22 November 2018 The Wanaka Sun’s Ruth Blunt: A healthy heart for Luggate

Luggate Hall is the is a community hub in Queenstown that needs to be replaced due to seismic strengthening. The community has pulled together a business case plan through the Government’s better business model to pursue Certified Passive House for that community hall in order to capture the thermal comfort, health & the low energy ongoing energy cost benefits. Once …

Documentation required for a Certified Passive House

A fairly common question during the certification process is ‘What sort of construction documentation is required for a certified passive house?’ Required documentation for a Certified Passive House (Passivhaus) or PHI Low Energy Building is that sufficient to fully check the energy model and design quality and assure that the building was built as per the design. That sort of …

26 October 2018 Passive House Plus’ Kate de Selincourt: Performance gap much smaller for passive homes, research finds

This report reviewed detailed test measurements for air tightness and heating loads for passive houses and non-passive houses designed to meet an energy target. From this data the Passive Houses (Passivhaus in the UK) predicted performance matched quite closely to the measurements compared to other non-passive house designed buildings. “Most of the homes were fitted with mechanical ventilation with heat …

The Four Control Layers – Fundamentals of Building Science

The Building Enclosure and the Four Control Layers   Understanding of the building enclosure and the four control layers that make up the building enclosure is vital to understanding how the building enclosure will perform Enclosure The building enclosure is what separates the inside environment from the outside ‘natural’ environment. This includes everything from the paint on the outside of …

March 2016 Organic Magazine’s Low Energy Homes

This article features our Director, Jason Quinn, there was a lot to condense into this article. The one additional comment he wishes had made it into the article was that most new homes built in New Zealand to the current building code are unhealthy due to inadequate ventilation resulting high moisture levels and often times mold. Yes, That’s a brand …