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

by FR5 | Dec 20, 2018

Sustainability Victoria (SV) has released a series of video tutorials explaining Firstrate5 v5.2.10’s new software features.

A link to each new video is shown below. SV recommends users to view the new video tutorials in the following order: 

  1. New Features Overview
  2. Load backgrounds
  3. Dimension Tool and Scaling
  4. Snappable Points
  5. Switch Backgrounds
  6. Background Alignment
  7. Background Manager
  8. Floor Builder - Overview
  9. Floor Builder Example – Construction Library Tab
  10. Floor Area Tolerance

It is also recommended to review the updated FR5 Manual as well as the two new Guidance Notes.
See Guidance Note 3 and Guidance Note 4 on the FR5 website under FAQs.  


Current versions of FirstRate5 & transition arrangements for FR5 v5.2.9 (3.13)


Until 6 March 2019
 (5pm) a transition period will be in place. During this period both v5.2.9 (3.13) and v5.2.10 (3.13) files will automatically calculate on the FirstRate5 website. Please note the following:                                               

  • All project files created using a version of FR5 v5.2.9 (3.13) will be calculated using the v5.2.9 calculation engine when uploaded to the FirstRate5 website.
  • All project files created using a version of FR5 v5.2.10 (3.13)  (i.e. v5.2.10 or v5.2.10a) will be calculated using the v5.2.10a calculation engine when uploaded to the FirstRate5 website.

After 6 March 2019 (5pm) v5.2.10 (3.13) files (i.e. v5.2.10 or v5.2.10a) will continue to automatically calculate on the FirstRate5 website, however v5.2.9 (3.13) files will calculate by special request only.