Whenever you give thought to Ground Source & Geothermal Heat Pumps, you think about high ground temperatures that will provide very economical performance.
Closed Loop Borehole
Flow/return pipes functioning down/up in a single borehole to depths of 150m + (numerous boreholes within a system array).
Horizontal Collector
Pipes beneath the floor at circa 1200 to 1500mm deep run horizontally, with the vast majority of the thermal collection being solar/surface heat derived as a result of shallow collector depth (useful ground temperature starts at 15m depth).
Open Loop Borehole
Good levels of Heat Pump performance are accomplished due to the trusted temperatures that may be delivered from aquifer systems.
Here, a flow borehole plus a separate return borehole flow into ground/aquifer water to the Heat Pump.
All three methods provide application benefits to appropriate projects and may be configured as primary ground source collector-driven heat pump systems, read more or air/ground dual-source systems to reduce civil prices where required.