Passive solar design dates back over 2 and a half millennia to the ancient Greeks and Chinese; it not only predates modern HVAC systems, but also modern materials. So it makes sense that earth-built homes would play well with passive solar techniques.
In this video, natural building expert Michael G. Smith shows us how they use straw bale to insulate northern walls and cob as a thermal mass on southern surfaces.
Thanks for watching
Feel free to leave a comment below
Sign up for the newsletter – Send a email titled newsletter to us via the contact us page.
Join the facebook group or twitter see the right hand collum —————————————->