22 May 2002

B4-02 A retrofit Project with the groundwater heat pump in place of an existing HVAC system

Application of groundwater heat pumps (GWHPs) in HVAC systems has gained popularity in China in recent years. A retrofit project is reported in this paper with the GWHP in place of an existing system with a boiler and a cooling tower. The characteristics of the screw water-to-water heat pump used in the project are recommended. High quality performance has recorded in the past operations of the GWHP system.