Episode 37: 8 Fundamentals to Home Design - Chris Laumer-Giddens

6 May 2026  |  Season 1  |  56 mins 55 secs

air leakage, air tightness, building enclosure, construction industry., control layers, dehumidification, energy efficiency, erv, ground source heat, hrv, insulation, moisture management, passive house, timeless buildings, ventilation

Chris shares his career journey and why airtight building envelopes are critical for preventing moisture and mould.

Episode 35: What happens when things go wrong? - Peter Raimondo

16 February 2026  |  Season 1  |  46 mins 17 secs

airtightness, construction new zealand, energy efficiency, high-performance buildings, insulation, passive solar design, weathertightness

Simon Cator speaks with Peter Raimondo about the importance of airtightness and ventilation as well as thermal performance and condensation.

Episode 34: Eco-Friendly Construction - Simon Wansbrough

4 February 2026  |  Season 1  |  23 mins 8 secs

airtightness, construction new zealand, energy efficiency, high-performance buildings, insulation, passive solar design, weathertightness

Simon Cator speaks to Simon Wansbrough about being an eco-conscious builder and how there is a need for better education in the building industry.

Episode 32: Offsite Construction - Andre Heller

3 December 2025  |  Season 1  |  40 mins 34 secs

airtightness, construction education, construction new zealand, energy efficiency, high-performance buildings, insulation, weathertightness

Simon Cator and Andre Heller talk about the benefits of off-site construction

Episode 31: Small, Smart Spaces - Sharon Robinson

5 November 2025  |  Season 1  |  27 mins 13 secs

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Simon Cator and Sharon Robinson sit down to talk about Sharon's new venture - small, smart living spaces

Episode 30: Antony Pelosi

1 October 2025  |  Season 1  |  44 mins 51 secs

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Episode 29: Casper Valentin

3 September 2025  |  Season 1  |  31 mins

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Episode 28: Allison Bailes

6 August 2025  |  Season 1  |  42 mins 14 secs

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Simon and Allison discuss the impact of airtightness in homes in terms of indoor air quality, energy efficiency, and moisture control.

Episode 27: Arena Williams

2 July 2025  |  Season 1  |  35 mins 51 secs

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Simon Cator and Jon Davies sit down with Arena Williams to talk about the current building code in New Zealand and what ca be done to change it for the better.

Episode 26: Sian Taylor

4 June 2025  |  Season 1  |  26 mins 43 secs

airtightness, construction education, construction new zealand, high-performance buildings, insulation

Simon and Sian discuss her career as an architect, as well as advocating for stronger regulations for building homes in NZ