What is a mini split? This question continues to be asked ever since the ductless air conditioner was first introduced to the masses in the early 1970s.

A ductless mini split air conditioner is an air conditioning system that spares you the expense and stressful installation of ductwork. These ductless air conditioners come in two pieces: an indoor air handler and outdoor condenser unit. These two air conditioner components (connected by small electrical and refrigerant lines) pass through a three-inch hole in the exterior wall.