By John O’Donnell
–
1 August 2007, Build 101, Feature article
There has been a big growth recently in the installation of mechanical home ventilation supply systems. We are told they can solve many of our indoor environmental problems, but sometimes basic issues need tackling first.
Read more
By Stephen McNeil
–
1 December 2015, Build 151, Feature article
Newer homes may be less draughty but concern is growing that they are accumulating too much internal moisture. Ventilation is key, and BRANZ is researching how to keep homes aired, warm and healthy.
Read more
By Stephen McNeil
–
1 August 2021, Build 185, Feature article
As we push for higher performance from our houses, expectations for airtightness and ventilation are changing rapidly. Some changes will be needed in design to improve airtightness, and mechanical ventilation is likely to soon be the norm.
Read more
By Trevor Pringle
–
1 April 2013, Build 135, Feature article
Many homes with suspended timber floors suffer from damp. Once the cause has been identified, there are ways to fix the problem.
Read more
By Stephan Rupp, Dr Manfred Plagmann
–
1 June 2015, Build 148
BRANZ building physicists recently investigated roof cavity ventilation in a high-altitude holiday home after the owner found condensation problems, including ice forming in the roof cavity.
Read more
By Trevor Pringle
–
1 October 2016, Build 156, Feature article
Perversely, the draught-free, airtight homes of today might be harbouring plenty of internal moisture. Well designed ventilation is needed to manage this moisture and avoid the perils of mould and health issues.
Read more
By Stephan Rupp, Dr Manfred Plagmann
–
1 June 2018, Build 166
A recently renovated home had a problem with mould in the roof cavity. BRANZ found moisture from a poorly ventilated bathroom was passing through downlights into an airtight roof space. It’s a lesson for others.
Read more
By Greg Burn
–
1 June 2020, Build 178
Significant performance improvements can be achieved affordably in houses by designing above the New Zealand Building Code minimum requirements. So, where is a good place to start to improve the liveability of a house?
Read more
By Stephen Sargent
–
1 October 2006, Build 96
The 2005 BRANZ House Condition Survey found 38% of homes with suspended timber floors had less than half the subfloor ventilation required by the current building standards. This inadequate ventilation can cause some serious problems.
Read more
By Chris Watson
–
1 April 2007, Build 99, Feature article
Melbourne City Council’s new office building, Council House 2 (CH2), has raised the benchmark for high-rise buildings.
Read more