Title 24 Compliance

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IES VE Software is officially approved by the California Energy Commission and is authorized to provide an Alternative Calculation Method for the 2019 Building Energy Efficiency Standards in accordance with the California Code of Regulations: Title 24.

IES Title 24 logo

IES VE Software is the only Approved Title 24 tool that Integrates:

  • A THREE-model approach for Design & Compliance: 
    • (1) Design 
    • (2) Title 24 Proposed and (3) Title 24 Standard. 
  • Real 3D architecture
  • ASHRAE Loads Calculations for Mechanical Design
  • An energy model for Design, using flexible design inputs. 
  • Supports carbon neutrality by linking energy model results to the AIA 2030 Commitment (DDx)
Title 24 Diagram

Architecture Design

3D model allows for Passive Designs to meet the AIA 2030 Challenge: Solar shading, daylighting, natural ventilation.

Electrification & Decarbonization

High-performance constructions & lighting; High-performance constructions & lighting; Efficient HVAC & Heat Pumps, Solar PV & Battery Storage, etc. Efficient HVAC & Heat Pumps, Solar PV & Battery Storage, etc. 

APACHE

The best whole-building energy simulation engine in the world; integrated for ASHRAE Loads, and a graphical user-interface.

Download Software

Click here to download the latest version of the IESVE software. 

Online Training

Title 24 Compliance Modeling & Decarbonization with IESVE Software

Date: Wed, January 19th

Time: 9am - 4pm PT

What Our Customers Say

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I'm really enjoying every new IES update. I feel like you folks have a great sense of what the modeling community needs.

Frank Schwamborn

Verdical Group

Huge congrats IES Ltd! We are so excited to learn this great news! Game changer for Title 24 compliance modeling!

Allen Mei

Cyclone Energy Group

Got a question?

Contact our team to find out more about using the VE for Title 24 Compliance Modeling for Non-Residential Buildings in California.