2019 September 20 ATTMA: Registered Air Tightness Testers - New Zealand

2019 September 20 ATTMA: Registered Air Tightness Testers – New Zealand

List of all the current air leakage testers in New Zealand accredited with ATTMA. Air leakage testing very tight buildings (as they all should be build tight and ventilate right is a thing after all) can be tricky and the right training makes it much easier. We recommend for your Passive House blower door test: Air leakage testing is done …

Oppose NASH as AS for E2 as it doesn’t cover external insulation

And putting batts between light steel framing is dumb. https://www.mbie.govt.nz/have-your-say/building-code-update-consultation-november-2019 Only R0.25 thermal break that is vapour closed will mould and does not meet the ASHRAE 160 criteria. The Oak Ridge National Laboratory has found that thermal bridging in a wood-framed wall lowers the effectiveness of cavity insulation by 10%, but performance drops a whopping 55% in a wall framed …

19 August 2019 BMJ Journals: Damp mouldy housing and early childhood hospital admissions for acute respiratory infection: a case control study

Damp mouldy housing and early childhood hospital admissions for acute respiratory infection: a case control study Bottom line for the Wellington Region alone 1710 hospitalizations per year for children under 2 years old would be prevented if all housing were free from damp and mould!! “This paper presents the largest ever case–control study of the association between housing quality and hospital …

19 August 2019 SunLive: Crank up the heat on someone’s winter

Yes sometimes even sick folks living in cold homes don’t realize how it impacts their health. “Two weeks ago, the temperature dropped to zero or one degrees inland where a woman with cancer was living. Her nights were a struggle, her breathing was laboured and each day she woke up exhausted. Healthy Homes chatted with her about the importance of …

13 August 2019 Voxy: Energy company looks at health effects of cold homes

“The WHO report found that cold indoor temperatures have been associated with increased blood pressure, asthma symptoms and poor mental health. Cold homes contribute to increases in deaths and disease. It is estimated that in New Zealand 1600 additional people die each winter, with respiratory and cardiovascular disease highly prevalent in these alarming statistics. Elderly people, children and those with …

24 July 2019 NZ Doctor: Bridging the gap with Healthy Homes

Not sure I’d consider Wellington or Rotorua any more damp than Christchurch or Auckland in the winter. Much of NZ is nearly 100% RH in the winter for at least part of the day – which is why ventilation AND heating is required for health. https://www.nzdoctor.co.nz/article/undoctored/bridging-gap-healthy-homes “It’s great to see the Ministries working on this,” says Letitia. “Our mission is …

NZ Building-related standards

“The Ministry of Business Innovation and Employment (Building System Performance) has funded the following building standards, used for Building Code compliance, for free download.” Awesome. This includes most of the performance standards for heating/ventilation etc. Located at: https://www.standards.govt.nz/sponsored-standards/building-standards/

11 July 2019 MBIE: R&D tax incentive: What’s eligible and how to claim

NZ Tax Credit for Research & Design uses designing to meet Passive House energy standard as an example of something that is known “and there is no scientific or technological uncertainty in” designing to meet the standard. “Case Study R&D eligibility” “Example ineligible R&D based on existing knowledge Mike and Fulia design and build houses. In response to market demand, …