Guides
Expert guides to understanding NatHERS energy ratings, choosing an assessor, and improving your home's energy efficiency.
What Is a NatHERS Energy Rating?
Learn what NatHERS energy ratings are, who administers the scheme, and why they matter for Australian homeowners building or renovating.
How the NatHERS Star Rating Works
Understand the 0 to 10 star rating scale, how heating and cooling loads are calculated, and what constitutes a good star rating under current Australian standards.
NCC 2022 Energy Requirements: What You Need to Know
Understand the NCC 2022 changes including the move from 6 to 7 stars, Whole of Home provisions, and what they mean for builders and homeowners in Australia.
Choosing a NatHERS Assessor: What to Look For
How to select the right NatHERS assessor for your project, including accreditation, software tools, costs, and questions to ask before you engage.
The NatHERS Assessment Process: A Step-by-Step Guide
A complete walkthrough of the NatHERS assessment process, from engaging an assessor to receiving your star rating report and making improvements.
Improving Your Home Energy Rating: Practical Tips
Practical strategies for improving your NatHERS star rating, from insulation upgrades and glazing choices to orientation, shading, and ventilation.
NatHERS for Renovations: When You Need an Assessment
When renovations trigger NatHERS requirements, the difference between new build and renovation assessments, and cost-effective strategies for improving existing homes.
Understanding NatHERS Climate Zones
What climate zones are, how Australia's 69 zones were determined, and why the same house design gets different star ratings in different locations.