ground source heat pump unit “Hstars" screw-type ground source heat pump unit uses ground energy as the main energy source, and meets the needs of winter heating and summer cooling through advanced ground source heat pump central air conditioning system. The system is approximately 50% energy efficient compared to conventional air conditioning heating systems. Brand: Hstars Cooling capacity range: 98KW ~ 7931KW; Heating range: 119KW ~ 9214KW