Hi, I work for the Department of Transportation. I don't have a lot to bring to the table, but am familiar with the road building process from subsoils to driving surface, ranging from materials, to density and testing procedures.
If I was to bore a 4" or even 6" diameter hole into my garage floor drain and install a PVC pipe to a depth of 10 feet would the geothermal heat keep my garage warmer? I live in Northern Michigan and frost can reach depths of 7' or more. I am not looking to sweat in there, but could it allow...