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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 transition period for FR5 v5.3.2(b) to 30 April 2025

by Sustainability Victoria Energy Software Team | Jan 30, 2025

Sustainability Victoria (SV) has extended the date v5.3.2b (3.21) files will continue to automatically calculate on the FirstRate5 website to Wednesday 30 April 2025 (5pm). After this date, v5.3.2.b (3.21) files will calculate by special request only.

Please note that if directed by the NatHERS Administrator, SV may be required to bring forward the transition date for FR5 v5.3.2b (3.21). In this circumstance, SV will give FirstRate5 users as much notice as possible.

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