| 271551 | 7/17/2026 |
California Energy Alliance Comments - [CEA] for Multilevel Lighting Controls on the Indoor Lighting Controls CASE Report
5 page(s)
| | CEC/Docket Unit | California Energy Alliance |
| 271550 | 7/17/2026 |
California Energy Alliance Comments - [CEA] for Nonresidential HVAC Fault Detection and Diagnostics CASE Report
2 page(s)
| | CEC/Docket Unit | California Energy Alliance |
| 271548 | 7/17/2026 |
CALCTP_2028_Proposal_AuditStandards_071726
Lighting Controls ATT and ATE Equitable Audit Process
Compliance
4 page(s)
| | Joe Loyer | CALCTP |
| 271547 | 7/17/2026 |
Gabel Energy Comments - Gabel Energy's Comments on 2028 Presentation– Nonresidential PV & Battery Updates
2 page(s)
| | CEC/Docket Unit | Gabel Energy |
| 271546 | 7/17/2026 |
Gabel Energy Comments - Gabel Energy's Comments on 2028 Case Presentation – Heat Pump Alteration Requirements to Large Single-zone RTUs
3 page(s)
| | CEC/Docket Unit | Gabel Energy |
| 271545 | 7/17/2026 |
Gabel Energy Comments - Gabel Energy's Comments on 2028 Presentation - Existing Building Performance HVAC Upgrades & Commissioning
Compliance
4 page(s)
| | CEC/Docket Unit | Gabel Energy |
| 271542 | 7/17/2026 |
Neil Bulger Comments - Comments on Proposed Section 1201(d)6, Modulating DOAS
6 page(s)
| | CEC/Docket Unit | Neil Bulger |
| 271541 | 7/17/2026 |
Nicholas O'Neil Comments - Nicholas O'Neil, Energy 350 - Modulating DOAS Requirements Opposition
Efficiency
6 page(s)
| | CEC/Docket Unit | Nicholas O'Neil |
| 271540 | 7/17/2026 |
Enhancements To Nonresidential Mechanical System Acceptance Language Final CASE Team Comment Letter
Final CASE Team Comment Letter - Editorial Enhancements To Nonresidential Mechanical System Acceptance Language
Efficiency
8 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271539 | 7/17/2026 |
Large Diameter Ceiling Fans Final CASE Team Comment Letter
Final CASE Team Comment Letter - Large Diameter Ceiling Fans
Efficiency
7 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271538 | 7/17/2026 |
HVAC Prescriptive Transfer Air Modifications Final CASE Team Comment Letter
Final CASE Team Comment Letter - Editorial Prescriptive Transfer Air Modifications
Efficiency
4 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271537 | 7/17/2026 |
HVAC Return Plenums Final CASE Team Comment Letter
Final CASE Team Comment Letter - Summarizing IAPMO Smart Return Plum Proposal and Resolution
Efficiency
7 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271536 | 7/17/2026 |
Definitions Pertaining to the Data Center Efficiency Improvements Measures Final CASE Team Comment Letter
Final CASE Team Comment Letter - Comments On The Definitions Pertaining To The 2028 Data Center Efficiency Improvements Measures
Efficiency
11 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271535 | 7/17/2026 |
Recommendation to Simplify Daylight Responsive Control Acceptance Testing Final CASE Team Comment Letter
Final CASE Team Comment Letter - Recommendation To Simplify Daylight Responsive Control Acceptance Testing
Efficiency
12 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271534 | 7/17/2026 |
