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 the Read more about Brochure Launch: Everything you always wanted to know about Passive Houses in New Zealand[…]

All models are wrong – but some are useful

The right tools are needed to do a proper energy modelling job. For Certified Passive Houses, using the Passive House Planning Package (PHPP) is mandatory. It is the only energy modelling tool in the world that has successfully been tested against real-world results on a large number of projects (see here for some examples). Thousands of Certified Passive Houses deliver results very close to the modelling expectations. Other modelling tools are clearly not performing that well, or have never been tested. […]

Comfort in an eHaus Passive House

Passive Houses – built for comfort and health

It is impossible to achieve an indoor environment that can be categorised as comfortable by international standards (e.g. ASHRAE 55 or ISO 7730) with an indoor air temperature of only 18°C.

Despite the myth, there is no indication that Kiwis are more tolerant to colder temperatures than people elsewhere in the world, which should not come as a surprise, as many of us were born overseas, or grew up in far away places. In fact, several NZ studies suggest that if Kiwis are capable, technically and financially, to heat their homes to the degree Americans and Europeans are accustomed to, they will (Fyfe, 2005; Howden-Chapman et al, 2009). […]