wikipedia's got a good article on it. http://en.wikipedia.org/wiki/Geothermal_exchange_heat_pump The best way is to drill straight down about 200ft, that way you're barely affecting anything eco-wise. It's a bit more expensive to do it that way though. ^_^
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
branchandroot
no subject
Date: 2008-07-02 07:50 pm (UTC)The best way is to drill straight down about 200ft, that way you're barely affecting anything eco-wise. It's a bit more expensive to do it that way though. ^_^