GDH-Geo series - 7 kW, 12 kW, 16 kW, 24 kW, 30 kW Ground source heat pump Small and compact case for indoor installation in residental homes. The case and technique is developed to decrease noises as much as possible. GDH heat pump have a heating/cooling mode and a function for domestic hot water production. The heat pump manager can be optional controlled over the internet. There is also an option for a heat meter to count the heating or cooling energy consumption. > Cooling & heating > Max. outlet temperature up to 65°C by EVI technology High temperature heat pump system for highest COP > Control of one heating circle > Affordable solution for domestic hot water production Best economical solution GDH-Controller > Control of to one heating circle > Manager with buffer function > Cascade Manager up to 8 heat pumps > Control one boiler or electrical heater Power supply: 5 kW, 7 kW, 12 kW available in 220V/50Hz version Power supply: 16 kW, 24 kW, 30 kW is 380V/50Hz Approval: CE and DIN14511