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

Extension of v5.3.2b Automatic Calculation on FR5 Website

by Sustainability Victoria Energy Software Team | Apr 29, 2025
Sustainability Victoria (SV) has indefinitely extended the date v5.3.2b (3.21) files will automatically calculate on the FR5 website.

SV will notify users about the date v5.3.2.b (3.21) files will transition to calculation by special request after the NatHERS Administrator has confirmed the NCC 2022 transition arrangements. SV will make every effort to give FR5 users as much notice as possible.

If you have any questions please submit a query through the online contact form or email [email protected].
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