California Energy Code

Residential Title 24 Compliance

Residential projects in California — new homes, additions, alterations, and multifamily buildings — require Title 24 energy compliance documentation. Apex Grid produces CF1R compliance reports, coordinates with mechanical engineers on HVAC sizing, and resolves plan check comments.

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What This Covers

Residential Title 24 compliance applies to single-family homes, accessory dwelling units, multifamily buildings (up to three stories), and residential additions. The standards address insulation, windows, HVAC equipment, water heating, and lighting. Compliance is documented on CF1R forms submitted with building permits.

Single-family home Title 24 compliance reports
Multifamily residential energy compliance
Accessory dwelling unit (ADU) compliance
Building addition and alteration compliance
CF1R, CF2R, and CF3R documentation
Insulation, window, and envelope requirements
HVAC sizing and efficiency coordination
Water heating compliance
Solar-ready and EV-ready requirements
Plan check comment resolution

How Apex Grid Helps

Apex Grid produces Title 24 compliance documentation as part of a full MEP engineering package or as a standalone compliance service. Our engineers are familiar with California's compliance software (CBECC-Com and CBECC-Res), coordinate with the mechanical, electrical, and architectural design, and respond to plan-check comments on compliance issues.

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