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.
  • Problem with Custom Windows in FirstRate5 v5.2.4 (3.13) – bug fix version to be released

    Nov 16, 2016
    It has come to Sustainability Victoria attention that some assessors are experiencing problems with custom windows when upgrading project files completed in previous versions of the software to FirstRate5 v5.2.4 (3.1.3). The latest version of software is not recognising some custom windows and assessors are having to manually respecify windows after opening existing project files in FirstRate5 v5.2.4 (3.13). Sustainability Victoria is currently rectifying the problem and a bug fix version will be released in the coming days.
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  • Release of FirstRate5 v5.2.4 (3.13)

    Nov 10, 2016
    FirstRate5 v5.2.4 (3.13) is now available as a free download from SV recommends that all users upgrade to this version. This version includes the following changes: updated AFRC custom windows and roof windows library; updated postcode and climate zone data.
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  • New Help Desk System for FirstRate5 Technical Support Requests

    Nov 09, 2016
    Sustainability Victoria is introducing a new help desk system to manage technical support requests submitted through the online technical support contact form and sent by email to As of 12:00pm on Thursday 10 November 2016, all FirstRate5 technical support requests received will be managed through Freshdesk. By submitting a request for technical support through the online technical support contact form or by sending an email to, users agree to the terms of Freshdesk’s Privacy Policy.
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  • Green Roof in the City wins Premier's Sustainability Award

    Nov 04, 2016
    St Kilda East group known as '38 Westbury Street' has won the Built Environment category in the 2016 Premier's Sustainability Awards for their Green Roof in the City program.
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  • 2014/15 FirstRate5 Data Report Released

    Oct 25, 2016
    Sustainability Victoria (SV) is pleased to release the FirstRate5 data analysis report. The report presents the results of an analysis of Home Energy Ratings certified for the 2014/15 financial year and will form the baseline for future reports. The analysis approach is based on questions developed by SV following discussion with industry and government in Victoria.
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