269625 | 4/24/2026 |
Bradford White Corporation Comments - Bradford White Corporation Comments to Nonresidential Water Heating
4 page(s)
| | CEC/Docket Unit | Bradford White Corporation |
| 269545 | 4/21/2026 |
MATT ENS Comments - Request for Change - CA Energy Code as it relates to ADU power supply
Compliance, Transmission System Engineering
2 page(s)
| | CEC/Dockets Unit | MATT ENS |
| 269537 | 4/20/2026 |
William Slope Comments - Objection to AHRI 420 Test Procedure
Efficiency
2 page(s)
| | CEC/Docket Unit | William Slope |
| 269498 | 4/15/2026 |
SubZero Constructors, Inc. Comments - Proposed Code Change 120_6(a)3D & Table 120_6-A-2
Efficiency
1 page(s)
| | CEC/Dockets | SubZero Constructors, Inc. |
| 269497 | 4/15/2026 |
SubZero Constructors, Inc. Comments - Proposed Code Change 120_6(a)5D
Efficiency
1 page(s)
| | CEC/Dockets | SubZero Constructors, Inc. |
| 269476 | 4/14/2026 |
CALSSA Comments on March 12, 2026 updates to Solar Heating for an Existing Pool and Spa
2 page(s)
| | CEC Docket Unit | Dara Yung |
| 269473 | 4/13/2026 |
Bradford White Corporation Comments - Energy Data Collection- Phase 3
3 page(s)
| | Commissioner Andrew McAllister, California Energy Commission | Bradford White Corporation |
| 269467 | 4/13/2026 |
George Cavinta Comments - CPSA & PHTA Comments on the “Solar Heating for an Existing Pool and Spa” CASE Proposal – 2028 Title 24, Part 6 Code Cycle
Efficiency
5 page(s)
| | Melissa Schellinger Gutiérrez and Sean Steffensen, Energy Solutions | George Cavinta |
| 269461 | 4/10/2026 |
Bruce V. Nelson Engineering, LLC Comments - 2025 Building Energy Efficiency Standards Table 120_6-A-2
Efficiency
7 page(s)
| | CEC/Docket Unit | Bruce V. Nelson Engineering, LLC |
| 269423 | 4/7/2026 |
Randy Johnson - Walmart Comments - California Title 24 - Heat Recovery Requirements
Facility Design
1 page(s)
| | CEC/Dockets | Randy Johnson - Walmart |
| 269404 | 4/2/2026 |
CA Statewide Utility Codes and Standards Enhancement Team Comments - Draft CASE Reports Posted for Public Comment
3 page(s)
| | CEC/Docket Unit | CA Statewide Utility Codes and Standards Enhancement Team |
| 269381 | 4/1/2026 |
CalEnergy Collin J. Weiner Comments - 2028 Code Change Proposal Memo - §110-12(c) Demand Responsive Lighting Controls
Efficiency
4 page(s)
| | CEC/Dockets | CalEnergy / Collin J. Weiner |
| 269370 | 3/31/2026 |
California Energy Alliance Comments - [CEA] Energy Monitoring
12 page(s)
| | CEC/Dockets | California Energy Alliance |
| 269331 | 3/26/2026 |
CHEERS Comments - Field Experts Proposed Measures - Rater Selfie Photo Verification
Efficiency
13 page(s)
| | CEC/Docket Unit | CHEERS |
| 269330 | 3/26/2026 |
CHEERS Comments - Field Experts Proposed Measures - Alternate Verification of Weigh-In Observation Through Rater-Verified Photo Documentation
Efficiency
20 page(s)
| | CEC/Docket Unit | CHEERS |
| 269262 | 3/20/2026 |
Joe Sanchez Comments - adiabatic gas coolers not only opportunity for efficiency
1 page(s)
| | CEC/Docket Unit | Joe Sanchez |
| 269260 | 3/20/2026 |
Joe Sanchez Comments - adjustable Vi is not always beneficial and horsepower is not discrete threshold
1 page(s)
| | CEC/Docket Unit | Joe Sanchez |
| 268715 | 2/19/2026 |
Luke Morton Comments - Energy Code Accounting Methodology and PV
1 page(s)
| | CEC/Docket Unit | Luke Morton |
| 268211 | 1/9/2026 |
California Solar & Storage Association Comments - CALSSA Comments on Solar Heating for an Existing Pool and Spa
2 page(s)
| | CEC/Docket Unit | California Solar & Storage Association |
| 268196 | 1/8/2026 |
Steve Barrow Comments - Opposition to Proposed Pool Heating Regulation
27 page(s)
| | CEC/Docket Unit | Steve Barrow |
| 268178 | 1/7/2026 |
NEMA High Performance Buildings Codes & Standards Review Committee Inputs to CASE Team
4 page(s)
| | CEC/Dockets | National Electrical Manufacturers Association |
| 268002 | 12/19/2025 |
CABEC Policy Committee Comments - Request to refine compliance options for Insulated Headers in Quality Insulation Installation (QII) verification procedures
6 page(s)
| | CEC/Docket Unit | CABEC Policy Committee |
| 267821 | 12/3/2025 |
