Episode 1

Guest: Joseph Lstiburek, Principal of Building Science Corporation

Joe Lstiburek, B.A.Sc., M.Eng., Ph.D., P.Eng., is the founding principal of Building Science Corporation and an ASHRAE Fellow. He is a building scientist who investigates building failures. Dr. Lstiburek received an undergraduate degree in Mechanical Engineering from the University of Toronto, a master’s degree in Civil Engineering from the University of Toronto and a doctorate in Building Science Engineering from the University of Toronto. He has been a licensed Professional Engineer since 1982.

The Wall Street Journal referred to him as “the dean of North American building science.” Fast Company magazine called him “the Sherlock Holmes of construction”. He is internationally recognized and his work has influenced building codes and standards in every climate zone.

Dr. Lstiburek is an acclaimed educator who has taught thousands of professionals over the past four decades and has written countless papers. He has a joy for telling tall tales to his proteges and audiences.

"It's not a rocket science, it's a building science!"

Podcast topic: In the first episode of the pro clima podcast, we're talking to Joe Lstiburek, the Godfather of Building Science. He delves into his journey from designer to advocate for improved building practices, emphasizing the importance of learning from past mistakes, like weathertightness issues seen in the US or Canada. He reckons the New Zealand construction industry should learn from these mistakes, not keep repeating them. Joe also discusses ventilation concerns and the role of dehumidifiers, suggesting a balanced approach to efficiency. Additionally, he talks about upcoming advancements in design and materials. He stresses the need for education to prevent similar problems from arising in the future.

If you're a building scientist keen to learn more from Joe, head to the resources available on the Building Science Corporation website.

Episode 2

Guest: Natasha Cockerell, Director of the Respond Architects

An architect with talent and focus, Natasha is a rarity within the industry – an ‘all-rounder’ combining a capability for sensitive design with an advanced knowledge of building science and technical detailing.

Natasha believes that communication is the key to a successful project and prides herself on building relationships with clients, stakeholders, consultants and contractors to ensure great outcomes.

She is involved in a variety of residential, commercial and educational projects, and although she relishes the challenge of large, complex projects (such as the Takapuna Main Block Development project which is currently under construction), she also appreciates the chance to work with Schools on a variety of unique projects of varying sizes. Natasha is passionate about creating great spaces for learning, and her track record of over 11 years working on Ministry of Education projects reflects this.

“We accept a lot just because we don’t know any different.”

Podcast topic: In the second episode of pro clima podcast, Natasha explains how seeing her relatives work in construction sparked her interest in architecture, which she sees as a combination of art and science. From her experiences with leaky buildings to addressing challenges in the industry, we discuss the current state of the New Zealand construction sector, focusing on economic difficulties and the urgent need to address carbon emissions. Looking ahead, she advocates for a shift towards sustainable, energy-efficient building practices, emphasizing holistic approaches to building performance and the importance of homeowner awareness in selecting architects. Natasha champions prioritizing simplicity, efficiency, and comfort in building design, highlighting the potential of energy modelling to deliver better outcomes while saving costs.

Episode 3

Guest: Darryl Sang, Director of Sang Architects

ANZIA B Arch B Eng - Darryl is a Registered Architect who has been practising for nearly 30 years in London and New Zealand. Darryl brings a unique set of skills to each project; he is also a qualified engineer and a Certified Passive House (Passivhaus) Designer.

He is a highly experienced Director and Team Leader with extensive experience in the delivery of design, organisational and technical delivery of projects including commercial and residential developments.

"Modelling approach is the most accurate way of looking at a building. The overall performance really needs to be modelled."

Podcast topic: In this episode of pro clima podcast, Darryl shares insights from his experience with energy-efficient building projects, including the Piha EnerPHit renovation and the Legacy House. He talks about the importance of improving the performance of existing homes in New Zealand, proposing standardized systems to facilitate retrofitting. Darryl highlights the challenges of addressing issues like condensation moisture management and airtightness in the Building Code. He emphasizes the need for a holistic approach to building design, advocating for increased industry skills and the adoption of modelling approaches to ensure overall performance of buildings meets high standard and comfort.

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