secret under richard s garden. the heat from his home is absorbed through an underground network of pipes and come through a ground source pump. this is where the actual hardware is located. he swapped his as hardware is located. he swapped his gas guzzling hardware is located. he swapped his gas guzzling systems - hardware is located. he swapped his gas guzzling systems seven l his gas guzzling systems seven years ago, and he hasn t looked back. i years ago, and he hasn t looked back. u, years ago, and he hasn t looked back. , , back. i can safely say it is the best back. i can safely say it is the best thing back. i can safely say it is the best thing ever - back. i can safely say it is the best thing ever dead, i back. i can safely say it is - the best thing ever dead, the houses constantly pleasant temperature, not boiling hot but very liveable. the economics of it ijust fantastic. we paid 15,000 for the ground source and then 5000 for some solar panels for the roof, which su