So when we left off with the geothermal install they finished putting in the underground loop and left two stubs outs of pipe into basement. About a week later they came to install the actual geothermal unit. I didn't take many pictures of the process, because it's actually not very different than a normal HVAC install. The first day, they disconnected our existing heater (it was broken anyways). This allowed them to place the new unit in its place and take measurements for the metal duct work…