Sustainable Building Against Climate Change

Stemming the Tide – Sustainable Building Against Climate Change Sustainable building is the key to ensuring that America’s cities are prepared for the future. In an article on the top climate change news of 2016, The New York Times stated that this year was following the trends of previous years. The world was getting warmer Read More …

166: How to Upgrade Your Thermal Envelope Above the Building Code

When you’re designing a new home, or getting one built, you should invest as much as you can to upgrade the thermal envelope. Put in as much insulation as you can, and invest in the best windows you can afford. In this episode, I walk through the minimum requirements of the New Zealand building code Read More …

163: The Facts About Airtightness

Walls (and roofs and floors) of buildings have become complicated. As we’ve increased the level of insulation, we’ve created some new problems, like condensation. This has been aggravated by the addition of layers into the wall that reduce air movement. So how do you create a wall that keeps you warm but will also stay dry? I Read More …

162: Introducing the LUNOS, a through-the-wall heat recovery ventilation system

When I first saw the LUNOS, I was skeptical. How could this be a ventilation solution with true heat recovery, when it’s so small? I particularly weary of systems claiming to be ‘heat recovery ventilation’, because so much of what’s typically sold and installed as such in New Zealand, simply is not. Worse than that, Read More …

161: A Fitbit for your home

Imagine having a Fitbit for your home and being able to see, in real time, how it’s performing. You could also be notified of any hazards like high levels of CO2 and VOCs as they occur – before you start to get a headache or start having respiratory problems. I spoke with Dustin Jefferson Onghanseng, cofounder Read More …

159: Darryl Sang Certified Passive House Designer

Why Architecture? Darryl originally chose engineering as his profession, but seeking to combine his creativity with his analytical skills, he eventually followed his father’s footsteps into architecture. Why Passive House? A growing number of Darryl’s clients have been wanting to invest more in their properties in order to use fewer resources and have a truely comfortable Read More …

158: Why should we be watching China?

One of the most surprising aspects of the recent 20th International Passive House Conference in Darmstadt, was the Chinese presence. Elrond Burrell estimates that nearly 200 of the 1,000 delegates were from China. Why the sudden uptake of Passive House in Asia, and what does this mean for the rest of us? Elrond Burrell Elrond Read More …