This article doesn’t really come to a conclusion other than the old rule of thumb of divide the blower door ACHn50 by 20 to determine the average infiltration is not accurate. I know how hard it is to estimate the site wind speed from weather station data and then the pressure across the envelope and of course the ACHn50 number …
Built to Perform: An Industry Led Pathway to a Zero Carbon Ready Building Code 3 July 2018 Improved energy performance of buildings presents a win-win-win opportunity, reducing stress on the electricity network, offering bill savings, supporting a least-cost pathway to a zero-carbon built environment, and improving health and resilience outcomes for households and businesses https://www.asbec.asn.au/research-items/built-perform/ Trajectory for Low Energy Buildings …
A certain friend of mine from Canada pointed out to me late last week that the only exemption for requiring a fixed heater in the main living room-sized per the heating capacity calculator are Certified Passive House or certain Living Building Challenge buildings. See the text from the act: http://www.legislation.govt.nz/regulation/public/2019/0088/latest/whole.html#LMS167196 11 Exemption for certified passive buildings (1) The main …
Several parties in the NZ high-performance building sector have been working on big meaningful changes to the way we build and all of us agree the winning combination is to change the building code. NZGBC is the biggest player in this sector and it is awesome to see their target. “To ensure zero carbon buildings in Aotearoa, the Government must …
This is a significant reduction in trips to the hospital for children. I wish we had an easy way to price this into building standards and made our buildings better at the start. “The Healthy Homes service is anticipated to avert approximately $30 million in health care costs over three years, and the predicted return on investment for funded HHI …
“Most developers will choose to build to minimum standards,” says Palmer. Architect Justin Bere, a Passivhaus specialist who has written a book on the subject, echoes this. “It’s very difficult for an ethical developer to do anything differently in the current climate,” he argues. “They (developers) are buying in competition with people who just want to achieve the absolute minimum …
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 …
The owner of Mona Vale’s former Stable Master’s Cottage got carried away when he visited Christchurch four years ago – he fell in love with an “as is, where is” house and bought it on a whim. “I bought it in a moment of madness,” he says. “It had moderate damage. It was a double-brick house with no timber framing to …
Queenstown Lakes District Council (QLDC) endorsed an ultra-low energy ‘Passive House’ concept for the new hall late last year. Since then, Council officers have been working to turn this aspiration into a detailed project plan for what may well be one of the first community facilities built and certified to Passive House standard anywhere in Aotearoa New Zealand. Richard Pope …
