Star-stuck? How to make the most of house energy ratings


“House energy ratings are critically important for improving the quality and comfort of Australian homes – and yet many of us don’t really understand them, let alone know how to check our homes are being built as designed.”

We’re serious star gazers at Light House but in our experience few people understand the star rating system. Our work over the last decade suggests 8 stars is the sweet spot in terms of ‘thermal bang for buck’. An 8 star home is predicted to need less than half the energy for heating and cooling of a 6 star home the same size. This article from the terrific Sanctuary magazine provides some great background.

You can also read more about the Nationwide House Energy Rating Scheme (NatHERS) online and watch the video below.

This video explains the Nationwide House Energy Rating Scheme (NatHERS). NatHERS is a star rating system (out of ten) that rates the energy efficiency of a home, based on its design.