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Title 24, Part 6—organized in one place.
A comprehensive directory of official California Energy Commission codes, manuals, forms, ECC guidance, and technical tools. Each link opens the authoritative source so the current version remains easy to find.
Core code documents
The adopted standards and technical references behind 2025 Part 6 compliance.
2025 Energy Code hub
Code, reference appendices, manuals, forms, software, impact analysis, and supporting documents.
Restructured Title 24, Part 6
Information-only reorganization of the 2025 Energy Code for easier navigation.
2025 Reference Appendices
Adopted data, definitions, tests, and procedures referenced by Part 6.
Compliance manuals
Official instructional guidance for project teams and enforcement agencies.
Single-Family Residential Compliance Manual
Complete manual covering enforcement, envelope, HVAC, water heating, lighting, solar, performance, alterations, and electric readiness.
Individual chapters and appendices
Open only the chapter needed, including HVAC, alterations, compliance documents, climate zones, and verification appendices.
Multifamily and nonresidential manuals
Official CEC manuals for the other major occupancy types.
ECC field verification
Program rules, provider information, HVAC guidance, and verification requirements.
Energy Code Compliance Program
Current ECC program information and resources for the 2025 Energy Code.
Approved ECC Providers
CEC-approved providers, scopes, and registry capabilities.
2025 ECC Counter Sheet
Quick reference explaining when field verification and diagnostic testing is required.
Single-Family HVAC guidance
CEC answers about HVAC requirements and ECC-Rater verification.
Compliance forms
CF1R, CF2R, and CF3R libraries for compliance, installation, and verification.
2025 Single-Family forms
Prescriptive, registered, envelope, mechanical, lighting, plumbing, solar, and battery documents.
Mechanical CF2R and CF3R forms
Duct leakage, fan efficacy, airflow, refrigerant charge, equipment, ventilation, filters, and related measures.
Envelope, blower-door, and QII forms
Building leakage, air sealing, insulation installation, and existing-condition verification.
Nonresidential and high-rise forms
NRCC, NRCI, NRCA, and NRCV documents for applicable projects.
Software and tools
Approved compliance software, datasets, modeling rules, and technical assistance.
Approved 2025 compliance software
CEC-approved software by occupancy and project scope.
Energy Code Support Center
FAQs, fact sheets, training, presentations, videos, and the Energy Code Hotline.
Energy Code Ace
No-cost training, tools, and resources for California’s Energy Code.
Local ordinances exceeding Part 6
CEC resources for locally adopted standards that exceed statewide requirements.
Need project-specific help?
Documents explain the rule. We help verify the project.
Send the address, permit number, scope, and available compliance forms.
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