Specifically, they determined that geothermal systems are not cost-beneficial in climates 1A (e.g., Miami, FL, USA) and 2B (e.g., Phoenix, AZ, USA), but in 6B (e.g., Helena, MT, USA), 7A (e.g., Duluth, MN, USA), and 7B (e.g., Gunnison, CO, USA), there is high ...
Department of World Languages and Cultures, University of Minnesota Duluth, 1201 Ordean Court, Duluth, MN 55812, USA 2 Sustainable Energy Consultant, High Wycombe HP10 8JW, UK * Author to whom correspondence should be addressed. Sustainability 2018, 10(4), 1058; https://doi.org/10.3390/su...