Downloads & references
Resources
Forms, software, and reference material for ATTs, ATEs, and anyone working with California's Title 24 Energy Code.
Lighting Controls Glossary
Types, terms & methods explained — occupancy sensors, daylight harvesting, scheduling and more.
Acceptance Testing Software
NLCAA's CEC-approved software runs the Title 24 calculations and keeps all your testing documentation in one place.
CEC 2028 Energy Codes (2)
CEC 2025 Energy Codes (4)
CEC 2022 Energy Codes (4)
CEC 2019 Energy Codes (4)
Energy Code Ace (5)
CEC 2016 Energy Codes (4)
Other Resources (8)
Support (4)
- NLCAA Code/Testing Questions Email
- CEC Code Hotline Email
- CEC Code Hotline(800) 772-3300
- Title 20 Hotline(916) 651-7100
Can't find what you need?
Our team can point you to the right form or document.