Are More Airtight Buildings More Energy Efficient?

An airtight building doesn’t sound all that appealing – how are you meant to get fresh air? How does the building ‘breathe’ (whatever that means)? What about the children!? It’s an undercurrent that rages in the Passivhaus vs ‘standard’ construction realm, and...

Magical Glass, The NatHERS Solution

8th July, 2016  | Jessica Hogg When you decide to utilise the deemed-to-satisfy route for residential developments, you’ll end up producing a NatHERS (Nationwide House Energy Rating Scheme) model. Given that it is a building envelope assessment, as part of the process...

Building Code: An Important (Thermal) Bridge to Span

12th October, 2016 | Jessica Hogg The Australian Building Codes Board (ABCB) recently confirmed that they’re undertaking a process for developing Section J 2019. This is a sure sign that industry is being engaged and workshops are taking place. Although a three-year...

Debunking Some Myths About Passivhaus

14th January, 2016 | Jessica Hogg As a Certified Passivhaus Designer, I’ve had some interesting discussions with both friends and colleagues about their perceptions of what they think a Passivhaus building actually means. It’s time to shed some light on a few of the...

Fresh Air without the Heat Loss (or Gain)

Clare Parry As we seal up our homes for better energy efficiency, mechanical ventilation becomes important, writes Clare Parry. Can we have homes that don’t require heating in the depths of winter, or cooling in summer, and yet remain optimally comfortable? The...

Embodied Energy in Passivhaus Buildings

19th January, 2016 | Clare Parry A hot topic in Passivhaus circles for nearly as long as the standard has been around, the net effect of building ultra-low energy buildings is again under the spotlight following commentary and presentation of a paper at the...