Why should we be building Passivhaus? - John Butler - BS063
In this episode John explains the principles and requirements of Passivhaus construction. He dispels some common myths and goes into some of the nuances of how its achieved.
- Does living in a passivhaus mean living in a bubble?
- Can I open the windows in a passivhaus?
- How airtight should it be?
- What are the benefits of MVHR?
John's work can be found here: https://www.sustainablebuildconsultancy.com/
Links from this episode:
- https://en.wikipedia.org/wiki/Oblique_Strategies
- https://passivehouse-international.org/
- https://www.passivhaustrust.org.uk/
- https://aecb.net/
- 1500 Passive house’s in UK as of November 2020 https://www.passivhaustrust.org.uk/news/detail/?nId=787
- https://www.homebuilding.co.uk/advice/passivhaus
- The MVHR I chose for my tiny house - https://www.blauberg.co.uk/en/blauberg-uk-mvhr-heat-recovery-ventilation-range/decentralised-single-room-heat-recovery-ventilation-units
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John Butler
Conduit of geek
Certified Passivhaus Consultant and AECB Carbonlite Retrofit graduate.
Hands-on experience of retrofit and new-build, combined with technical and theoretical knowledge of materials, thermal comfort, building physics, and environmental impact of construction.
Background: a long term interest in sustainability led me from my past career making pots and building kilns to a low-energy self-build retrofit project. It was a rapid introduction to sustainable construction, and the factors affecting material and design choices.
From there I went on to an MSc in Sustainability Adaptation and the Built Environment, from the Centre for Alternative Technology’s (CAT) inspiring Graduate School of the Environment. I have returned regularly to CAT as a visiting lecturer and workshop leader on the MSc and MArch programs.
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