Commercial Title 24

Nonresidential projects are scoped by what the permit touches: lighting, mechanical or both. These pages cover each system, the business types that have their own rules, acceptance testing and the forms.

Commercial Lighting

Lighting power, controls, retrofits, outdoor lighting and signs.

• Commercial Lighting and Title 24
• Title 24 for Outdoor and Site Lighting
• What Are Title 24 Lighting Controls?
• Does Replacing Commercial Lighting Trigger Title 24?
• Title 24 Sign Lighting Requirements
• What a Title 24 Lighting Control Device Must Do

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Commercial HVAC

Rooftop units, heat pumps, economizers, ventilation, ducts and water heating.

• Commercial HVAC and Title 24
• Do Commercial HVAC Controls Have Title 24 Requirements?
• Commercial Service Water Heating Under Title 24
• Do Heat Pumps Affect Commercial Title 24 Compliance?
• Title 24 Economizer Requirements
• Does Replacing Commercial HVAC Trigger Title 24?

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Tenant Improvements

Lighting-only, mechanical-only and combined tenant improvements, remodels by business type and change of use.

• Title 24 for Commercial Tenant Improvements
• Does a Change of Use Trigger Title 24 in California?
• Is My Project an Alteration or New Construction?
• Title 24 for a Shell Building
• Do Walk-In Coolers Need Title 24?
• How Much Does a Commercial Title 24 Report Cost?

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Building Types

Offices, retail, restaurants, warehouses, medical and the other building types with their own treatment.

• Title 24 Requirements for Banks and Financial Institutions
• Title 24 Requirements for Retail Stores in California
• Title 24 Requirements for Office Buildings in California
• Title 24 Requirements for Schools and Educational Buildings
• Title 24 Requirements for Theaters and Cinemas
• Title 24 Requirements for Mixed-Use Buildings

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Envelope, Electrical and Processes

Roofs and envelope, power distribution and covered processes such as refrigeration.

• Commercial Title 24 Envelope Requirements
• Commercial Electrical Power Distribution and Title 24
• Title 24 Covered Process Requirements
• Commercial Solar PV and Battery Requirements
• Title 24 for a Commercial Building Addition
• Title 24 Cool Roof Requirements

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Acceptance Testing

What testing before final inspection involves, who performs it and commissioning.

• Title 24 Acceptance Testing
• When Does Title 24 Acceptance Testing Happen?
• What Is Title 24 Lighting Acceptance Testing?
• Title 24 Acceptance Testing by System
• When Is Mechanical Acceptance Testing Required Under Title 24?
• What Happens If Acceptance Testing Fails?

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NRCC, NRCI and NRCA Forms

The nonresidential certificates of compliance, installation and acceptance.

• What Is an NRCA Certificate of Acceptance?
• What Is an NRCC Form?
• What Is an NRCI Form?
• What Is an NRCV Form?
• What Is the NRCC-PRC Form?
• What Is the NRCI-PRC Form?

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