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Reader's tip of the month - July 2013

Posted by Cathy Debenham on 29 July 2013 at 9:29 am

Mark Boulton is just completing his self-build eco-house: a timber frame / hemcrete construction on a passive slab near Chipping Campden. 

The house has a 9.8kW solar PV system and solar thermal panels feeding into an 800 litre thermal store. It has a bespoke energy management system with several sensors monitoring the ambient temperature in the slab and living areas, and controls the low energy pumps. He also has rainwater harvesting, and 90% of the lighting is 3 and 7w JCC integral LEDs which are guaranteed for 10 years. All this adds up to a carbon negative house - one that produces more energy than it uses.

His tip is:

"Building you own passive slab is not as difficult as it may seem and much cheaper than calling in German, Irish or Scandinavian installers." However, he warns that "Hemcrete is a trickier product to use and an be difficult if installed in heavy rain like we had in June." - See more at: 

Click the link to read Mark's blog of the build.

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