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CBECC-Res Frequently Asked Questions

Here is some information from the Bwilcox site:


Download/Install CBECC-Res 2019 – For Compliance with the 2019 Standards

CBECC-Res 2019 can be used to show compliance with the performance approach of the 2019 California
Residential Building Energy Efficiency Standards, in effect for building permits filed on or after January 1, 2020.

    • CBECC-Res 2019.1.1 – November 26, 2019 Click link to download CBECC-Res 2019.1.1 (1574), which includes only corrections to
      internal HERS provider specifications. This version is required to successfully register some 2019
      projects with a HERS provider. CBECC-Res 2019.1.0 was approved by the California Energy Commission on
      May 15, 2019. A description of this release is located here.
    • CBECC-Res 2019.1.2 – February 26, 2020 Click link to download CBECC-Res 2019.1.2 that can also be used demonstrate compliance with the 2019 Building Energy Efficiency Standards.
      It includes additional capabilities for modeling central heat pump water heating systems (with limited configuration inputs that match the prescriptive compliance option) for multifamily buildings, a compliance option for variable capacity heat pumps, a new photovoltaic solar access shading input, an additional flexible installation option for photovoltaic systems, and several reporting updates.
      A description of this release is located here.

Please read the CBECC-Res 2019 Quick Start
for more information.

Please note: CBECC-Res 2019 can read RIBD files generated in CBECC-Res 2013 or CBECC-Res
2016 (backwards compatible), but CBECC-Res 2013 and CBECC-Res 2016 cannot read RIBD files
generated in CBECC-Res 2019 (not forwards compatible). If you are also using either 2013 or
2016 compliance software, be sure to install the programs in different directories.

Compliance and Registry Support

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