Comments on CodeCycle Report Systemic Underestimation of AHJ Impacts from Title 24, Part 6 (42 pages)
Alternatives, Efficiency, Compliance
1 page(s)
| | CEC Docket Unit | Michael F Malinowski FAIA |
| 267719 | 11/24/2025 |
Travis Wade Comments - Peak Cooling Metric Revision
Compliance
29 page(s)
| | CEC/Docket Unit | Travis Wade |
| 267682 | 11/20/2025 |
CodeCycle-org Comments - Cross-posting -- Systemic Underestimation of AHJ Impacts from Title 24 Part 6
42 page(s)
| | CEC/Docket Unit | CodeCycle-org |
| 267173 | 11/12/2025 |
Power Flame Inc Comments - 25-BSTD-03
1 page(s)
| | CEC/Dockets | Power Flame Inc |
| 267121 | 11/10/2025 |
Mauro Donate Comments - 3% O2 on 5 MMBTUH Boilers
1 page(s)
| | CEC Docket Unit | Mauro Donate |
| 267006 | 11/4/2025 |
NOx CORRECTED TO 3% O2 for Boilers Over 5mil input
Compliance
1 page(s)
| | CEC Docket Unit | Steve Ocampo |
| 266958 | 10/31/2025 |
Philip Sondervan Comments - Low NOx cannot be at 3% O2
Greenhouse Gases
1 page(s)
| | CEC/Docket Unit | Philip Sondervan |
| 266935 | 10/30/2025 |
Mike Alzona Comments - Unrealistic Rule
1 page(s)
| | CEC/Docket Unit | Mike Alzona |
| 266912 | 10/29/2025 |
Greg Danenhauer Parker Boiler Comments - Boiler Rules
6 page(s)
| | CEC/Dockets | Greg Danenhauer/ Parker Boiler |
| 266909 | 10/29/2025 |
Greg Danenhauer Comments - Boiler Rules
7 page(s)
| | CEC/Dockets | Greg Danenhauer |
| 266813 | 10/24/2025 |
Daniel Robidoux Comments - Technology
Efficiency, Compliance
1 page(s)
| | CEC/Docket Unit | Daniel Robidoux |
| 266006 | 9/12/2025 |
Meg Waltner Comments - NRDC Comments on August 28th Title 24 2028 Energy Code Accounting Workshop
9 page(s)
| | CEC/Docket Unit | Meg Waltner |
| 265955 | 9/10/2025 |
Bob Raymer (CBIA, CAA, CBPA, and BOMA) Comments - Industry Coalition Comments on 2028 Energy Code Accounting Methodologies
Efficiency
5 page(s)
| | CEC/Docket Unit | Bob Raymer (CBIA, CAA, CBPA, and BOMA) |
| 265860 | 9/3/2025 |
Presentations from the 2028 Energy Code Accounting Workshop, August 28, 2025
This document includes all presentations from the August 28, 2025, workshop on the 2028 Energy Code accounting metrics.
A recording of this workshop can be found on the workshops event page at https://www.energy.ca.gov/event/workshop/2025-08/staff-workshop-energy-accounting-methodologies-2028-energy-code.
Links to all material related to the 2028 Energy Code, including updated metrics, can be found on the 2028 Energy Code page at https://www.energy.ca.gov/programs-and-topics/programs/building-energy-efficiency-standards/2028-building-energy-efficiency.
159 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 265696 | 8/19/2025 |
Metrics for Developing Building Energy Efficiency Standards - 2028 Energy Code Metrics Methodology and Results
This document describes the methodology and results of the proposed updates to the 2028 Energy Code metrics.
40 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 265693 | 8/19/2025 |
Proposed Updates to Equipment Power Densities and Building Schedules for the 2028 Energy Code
This document describes the proposed updates to equipment power densities and building schedules for the 2028 Energy Code.
83 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 265692 | 8/19/2025 |
Weather Data File Updates for the 2028 Energy Code
This document describes the proposed weather data file updates for the 2028 Energy Code.
28 page(s)
| | CEC / Docket Unit | California Energy Commission |
| 265691 | 8/19/2025 |
Proposed Updates to Building Prototypes for the 2028 Energy Code
Proposed updates to building prototypes for the 2028 Energy Code.
15 page(s)
| | CEC/ Docket Unit | California Energy Commission |
| 265222 | 8/4/2025 |
Notice of Staff Workshop on Energy Accounting Methodologies for the 2028 Energy Code
The California Energy Commission (CEC) will host a workshop focused on energy accounting methodologies as part of the CEC’s pre-rulemaking activities, which include research and gathering of information necessary to conduct a future formal rulemaking proceeding.
3 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 262908 | 5/2/2025 |
Memo to Open New Docket
2 page(s)
| | CEC/Docket Unit | California Energy Commission |