What is the definition of a water source heat pump parts? A water source heat pump is a type of heat pump that transfers heat between a water source and an indoor space. The heat pump works by exchanging heat between the two sources, drawing energy from the water source and transferring it to the indoor environment. This type of system is highly efficient and cost-effective, providing a reliable and efficient way to heat and cool a home or building. The parts of a water source heat pump system include the heat pump, a refrigerant circuit, a water source, a fan, and insulation. The heat pump is the main component of the system, transferring heat from the water source to the indoor environment. The refrigerant circuit helps to circulate the heat, and the fan helps to move the heat around the room. The water source is usually a lake, stream, or pond, and the insulation helps to maintain the heat in the home or building. All of these components work together to provide efficient and