Video Categories GeoExchange13:20 Hotel Systems11:16 Comfort From The Ground Up18:13 Neff School15:21 Military Housing18:05 Federal Facilities14:21 Health Care Facilities17:21 Commercial Buildings13:16 GeoExchange in Affordable Hous.. Education2:33 Energy 101: Geothermal Heat Pu..2:44 Western Farmers Electric Coope..