News

Earthwool® success for celebrity Passive House
By Knauf Australia on January 29, 2015

A remarkable Passive House in New Zealand – fully insulated with Knauf Insulation’s Earthwool – has become a major energy efficient inspiration for homeowners across the country.

A remarkable Passive House in New Zealand – fully insulated with Knauf Insulation’s Earthwool – has become a major energy efficient inspiration for homeowners across the country.

Featuring in major magazine and website articles as well as the upcoming New Zealand’s Living Green television show, the 254m2 (218m2 excluding garage) four-bedroom family house in Auckland is the first Positive Energy Home in the country to be built to demanding German Passivhaus energy efficiency standards.

There has been so much media coverage of the ‘Ideal House’ – which generates more energy than it uses – that its owners now even offer weekend tours to visitors keen to learn more about energy efficiency.

Being a major talking point in New Zealand is great news for Knauf Insulation as the owners chose formaldehyde-free Earthwool to insulate their home due to its high thermal performance and excellent air quality credentials.

“The air quality in our home was important to the health our children,” said homeowner Murray Durbin. “Knauf Insulation has been awarded the Eurofins Gold Award for Indoor Air Quality and is Greenguard Gold certified, so we knew that Earthwool would contribute to good indoor air quality in our home.”

The Earthwool insulation also contributed significantly to the Passive House certification ensuring the house requires no heating or cooling to maintain a minimum temperature of 20ºC all year. “It’s amazing to see the children running around in T-shirts and shorts, warm and comfortable when it’s freezing outside,” said Murray.

In addition to exceptional insulation with airtight membranes, the home features 32 photovoltaic panels, triple-glazed windows, hot water heat pump, LED lighting as well as movement and daylight sensors.

As a result the house contributes electricity to the national grid and has been awarded an exceptional energy efficiency rating of 8 under New Zealand’s Homestar certification system, the highest level currently awarded.

Click here to see more pictures. 

House Knauf