The highest efficiency on the market at 5.01 and the most powerful on a single phase electrical connection (25kw) means that the Clausius range of heat pumps fit where no others are able!
Kensa EVO
The EVO range from Kensa are UK Manufactured with a wide range of applicabilty
Soleco
Designed specifically to extract heat from a borehole water supply, the Soleco heat pump range can extract heat from underground aquifers or springs