Geothermal Resources
Econar Energy systems is a geothermal heat pump manufacturer located in Minnesota. Their web site has information about geothermal power and information about their products.
The product below is the GeoSource Invision 3. This unit provides forced air heating and hot water.
Resources in China:
DISMY ENVIRONMENT EQUIPMENT (SHANGHAI) Co., Ltd.: Reversible Ground Source Heat Pump
Guanghzhou Hiseer Air conditioning CO. lTD
Water Furnace Geothermal Heat Pumps