Improvements to Lighting Acceptance Testing for Luminaire Level Lighting Controls Final CASE Team Comment Letter
Final CASE Team Comment Letter - Improvements To Lighting Acceptance Testing For Luminaire Level Lighting Controls
Efficiency
13 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271533 | 7/17/2026 |
Duane Jonlin Comments - Controlled Environment Horticulture - Support
Facility Design
1 page(s)
| | CEC/Docket Unit | Duane Jonlin |
| 271532 | 7/17/2026 |
Dara Yung Comments - CALSSA Response to the 2028 Energy Code new sizing approach for non-residential PV and BESS Question for Stakeholders
6 page(s)
| | CEC/Docket Unit | Dara Yung |
| 271531 | 7/17/2026 |
Ian Atkins Comments - Ian Atkins Comments on Final CASE Report
Efficiency
8 page(s)
| | CEC/Docket Unit | Ian Atkins |
| 271530 | 7/17/2026 |
Ian Atkins Comments - Ian Atkins Comments on Final CASE Report
Efficiency
8 page(s)
| | CEC/Docket Unit | Ian Atkins |
| 271525 | 7/17/2026 |
WestLight Energy and Silicon Valley Clean Energy Comments - WestLight Energy and Silicon Valley Clean Energy Comments on 2028 Energy Code Pre-Rulemaking
5 page(s)
| | CEC/Docket Unit | WestLight Energy and Silicon Valley Clean Energy |
| 271524 | 7/17/2026 |
Western Propane Gas Association Comments - WPGA Comments on 2028 Energy Code Pre-Rulemaking
3 page(s)
| | CEC/Docket Unit | Western Propane Gas Association |
| 271522 | 7/17/2026 |
Thomas Culp Comments - NGA GICC AEC comments on nonresidential fenestration CASE report
Efficiency
3 page(s)
| | CEC/Docket Unit | Thomas Culp |
| 271521 | 7/17/2026 |
Charlie Stephens Comments - Modulating DOAS Requirements Comments
Efficiency
3 page(s)
| | CEC/Docket Unit | Charlie Stephens |
| 271516 | 7/17/2026 |
George Cavinta Comments - CPSA & PHTA Comments on the Final CASE Report – Solar Heating for an Existing Pool and Spa (2028 Title 24 Building Energy Effici
Air Quality
7 page(s)
| | CEC/Docket Unit | George Cavinta |
| 271515 | 7/17/2026 |
Merrian Borgeson, NRDC Comments - NRDC Comments on June 23 Workshop and CASE Reports
Efficiency
6 page(s)
| | CEC/Docket Unit | Merrian Borgeson, NRDC |
| 271513 | 7/17/2026 |
Fenestration & Glazing Industry Alliance Comments - Comments on Final CASE Report - Nonresidential Fenestration
6 page(s)
| | CEC/Docket Unit | Fenestration & Glazing Industry Alliance |
| 271501 | 7/16/2026 |
Chip Seidel Comments - Recovered Heat For Decoupled Systems
Efficiency
1 page(s)
| | CEC Docket Unit | Chip Seidel |
| 271500 | 7/16/2026 |
Steven Keith Winstead Comments - NEMI Comments on 2028 Pre-Rulemaking - Audit, ATSR, ATT Commissioning, and ATT Field Verification
Compliance
10 page(s)
| | CEC/Docket Unit | Steven Keith Winstead |
| 271460 | 7/15/2026 |
Opposition to Proposed Pool Heating Regulation 25-BSTD-03
The undersigned organizations representing aquatics programs, public health advocates, swim instruction providers, pool operators, nonprofit aquatic centers, and community recreation providers throughout California and the nation, write jointly and in strong opposition to the California Energy Commission's (CEC) proposed regulation that would require solar pool heating systems as a condition of operating or permitting public swimming pools.
