Cas Sowinski

Cas Sowinski wrote:Dig holes with a borer twice the diameter as your solar chimney pipe at least 14' deep to access true geothermal cooling. Over dig if possible to make hole a French drain as well with clean gravel in bottom. Toss essential oils of peppermint Lavender or other anti microbials into hole from time to time...

I want to use this idea to cool greenhouse when it's too hot and add a fan and solar panel to assist flow. I also want to draw heat out of ground when it's too cold.
What I'm unclear of is where to place intake, ground level, mid-level, up high?
I guess I will have to experiment...

Dig holes with a borer twice the diameter as your solar chimney pipe at least 14' deep to access true geothermal cooling. Over dig if possible to make hole a French drain as well with clean gravel in bottom. Toss essential oils of peppermint Lavender or other anti microbials into hole from time to time...