This page focuses on troubleshooting issues relating to regulatory home energy assessments for NCC 2022. This information is to help assessors better understand the updated energy efficiency requirements including the addition of the new Whole of Home rating, and the increase to a 7-star minimum thermal rating. 

• NCC 2022 – Troubleshooting Q&As (last updated 25 September 2024).   

If you can't find the answer to your question here, please see: 

• The Assessor Toolkit page - a range of useful links and documents to support assessors.
• The Assessor Handbook - a step-by-step guide to a NatHERS home energy assessment.
• General information on NatHERS on the FAQs page.

Still not what you're looking for? Please send specific technical questions to the technical team: admin@nathers.gov.au 

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