Public Health, Air Quality, Efficiency
10 page(s)
| | David Hochschild, Chair CEC, Siva Gunda, Andrew McAllister, Noemi Gallardo, Nancy Skinner | Drowning Prevention Foundation under nonprofit umbrella of California Coalition for Children's Safety and Health |
| 271421 | 7/14/2026 |
Performance Credit for Central HPWH Demand Management Systems Final CASE Team Comment Letter
Final CASE Team Comment Letter - New Performance Credit For Central HPWH Demand Management Systems In Nonresidential And Multifamily Buildings
Efficiency
14 page(s)
| | CEC/Dockets | California Energy Commission |
| 271419 | 7/14/2026 |
Update Language in JA13 Basic Control Update Final CASE Team Comment Letter
Final CASE Team Comment Letter - Updated Language In JA13 Basic Control Credit - Nonresidential And Multifamily Alternative Calculation Method Reference Manual
Efficiency
8 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271400 | 7/13/2026 |
Lisa Zarda Comments - Opposition to Proposed Pool Heating Regulation
Greenhouse Gases
5 page(s)
| | CEC/Docket Unit | Lisa Zarda |
| 271376 | 7/10/2026 |
NEMA Comments 2028 Energy Code Pre-Rulemaking
1 page(s)
| | CEC/Docket Unit | National Electrical Manufacturers Association |
| 271350 | 7/9/2026 |
Emily Porcari Comments - ASHRAE Letter on Docket 25-BSTD-03, 2028 Energy Code Pre-Rulemaking
3 page(s)
| | CEC/Docket Unit | Emily Porcari |
| 271131 | 7/1/2026 |
Controlled Environment Horticulture Greenhouse Envelope Alternative Final CASE Team Comment Letter
Final CASE Team Comment Letter - Additional Compliance Option For Greenhouse Envelope And Coverings.
Efficiency
51 page(s)
| | CEC/Dockets | California Energy Commission |
| 271045 | 6/26/2026 |
Presentations - June 24, 2026 (Day 2) - 2028 Energy Code Staff Pre-Rulemaking Workshop
TN270995 is superseded by TN271045. Presentations from the June 24, 2026, 2028 Energy Code staff pre-rulemaking workshop.
167 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271043 | 6/26/2026 |
2028 California Energy Code Measure Proposal – Nonresidential Buildings Photovoltaic and Battery Energy Storage System
Proposed 2028 Energy Code updates to the Photovoltaic and Battery Energy Storage System requirements for Nonresidential Buildings.
Efficiency
42 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271012 | 6/25/2026 |
Covered Process Refrigeration Final CASE Team Comment Letter
Final CASE Team Comment Letter - Covered Process Refrigeration.
Efficiency
66 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271011 | 6/25/2026 |
Process Boilers Stack Oxygen Concentration Final CASE Team Comment Letter
Final CASE Team Comment Letter - Process Boilers: Stack Oxygen Concentration.
Efficiency
34 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271010 | 6/25/2026 |
HVAC - 300 Ton ACC Limit for Data Centers Final CASE Team Comment Letter
Final CASE Team Comment Letter - Summary of Air-Cooled Chiller (ACC) Limitation Analysis in the Cooling Towers CASE Study from the 2025 Energy Code cycle.
Efficiency
8 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 271001 | 6/25/2026 |
Presentations - June 25, 2026 (Day 3) - 2028 Energy Code Staff Pre-Rulemaking Workshop
Presentations from the June 25, 2026, 2028 Energy Code staff pre-rulemaking workshop.
Efficiency
97 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270995 | 6/25/2026 |
Presentations - June 24, 2026 (Day 2) - 2028 Energy Code Staff Pre-Rulemaking Workshop
Presentations from the June 24, 2026, 2028 Energy Code staff pre-rulemaking workshop.
Efficiency
167 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270994 | 6/25/2026 |
Presentations - June 23, 2026 (Day 1) - 2028 Energy Code Staff Pre-Rulemaking Workshop
Presentations from the June 23, 2026, 2028 Energy Code staff pre-rulemaking workshop.
Efficiency
120 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270968 | 6/24/2026 |
National Elevator Industry, Inc. Comments - Elevators - Existing equipment exception
Efficiency, Compliance
1 page(s)
| | CEC/Dockets | National Elevator Industry, Inc. |
| 270967 | 6/24/2026 |
National Elevator Industry, Inc. Comments - Elevators - Lighting efficiency adjustment
1 page(s)
| | CEC/Dockets | National Elevator Industry, Inc. |
| 270966 | 6/24/2026 |
National Elevator Industry, Inc. Comments - Elevators - air purification system allowance
Efficiency
2 page(s)
| | CEC/Dockets | National Elevator Industry, Inc. |
| 270965 | 6/24/2026 |
National Elevator Industry, Inc. Comments - Elevators - 15-minute shut-off adjustment
Efficiency
2 page(s)
| | CEC/Dockets | National Elevator Industry, Inc. |
| 270915 | 6/22/2026 |
Opposition to Proposed Pool Heating Regulation CEC Docket Number 25-BSTD-03 Project Title 2028 Energy Code Pre-Rulemaking
Solar and Heat pump requirements can not meet the temperature requirements for swim lesson pools, and the costs are prohibitive for public and private swim providers, when there would be no decarbonization savings.
