Catalog · Geothermal Energy Networks: Transforming Our Thermal Energy System Lecture 19 of 26 Session 6-3: Introduction to Drilling Geothermal Boreholes ← Previous Session 6-2: Emerging Code & Standards for Ambient Temperature Loops Next → Session 6-4: Constructing and Commissioning of a GEN ✓ Mark complete Materials Transcript (PDF) ↗ transcript