A heat pump is a device that provides heat energy from a source of heat, or “heat sink”, to a destination. Heat pump are designed to move thermal energy opposite to the direction of spontaneous heat flow by absorbing heat from a cold space and releasing it to a warmmer one.

Macon swimming pool heat pump provides 28 degress constant warm water. 
It can used as a spa, the hot water outlet can up to 43degree. 
It can used as a chiller in Summer. supply 5-7 degree cool water.