Andrew Peel from Peel Passive House Consulting explains why the quality assurance procedure is at the heart of the Passivhaus standard . He also feels the process can be useful to improve any building, even if not striving for the standard.
Dylan Lamar from Green Hammer explains how design ideas are communicated in various different ways, from sketches drawn by hand to sophisticated computer models. He also shares the design process at Green Hammer, and how and why house plans evolve.
Sofie Pelsmakers, environmental architect and doctoral researcher at University College London (UCL), busts 10 common environmental design myths. This also serves as a good introduction to The Environmental Design Pocketbook .
Clare Parry, Director of the Australian Passive House Association , explains what it means to work on Passivhaus projects in different climates. What, if anything, changes?
Author Michael Mobbs reflects on what he’s learnt about sustainability over the last 20 years. From living without a car and bringing key services in-house (his home is not connected to mains water, mains electricity or mains drainage) to growing his own food and being careful how he spends his money, Michael considers how effective he has been.
David Winterton from Sydney-based consultancy Ecological Design gives us a rundown of solar photovoltaic (solar PV). We find out how it works, what the key considerations are and why prices of PV panels always seem to be coming down!
Cath Hassell from ech2o consultants explains what rainwater harvesting is, why it’s useful and how to get started. If you haven’t heard our first podcast interview with Cath on the topic of saving water , check that one out first!
Paul Jennings from ALDAS talks through some of the findings from the airtightness tests we carried out as part of our documentary.
Mark Chesney from Beam Vacuum & Ventilation explains how houses have become increasingly airtight and why this has had a significant impact on energy efficiency. He also shares why having a good ventilation strategy is so important.
John Butler tells the story of how he retrofitted a bungalow to be more energy efficient. Having carried out a lot of the work himself, he also shares what he's learnt about airtightness and overheating.
Jackson Moulding from Ecomotive tells the story of Ashley Vale, a group self build scheme in Bristol, UK, that initially had to fend off a large developer in order to secure a plot of land. The will of the local community was instrumental in making this happen.
David Sharpe from Thomasons explains what the foundations are, why they must be site specific and how they could impact on the design of a building.
James and Dani McDonald reveal why they were drawn to HUF HAUS, how the process worked and why they have become very loyal to the brand.
Alex Baines talks through the plans for his semi earth-sheltered home, to be constructed to Passivhaus standard, and explains why involving the local community in the early stages was essential in gaining the relevant permissions.
Richard Oxley from Oxley Conservation explains why understanding an old house is such a vital first step to take before upgrading its performance.
Tim Nicholson reveals why he chose to retrofit rather than build new and, having selected a suitable property, what the strategy was and why. Tim has also been blogging about the experience on his website Oxford Green House .
Alastair Parvin explains how WikiHouse has developed and why it is so significant when it comes to enabling more people to build affordable, high quality homes.
Jake White from Ecotecture shares the story of The Curly House, an award-winning project that was built using insulated concrete forms (ICF). He explains what an ICF is, why there are benefits in terms of speed of construction and durability, and why most concrete structures have the potential to be extremely airtight.
Rory Bergin from HTA Design LLP explains why building standards are devised, the pros and cons, and why people adopt voluntary standards. He also gives an overview of the Active House standard.
Dusty Gedge, founder of Livingroofs.org , explains the benefits of installing a green roof, how it can be simple and why lots of people get swayed by commercial systems.
Graham Hunter from Parity Projects explains how data collected from one of their energy assessments is then turned into a report of options for the homeowner. This follows on from episode 60 which trailed Graham as he conducted an assessment.
Stephen Gurney from Ecological Building Systems explains the main causes of poor airtightness test results.
Alan Budden from Eco Design Consultants explains how simple design decisions can drastically alter the energy performance of a house and why this means your designer needs to be using a tool like the Passive House Planning Package (PHPP) to better inform these decisions.
Ken Levenson from 475 High Performance Building Supply explains what overheating is, why it happens and how to deal with it.
Doug King explains what smart energy systems are, how they work and whether we should be embracing them in our new homes.
Building services engineer Alan Clarke explains what factors should be considered when choosing a heating system for a low energy home.
If the idea of going 'off-grid' excites you, then perhaps now is a great time to be doing it. We live in an era where the cost of items such as solar panels is continually dropping and this is juxtaposed with fossil fuel reserves that deplete day by day. While you may even be forced off-grid if you move to a remote location, does it make sense going off-grid if you have perfectly good access (for example, in a town or village)? And with different grids -transport, gas, water - which is the easie...
Graham Hunter from Parity Projects conducts an energy assessment of a country house. He talks through the process as he goes about it and explains how the collected data will be used.
Andrew Farr from Green Building Store explains what qualities mechanical ventilation with heat recovery (MVHR) should bring to a house. He also shares how to make sure you get a system that is properly designed, installed and commissioned.
Chris Parsons from Parsons + Whittley architects shares his experience of the costs behind Passivhaus. Interview with Chris Parsons Chris Parsons from Parsons + Whittley architects has always had a focus on making buildings as efficient as they can possibly be. With the issues around global warming and trying to reduce carbon emissions, this is why they found a great synergy with Passivhaus.
