Build Aotearoa

Matthew Cutler-Welsh

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Inspiring people to build a better Aotearoa. Stories, news and some building science to help kiwis be healthy, comfortable and resilient at home.

16 JAN

Build Aotearoa January 2026

Welcome to the first episode of Build Aotearoa for 2026. Coming up this year, the NZGBC will be celebrating 20 years of advocating for better buildings in New Zealand. The update of the update of H1 is bedding in, but many builders are turning their attention to roof condensation and overheating. And the market seems to be in a prolonged period of 'cautious optimism'.

24 min
19/07/2025

THRIVE 25 Expo Part 2

In this episode, I continue my coverage of the THRIVE 25 Conference with a series of interviews from the trade show floor. I spoke with leading suppliers whose products and innovations are helping shape the future of Passive House construction in Australasia. From high-performance windows to advanced ventilation systems, each guest shares their unique contribution to better building. https://www.passivhausassociation.com.au/ 1. Scott Hogan – DEHUM Scott discusses DEHUM’s advanced humidity control systems and their role in maintaining optimal indoor environments for Passive House projects. https://dehum.com.au 2. Mark Ristevski – XTour3D Mark introduces XTour3D’s cutting-edge 3D scanning solutions for construction, bringing ‘digital twin’ technology to the residential market. https://xtour.com.au/ 3. Mike Ward – Australian Glass Group Mike shares insights into high-performance glazing solutions and the importance of energy-efficient glass in Passive House design. https://agg.com.au/ 4. Mark Heyman – Rotho Blaas Mark highlights Rotho Blaas’ construction systems, including airtightness and waterproofing. https://www.rothoblaas.com/ 5. Ashley Griffs – BINQ Windows Ashley showcases BINQ’s locally manufactured timber, alu-clad, and uPVC windows that meet Passive House standards for thermal performance and security. https://www.binq.com.au/ 6. Adam Socha – Kinzel Industries & Aluplast Adam talks about Kinzel’s partnership with Aluplast, delivering innovative uPVC window systems with exceptional energy efficiency and design flexibility. https://www.aluplast.net/eng-int/company/ 7. James Hazelwood – Hygge Windows James presents Hygge Windows’ approach to combining aesthetics and performance in window design, tailored for sustainable living. https://hyggewindows.com.au/ 8. Harley Truong – Logikhaus Harley explains Logikhaus’ commitment to Passive House certified windows and doors, and their role in delivering high-performance building envelopes. Plus a summary of Harley’s conference presentation, proposing how we might report and communicate better about Passive House benefits. https://www.logikhaus.com.au/ Once again, a big thank you to Andy Marlow and Taline Edwards at Envirotecture for making this possible. https://www.envirotecture.com.au/

1h 4m
14/07/2025

THRIVE 25 Exhibitor Showcase - Part 1

I chatted with the wide range of exhibitors at the 2025 Australian Passivhaus Conference, THRIVE 25 in Melbourne. This year saw a growing contingent of panel suppliers along with a variety of window manufacturers, membrane suppliers and more. Special thanks to Environtecture and the Australian Passivhaus Association for supporting the Passive House Accelerator to be there and bring you these highlights. Featured Guests and Exhibitors Peter Sullivan, Smart SIPs Peter introduces us to his structural insulated panel system designed to simplify construction while delivering high performance for Passive House and other energy-efficient builds. Annettee Braagaard, Nordic Blinds Annettee shares how intelligent Danish blind systems support shading and comfort in Passive House projects across Australia. Ben Mitchell, SIP Solid and Solcraft Ben explains how their Solcraft panels can help deliver stronger, warmer homes in the Australian market. Rohan Madathanapalli, Bondor Metecno As Principal Sponsor of THRIVE 25, Rohan outlines Bondor’s role in advanced panel technology and how one product can serve multiple functions, speeding up products and helping to reduce overall cost. Klaus Herrmann, Alpine Passive House Klaus highlights the benefits of Australian-made prefabricated panels design with European experience. Thomas Paarhammer, Paarhammer Windows & Doors Thomas shares insights from over 30 years of crafting high-quality windows and doors tailored for Australian conditions and Passive House requirements. Villy Yordanov – Technical Manager, Pro Clima Australia Villy explains some of the new products available from long-time Passive House support, pro clima. Rachael Sparnon-Freeman, Pacific Ventilation Rachael discusses mechanical ventilation solutions, indoor air quality, and how Pacific Ventilation can support both commercial and residential projects. Joel Seagren, Fantech Joel speaks about fan technologies and their application in Passive House ventilation systems and energy recovery solutions. Michael Drage, Reimagined Habitat, Net Zero Plus, Efficient Habitat Michael talks about communicating passive house in the language of clients, drawing on his experience from the financial sector.

1h 7m
20/12/2024

Build Aotearoa December 2024 with Sharon Robinson and Glenn Harley

https://homestylegreen.com/build-aotearoa-december-2024/

1h 5m
18/12/2024

Build Aotearoa ERP2 with Elrond Burrell

The government has released New Zealand's second emission reduction plan and it does mention building and construction. Elrond Burrell shared his thoughts. View the ERP2 at https://environment.govt.nz/publications/second-emissions-reduction-plan-at-a-glance/ Follow Elrond on LinkedIn and read his review of ERP at https://www.linkedin.com/pulse/erp2-building-construction-what-impact-have-elrond-burrell-6ztjc/ I'm now on Bluesky @kakarikicastle.bsky.social

16 min
24/10/2024

Wao Summit 2024 with Aaron Thule

Wao Summit 2024 is happening next week, 29th October - 2nd November. Speakers include John Bell, Monique Kelly, Dr Jim Salinger, Alec Tang, Jane Lloyd, Dr Greg Bodeker, Sam Gibson, Paul Spoonley and more! Tickets and information https://www.wao.co.nz/summit2024

16 min
03/10/2024

Build Aotearoa 22

Smart Living Spaces Courses https://mailchi.mp/d8da871e6018/freecourse https://www.smartlivingspaces.nz/healthy-homes-for-home-owners-1 Airtightness and Energy Efficiency https://mailchi.mp/55993a8ce34e/guideline-august_2024-328287#mctoc2 Overheating and Carbon https://www.rnz.co.nz/national/programmes/middayreport/audio/2018957722/green-building-council-supports Building Consents https://www.linkedin.com/posts/nathanspeir_acts-cameron-luxton-wants-builders-to-be-activity-7246579587780861954-wGPc?utm_source=share&utm_medium=member_desktop Oil and Gas - Evidence https://newsroom.co.nz/2024/09/30/anne-salmond-are-they-listening/ Multiproof MultiProof resources | Building Performance Minor variations guidance | Building Performance Wao https://www.linkedin.com/posts/wao-nz_with-just-over-four-weeks-until-wao-summit-activity-7246334252701663232-tLOB?utm_source=share&utm_medium=member_desktop

1h 9m
22/09/2024

PHINZ 2024 Supporters

For more information see https://passivehouse.nz/events/passive-house-conference-2024/passive-house-conference-2024-trade-suppliers/

1h 8m

TRAILER

Waitangi Day 2024

Kia ora. After a long break from recording an episode on the Home Style Green feed, I've taken some time on Waitangi day to share some of my thoughts about building homes in Aotearoa, New Zealand. There's a lot we need to discuss.

S1

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6 min

Inspiring people to build a better Aotearoa. Stories, news and some building science to help kiwis be healthy, comfortable and resilient at home.

Creator

Matthew Cutler-Welsh
Years Active

2024 - 2026
Episodes

25
Rating

Clean
Show Website

Build Aotearoa