Air Quality
7 page(s)
| | David Hochschild, Chair CEC, Siva Gunda, Andrew McAllister, Noemi Gallardo, Nancy Skinner | Drowning Prevention Foundation under nonprofit umbrella of California Coalition for Children's Safety and Health |
| 270895 | 6/22/2026 |
California Association of Building Energy Consultants (CABEC) Comments - Recognition of CABEC Certified Energy Analysts (CEAs) as Qualified Design Reviewers under Section 1208
3 page(s)
| | CEC Commissioners and Staff | California Association of Building Energy Consultants (CABEC) |
| 270872 | 6/19/2026 |
Colmac Coil Manufacturing, Inc. Comments - Questions Regarding Single-Manufacturer Compliance Under AHRI-420
Compliance
1 page(s)
| | CEC/Dockets | Colmac Coil Manufacturing, Inc. |
| 270870 | 6/19/2026 |
Aquatherm Industries, Inc. Comments - Support for Solar Thermal Pool Heating and Comments on High-Efficiency Gas Heater Compliance Path
Greenhouse Gases, Alternatives, Efficiency
5 page(s)
| | CEC/Docket Unit | Aquatherm Industries, Inc. |
| 270839 | 6/18/2026 |
Bob Yapp Comments - Comments Regarding Annual Reporting Format – Permit Number and Address Fields Should Be Required
2 page(s)
| | CEC/Docket Unit | Bob Yapp |
| 270775 | 6/17/2026 |
Nonresidential Water Heating Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Nonresidential Water Heating Final CASE Report
233 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270774 | 6/17/2026 |
Nonresidential HVAC Fault Detection and Diagnostics Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Nonresidential HVAC Fault Detection and Diagnostics Final CASE Report
104 page(s)
| | CEC/Dockets | California Energy Commission |
| 270773 | 6/17/2026 |
Nonresidential Hydronic Heat Pump Requirements Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Updates to Nonresidential Hydronic Heat Pump Requirements Final CASE Report
157 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270772 | 6/17/2026 |
Nonresidential Fenestration Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Nonresidential Fenestration Final CASE Report
143 page(s)
| | CEC/Dockets | California Energy Commission |
| 270771 | 6/17/2026 |
Nonresidential Heat Pump Water Heater Ventilation Clean-up Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Nonresidential Heat Pump Water Heater Ventilation Clean-Up Final CASE Report
157 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270770 | 6/17/2026 |
Process Boilers Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Process Boilers Final CASE Report
162 page(s)
| | CEC/Dockets | California Energy Commission |
| 270769 | 6/17/2026 |
Process Steam Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Process Steam Final CASE Report
142 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270768 | 6/17/2026 |
Solar Pool and Spa Heating Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Swimming Pool and Spa Heating Final CASE Report
103 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270767 | 6/17/2026 |
Indoor Lighting Controls Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Indoor Lighting Controls Final CASE Report
317 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270766 | 6/17/2026 |
Indoor Lighting Power Density Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Indoor Lighting Power Density Final CASE Report
285 page(s)
| | CEC/Dockets | California Energy Commission |
| 270765 | 6/17/2026 |
Controlled Environment Horticulture Final CASE Report
CA Statewide Utility Codes and Standards Enhancement (CASE) Team Controlled Environment Horticulture Final CASE Report
365 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270764 | 6/17/2026 |
Compressed Air Dryers Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Compressed Air Dryers Final CASE Report
100 page(s)
| | CEC/Dockets | California Energy Commission |
| 270763 | 6/17/2026 |
Data Centers Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Data Centers Efficiency Improvements Final CASE Report
242 page(s)
| | CEC/Docket Unit | California Energy Commission |
| 270762 | 6/17/2026 |
Energy Recovery for Traction Elevators Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Energy Recovery for Traction Elevators Final CASE Report
166 page(s)
| | CEC/Dockets | California Energy Commission |
| 270761 | 6/17/2026 |
Healthcare Exceptions Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Healthcare Exceptions Final CASE Report
236 page(s)
| | CEC/Dockets | California Energy Commission |
| 270760 | 6/17/2026 |
HVAC Air Distribution Final CASE Report
CA Statewide Codes and Standards Enhancement (CASE) Team Air Distribution Final CASE Report
176 page(s)
| | CEC/Dockets | California Energy Commission |
| 270696 | 6/17/2026 |
Agenda for June 23, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code
Agenda for June 23, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code on nonresidential construction forecast, updates to nonresidential solar (PV) and battery energy storage systems (BESS) requirements, nonresidential existing building performance – HVAC upgrades and building commissioning, and nonresidential existing building alterations – single zone heat pump rooftop units.
