The National House Energy Rating System (NatHERS) is used to comply with the compulsory section 3.12 of the BCA Volume One for new residential buildings. BEAC uses the FirstRate 5 software to evaluate the thermal efficiency in line with the NatHERS requirements.
The proposed building in entered into the FirstRate5 modelling program along with all of the façade, shading and glazing properties. The result is a star rating from 0 to 10 stars.
Victoria currently requires a minimum of 6 stars for an individual house, or a minimum of 5 and average of 6 stars for an apartment building.