Mark Davis Design
If you are thinking about a new home, addition or alteration; or even if you are underway, the following links contain a wealth of information to help you succeed!
What is Passive House? Click on this video to see a presentation by Mark Davis to the Penrith Heat & Homes Summit. Note due to the nature of this summit the presentation is focused on summer performance, however the same performance holds true for winter; in fact winter performance is even better!
https://www.wers.net Windows Energy Rating Scheme
http://www.mydesigner.net.au Building Designers Association of Australia