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.

Joe Atkinson explains how the LILAC cohousing community came together and why their project is affordable for everyone.

Piers Taylor from Invisible Studio Architects explains what a build system is, why you would use one over another and whether any are preferable when it comes to creating low energy houses.

Steve Mouzon from Original Green helps answer a question (from Frank Wiley) about what houses we should be building in areas that are prone to hurricanes or other extreme weather.

Mike Coe lives in an autonomous house with his partner Lizzie Stoodley. He shares the story behind this self-build project and why it’s ultimately left them with a deeper connection to their environment.

Mark Tiramani, the self-builder behind the UK’s first certified Passivhaus, shares his experience of building Y Foel and how this got him interested in the Passive House Planning Package (PHPP). He explains what PHPP is and why it’s a valuable tool.

Lisa Ann Pasquale from Six Cylinder Limited explains what thermal imaging is and how it can be used in quality assuring the construction of low energy buildings.

In this special episode Ben Adam-Smith explains why he wants to crowd-fund a documentary about airtightness, what it will entail and how you can help.