2013 Building Energy Efficiency Standards
California's Building Energy Efficiency Standards are updated on an approximate three-year cycle. The 2013 Standards improve upon the 2008 Standards for new construction of, and additions and alterations to, residential and nonresidential buildings. The 2013 Standards went into effect July 1, 2014.
Energy Standards Documents
Building Standards & Appendices
- 2013 Building Energy Efficiency Standards for Residential and Nonresidential Buildings - Revised
Posted November 25, 2013. (PDF file, 263 pages, 1.9 mb) - 2013 Reference Appendices. Revised
Posted June 30, 2014. (PDF file, 476 pages, 4.7 mb)
Compliance Manuals & Forms
Worksheets
- Open and Closed Circuit Cooling Towers - Maximum Achievable Cycles Calculator
Posted June 9, 2014 (Excel file) - Solar Reflectance Index Calculator (SRI)
Posted June 30, 2014 - Ventilation Worksheet
Posted October 1, 2015 (Excel file, macro-enabled) - 2013 Title 24 Solar Water Heating Calculation for built up system
Compliance Software & Alternative Calculation Methods
Approved Compliance Modeling Software
Residential Manuals
- Alternative Calculation Method (ACM) - 2013 Residential Approval Manual. Revised
(PDF file, 14 pages, 594 kb) - Alternative Calculation Method (ACM) 2013 Residential Reference Manual. Revised September 2016
(PDF file, 310 pages, 5 mb)
Nonresidential Manuals
- Alternative Calculation Method (ACM) - 2013 Nonresidential Approval Manual. Revised
(PDF file, 14 pages, 336 kb) - Alternative Calculation Method (ACM) 2013 Nonresidential Reference Manual. Revised
(PDF file, 282 pages, 2.65 MB)
Certifications & Approvals
- Acceptance Test Technician Certification Program
- Home Energy Rating System Program
- Requirements for Manufacturer Certified Equipment, Products and Devices
- Approved Alternative Construction Assemblies
- Local Ordinances Exceeding the 2013 Building Energy Efficiency Standards
Supporting Content
- 2013 ACM Supporting Content (weather data, appendices)
- Request for Public Input on the Implementation of 2013 Building Energy Efficiency Standards is now available on our EnergyArchive website.
- 2013 HVAC Changeout
- Summary of Major Changes from 2008
- 2013 Standards FAQs are now available on our EnergyArchive website.
- 2013 Standards Infographics are now available on our EnergyArchive website.
- Training Resources
- Energy Code Ace
Compliance Forms
Reference Documents
- Rulemaking materials are now available on our EnergyArchive website.
- Pre-Rulemaking (on EnergyArchive)
- Documents Relied Upon (on EnergyArchive)
- 2013 Standards Related Documents
Including marked versions of the 2013 Standards, Compliance Manuals, and ACM Manuals, Workshops, Rulemakings, and Pre-Rulemakings
