Star Energy Rating

This assessment measures a buildings ability to maintain a comfortable internal living environment and the additional heating.

Factors that can effect a buildings thermal performance include:

Building envelope ? windows, roof, walls & floor
Location and climate
Orientation and design
Construction materials
House size

The end result is a thermal calculation with a star rating from 0 to 10 stars. A 10 star home should use little or no energy to maintain thermal comfort. Most states and territories in Australia have moved to a minimum 6 star standard.