FR5 Software

FirstRate5® house energy rating software

FirstRate5® is an easy-to-use interactive tool with a graphic user interface that enables designers and thermal performance assessors to generate energy ratings for a home by tracing over floor plans. The software integrates the AccuRate calculation engine to estimate the annual heating and cooling energy and can be used to rate an existing design or as an interactive tool to optimise the design beyond compliance.
  • Release of FirstRate5 v5.2.10 Videos

    Dec 20, 2018
    Sustainability Victoria has released a series of video tutorials explaining FR5 v5.2.10’s new software features.
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  • Release of FR5 v5.2.10a (3.13)

    Dec 14, 2018
    FirstRate5 v5.2.10a (3.13) is now available as a free download from This version is a minor bug fix release and Sustainability Victoria (SV) recommends that all users upgrade to this version. This bug fix version addresses the issue related to the Raked Wall Helper that could result in corrupted project files. The software bug was triggered if a user edited the raked wall properties for multiple walls at the same time on the Plan tab or Zoning tab.
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  • Software bug identified in FR5 v5.2.10 (3.13) - Raked Wall Helper

    Dec 12, 2018
    Sustainability Victoria (SV) has identified a software bug in FirstRate5 v5.2.10 (3.13) related to the Raked Wall Helper. SV is currently investigating the software bug and will release a bug fix version of FR5 v5.2.10 (3.13) in the coming days. In the meantime, users can continue to use FR5 v5.2.10 (3.1.3) to create project files as long as they do NOT use the Raked Wall Helper.
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  • Release of FirstRate5 v5.2.10 (3.13)

    Dec 07, 2018
    FirstRate5 v5.2.10 (3.13) is now available as a free download from Full release details can be found in the software release notes. This new version contains a number of new major features, smaller enhancements and bug fixes.
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  • Changes to Website's Terms of Use

    Aug 10, 2018
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