What is a Title 24? and When is it Required?
What Is Title 24 and When Is It Required?
If you're planning a new construction project, tenant improvement, building addition, or major renovation in California, you've probably heard the term "Title 24." Many property owners, architects, and contractors know it's required, but aren't always sure what it actually means or when it applies.
What Is Title 24?
Title 24 refers to the California Building Standards Code, specifically the energy efficiency requirements contained within Part 6 of the code. These regulations are designed to reduce energy consumption, improve building performance, and support California's long-term sustainability goals.
Title 24 establishes minimum energy efficiency standards for building systems such as:
- HVAC (Heating, Ventilation, and Air Conditioning)
- Lighting systems
- Building envelope components
- Water heating systems
- Electrical systems
- Solar and renewable energy requirements
- Indoor air quality and ventilation
The goal is to ensure buildings operate efficiently while maintaining occupant comfort and safety.
When Is Title 24 Required?
Title 24 compliance is typically required whenever construction permits are being obtained for projects that affect a building's energy performance.
Common situations where Title 24 documentation is required include:
New Construction
All new commercial and residential buildings in California must demonstrate compliance with Title 24 energy standards before permits can be issued.
Tenant Improvements
Many office, retail, restaurant, medical, and industrial tenant improvement projects require Title 24 calculations, especially when modifications are made to lighting, HVAC, or electrical systems.
Lighting Upgrades
Replacing or modifying lighting systems often triggers Title 24 requirements. This includes office remodels, warehouse upgrades, retail renovations, and other commercial improvements.
HVAC Replacements
Installing new rooftop units, split systems, heat pumps, or other HVAC equipment may require Title 24 documentation as part of the permitting process.
Building Additions
Expanding an existing building typically requires energy compliance documentation for the new conditioned space.
Major Renovations
Projects involving substantial alterations to mechanical, electrical, lighting, or building envelope systems may require Title 24 compliance review.
Why Is a Properly Done Title 24 Important?
Most California jurisdictions will not issue permits without the appropriate Title 24 documentation when required. Proper compliance helps:
- Obtain permits faster
- Avoid plan check comments and delays
- Reduce project risks
- Improve energy efficiency
- Lower long-term operating costs
- Meet California building code requirements
Submitting accurate Title 24 documentation early in the design process can help keep projects on schedule and prevent costly redesigns.
How Blueberry Engineering Can Help
At Blueberry Engineering, we provide Title 24 energy compliance services for commercial, industrial, multifamily, retail, restaurant, office, and tenant improvement projects throughout California.
Our team works closely with architects, contractors, developers, and building owners to prepare accurate Title 24 documentation that supports permit approval and project success.
Whether you're planning a new building, replacing HVAC equipment, upgrading lighting systems, or completing a tenant improvement project, we can help ensure your project meets California's energy efficiency requirements.
Contact Blueberry Engineering today to discuss your project and determine whether Title 24 compliance is required.