1 page(s)
| | CEC/Dockets | California Energy Commission |
| 270695 | 6/17/2026 |
Agenda for June 25, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code
Agenda for June 25, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code on compliance forum proposals: (1) clarification of automatic demand response, (2) alternative to weigh-in, (3) rater photo verification, (4) HVAC fault detection and diagnostics, (5) revisions to quality assurance; updates to Acceptance Test Technician Certification Provider (ATTCP) program requirements, and commissioning with Acceptance Test Technician (ATT).
1 page(s)
| | CEC/Dockets | California Energy Commission |
| 270694 | 6/17/2026 |
Agenda for June 24, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code
Agenda for June 24, 2026, Staff Pre-Rulemaking Workshop for the 2028 Energy Code on data centers, covered process refrigeration, nonresidential HVAC fault detection and diagnostics (FDD) and air distribution, nonresidential fenestration improvements, nonresidential indoor lighting power density and controls, controlled environment horticulture, and solar pool heating for existing nonresidential buildings.
1 page(s)
| | CEC/Dockets | California Energy Commission |
| 270685 | 6/17/2026 |
2028 California Energy Code Measure Proposal – Existing Building Alterations Large Single Zone Heat Pump Rooftop Units
Proposed 2028 Energy Code change which would require alteration projects of large single zone rooftop units to use single zone heat pumps, or to use gas furnace RTUs installed with additional efficiency measures in retail and sit-down restaurants built prior to 1997, with some exceptions.
77 page(s)
| | | California Energy Commission |
| 270684 | 6/17/2026 |
2028 California Energy Code Measure Proposal – Existing Building Performance HVAC Upgrades and Building Commissioning
Proposed 2028 Energy Code change which would expand requirements for direct digital controls in existing space-conditioning systems and require existing building commissioning when existing space-conditioning system are replaced.
82 page(s)
| | | California Energy Commission |
| 270683 | 6/17/2026 |
Nonresidential Buildings Construction Forecasts for the 2028 Energy Code Cycle
Proposed updates to the nonresidential buildings construction forecast for the 2028 Energy Code.
18 page(s)
| | | California Energy Commission |
| 270680 | 6/17/2026 |
ATT Commissioning
5 page(s)
| | CEC/Dockets | California Energy Commission |
| 270679 | 6/17/2026 |
Update to ATTCP Requirements
15 page(s)
| | CEC/Dockets | California Energy Commission |
| 270659 | 6/17/2026 |
TREVOR HEGG Comments - Title 24 Evaporator Specific Efficiencies and AHRI Standard 420
Efficiency, Facility Design, Compliance
1 page(s)
| | CEC/Dockets | TREVOR HEGG |
| 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 |
| | |
Gabel Energy Comments - Gabel Energy's Comments on 2028 Presentation– 2028 Code Compliance Complexity Considering AB-130
| | | Gabel Energy |
| | |
Marina Blanco Comments - Gabel Energy's Comments on 2028 Presentation– Sampling and Install Certificate Updates
| | | Marina Blanco |
| | |
Louis Starr Comments - Comments on Modulating DOAS Title 24 2028 Energy Code CEC June 24 DOAS Questions
Efficiency
| | | Louis Starr |