Post your comments on the off-grid community. Just go to the live Forum, register and then upload comments or questions. You will need to download a small, safe piece of software, but it works, and it is safe.
For Q&A on Geothermal Heat, click on the Forum logo above. It is not quite as easy as plugging a wire into the earth and then lying back and toasting your toes but almost. Go to the Forum to ask questions and get answers on installing Geothermal.
Clicking on the comments link at the bottom of this page will take you to comments posted on the site.