A split air source heat pump system consists of two main units: an outdoor unit and an indoor unit. The outdoor unit contains the compressor and condenser, while the indoor unit houses the evaporator and air handler. This configuration allows for more flexible installation and efficient operation, as the indoor unit can be placed in a discreet location inside the home. Split systems extract heat from the outside air to provide heating in the winter and cooling in the summer, making them a versatile, energy-efficient, and environmentally friendly solution for maintaining a comfortable indoor climate year-round.