; (G) advanced geothermal systems using variable pumping rates to increase efficiency; (H) geothermal heat pump efficiency improvements; (I) use of hot water found in mines and mine shafts and other surface waters as the heat exchange medium; (J) heating of districts, neighborhoods, communities, large commercial or public buildings (including office, retail, educational, government, and institutional buildings and multifamily residential buildings and campuses), and industrial and manufacturing facilities; (K) geothermal system integration with solar thermal water heating or cool roofs and solar-regenerated desiccants to balance loads and use building hot water to store geothermal energy; (L) use of hot water coproduced from oil and gas recovery; (M) use of water sources at a temperature of less than 150 degrees Celsius for direct use; (N) system integration of direct use with geothermal electricity production