Geothermal Heat Pump
The ground acts as heat store, i.e. it maintains a nearly constant temperature between 10 and 16 degrees celcius (50-60 F). This ground temperature is warmer than the air above it in the winter and cooler than the air in the summer.

Air Source Heat Pump	Eco Building Products	Energy Saving Lighting	Rainwater Harvesters	Solar Panels - PV
Solar Panels - Thermal	Solar Panels Accessories	Solar Water Cylinders	Water Source Heat Pump	Wind Turbines