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.

Latest news

Release of FR5 v5.5.3a (3.22)

by FR5 | Oct 06, 2023
FirstRate5 v5.5.3a (3.22) is now available as a free download from Sustainability Victoria (SV) recommends that all users who have downloaded FR5 v5.5.3 (3.22) upgrade to this version.

FR5 v5.5.3a (3.22) contains the following two bugs fixes. 

  • Fixed the issue of wall connections not updating. In FR5 v5.5.3 (3.22), when a user changed the 'As drawn' selection to an alternative selection, the selection was not being stored. 
  • Fixed the issue of FR5 v5.5.3 incorrectly using NCC 2019 climate files during the calculation process when a particular workflow was followed. This issue was occurring when a user had multiple copies of FR5 open and was first calculating with an older version of FR5 and then immediately switching to FR5 v5.5.3 (3.22).

For more information on FirstRate5 visit, submit a query through the online contact form or email [email protected].

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