Measuring Airtightness in New Zealand Passive Houses

A blower door test to measure the airtightness in a New Zealand Passive House building needs to be performed in accordance with AS/NZS ISO 9972:2015. The only exception to this is the calculation of the internal reference volume outlined in section 6.1.1 of the standard. The air change rate (ach) at a pressure difference of Read more about Measuring Airtightness in New Zealand Passive Houses[…]

PHINZ Brochure Cover

Brochure Launch: Everything you always wanted to know about Passive Houses in New Zealand

The new brochure “Everything you always wanted to know about Passive Houses in New Zealand” was successfully launched at the South Pacific Passive House Conference in Christchurch. This is a new concise guide for people in New Zealand who would like to learn more about the how and why of Passive House, as well as Read more about Brochure Launch: Everything you always wanted to know about Passive Houses in New Zealand[…]

How to account for thermal bridges

R or U-values do not tell the whole story about transmission heat loss through the building envelope. In fact, the better you insulate your building, the more you need to pay attention to rat-runs to get the full benefit of the thermal separation. The following instructions are a refresher for people who did thermal bridge Read more about How to account for thermal bridges[…]