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 FirstRate5 v5.2.8 (3.13)

by FirstRate5 | Apr 10, 2018

FirstRate5 v5.2.​​8 (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: 1) updated AFRC custom windows and roof windows library, and; 2) and updates to support Java 9 runtime environment.

Transition Arrangements for FR5 v5.2.7 (3.1.3)

Until 10 May 2018 (5pm) a transition period will be in place. During this period both v5.2.7 (3.1.3) and v5.2.8 (3.1.3) files will automatically calculate on the FirstRate5 website.

After ​10 May 2018 (5pm) v5.2.8 (3.13) files will continue to automatically calculate on the FirstRate5 website, however v5.2.7 (3.13) files will calculate by special request only.

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

Note: It is the user’s responsibility to ensure certificates are produced with the appropriate version. If a user chooses to inappropriately use an earlier version of FR5 to produce a certificate, they run the risk that a Building Surveyor will reject the certificate leading to further certificate costs.

Note: Installation of minor releases involving a letter change, eg,  v5.2.2b to v5.2.2c, will by default overwrite the previous version, while major releases involving a number change, eg, v5.2.4 (3.13) to v5.2.5 (3.13), will by default install beside older versions.

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