Water source heat pump Function:heating and cooling or domestic heat water Capacity: from 4.5 to 75kw Description:anti-freeze thermos water source heat pump use underground water or circulated water or brine as main sources. Water source heat pumps are designed to offer 16 sizes for all small and medium cooling capacity residential, commercial and industrial facilities. The unit is fully supply the cooling/heating water into indoor for cooling/heating. The units are factory tested and will complete the installation by connecting water and power supply only. Veneer, demensions in deatial, refer to our catalogs