Measured careful and structured approach to internal insulation retrofits for historic facades. It can be done but it needs to be done well the first time (or done over again soon). From an engineering and science point of view the insulation on the exterior is much easier. These particular retrofits work with interior insulation as the intermediate floors and roof …
28 June 2019 Stuff’s Libby Wilson: Kiwis ‘accept less’ from homes, passive house builder says
View Waikato expoHaus case study Title says it all – if what you want from a house is cheapest you are legally allowed to build than you should expect the least legal performance. It doesn’t have to be that way but that is how it works. Content by Stuff.
Peel Passive House have just published an Appliance Modelling Guide for Certified Passive House Projects
See: http://www.peelpassivehouse.ca/resources.html “This study explores the Canadian and European energy standards for household appliances that are modelled for Passive House compliance in PHPP for residential buildings. An excel tool PHPP Appliance Input Calculator has also been developed to help PHPP Users extract data from EnerGuide or ENERGY STAR appliance labels and calculate an input that can be used in the Electricity worksheet of …
25 June 2019 The Fern: Stay at Redfern’s new no-carbon luxury apartments
The main website might be a bit slow to load but the apartments are really incredible. These are all Passive House and are targeting certification. The awesome news is you can rent one (well if they are available) the next time you are in Sydney. http://www.thefern.com.au/fact “With its first guests checking-in over the Queens Birthday long weekend, The Fern serviced apartments are …
20 June 2019 The Harvard Gazette Colleen Walsh: Is your home making you sick?
Good summary of healthy homes via indoor environmental quality — starting with healthy indoor air. “Home is where the heart is. It’s a figurative expression but it’s literal too because it’s actually where your heart is spending a majority of its time,” said one of the report’s lead authors, Joe Allen, who heads the School’s Healthy Buildings program. “The home influences heart health, …
How to for healthy buildings from Harvard T.H. Chan School of Public Health
The below guides are from the Harvard T.H. Chan School of Public Health and summarize and simplify the public health science into simple recommendations with links to peer-reviewed journal articles for building science geeks to dig into the research and technical details. This first one focuses on your home and what you can do. I can quibble about a few …
2019 June 19 New Energy Economy: World’s First Certified Passive House Car Dealership

This building is pretty incredible. Most Passive House buildings can change the form (the external shape) and use less glass to meet the performance standard, but that wasn’t an option for this building: it has to look a certain way to meet the car franchise requirements. It’s also built in a cold climate, with winters dropping down to -11C. The …
07 June 2019 Kowhai House certified PH winner in NZIA Southern Architecture awards
Great to see Rafe Maclean recognised for this clever certified Passive House which is also his home. Case study and more information on the home here. “This project shows a “difficult hillside site transformed by a simple yet compact layout and economical architecture”.” Content by Stuff. The awards in detail at Architecture Now.
Passive House for New Zealand book featured in NZ Green Party Te Awa magazine

Living in this country has been a shocking experience for me. I’ve discovered that some Kiwis don’t think anything of wearing a winter jacket inside when it’s cold. As a building scientist and Passive House Institute NZ certifier, I’ve seen some pretty horrific examples of homes and buildings, even brand new builds that are not designed to stay dry and …