Use our specialised reverse calculating spreadsheets to find out the maximum amounts of energy and water your building can use to achieve a certain star rating.
This is useful if you are setting official or unofficial star rating performance targets for your building.
Reverse calculations are available for:
Results from the Calculators are for your information only, and cannot be reported or promoted.
To promote or disclose an energy rating target, you must have a NABERS Commitment Agreement in place.
Once you have the energy or water usage amount required for your target rating, speak to a sustainability expert or your Accredited Assessor to plan how to optimise your usage.
NABERS is a national initiative managed by the Office of Environment and Heritage on behalf of the Federal, State and Territory governments of Australia.
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