CBECC uses EnergyPlus and California Simulation Engine (CSE) to perform simulations using a Simplified Geometry Method or Detailed Geometry Method with Sketchup and OpenStudio SketchUp Plugin for Detailed geometry input. Instructions and links for downloading the compliance software and the associated supporting software are listed below.
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DOWNLOAD/INSTALL CBECC 2025.2.0.1
Click here to download CBECC 2025.2.0.1
CBECC 2025.2.0 has been approved by the California Energy Commission and is usable for demonstrating performance compliance with the nonresidential, multifamily residential, and single-family residential provisions of the 2025 Energy Code.
Note: CBECC 2025.2.0 supports compliance for all building types subject to the 2025 Energy Code. Nonresidential, multifamily, and single family residential, are all supported by CBECC 2025.2.0. There is no separate CBECC-Res version for single-family residential.
Click here to view/download the CBECC 2025.2.0.1 Quick Start Guide