Green Star FAQs

For the purposes of the Waterway Protection credit in Green Star Buildings v1, 'whole site' is defined as the scope of the Green Star boundary. This includes areas beyond the building footprint if they are included to be in the Green Star boundary, but does not include areas beyond the Green Star boundary such as a broader precinct. Should the...

Yes, the online NABERS Reverse Calculator can be used to establish a baseline 'Benchmarking Emissions Intensity at 1 Stars NABERS Energy' figure for the 15A NABERS / NABERSNZ Energy pathway under Credit 15 Greenhouse Gas Emissions from Green Star - Performance v1.2. A PDF download of the calculator must be provided as part of the submission. Further information on the online...

Yes, Class 2 projects may use the Reference building instead of the Residential pathway under the Energy Use credit from Green Star Buildings v1. Please refer to the Energy Use Calculation Guide for further guidance on how to model a Class 2 reference building. 

Initial refrigerant charge refers to the quantity of refrigerant added to a building system or domestic appliance upon installation. It does not include any refrigerant top up during operation due to leakage.

Yes. GBCA clarifies that Lighting Comfort criteria in Green Star Buildings v1 applies to all regularly occupied spaces within the site boundary of the project for both internal and external lighting. Internal regularly occupied areas are to be defined per the Submission Guidelines (p88). External regularly occupied areas are those that are regularly occupied when external lighting is required e.g....