Water Main Geothermal: Could Existing Water Pipes Replace Dirty Energy Utilities?

Water main geothermal combines the efficiency and technical capability of ground-source geothermal in cold climates with costs competitive to fossil gas furnaces. This report shows that water main geothermal could provide a viable, cost-effective alternative to traditional home heating and cooling systems. Through it, homeowners would benefit from lower heating and cooling costs, water utilities would benefit from a new source of income, and cities would benefit from reaching their climate commitments.