What Is a Ductless Air Conditioner? Also referred to as mini-split AC systems, ductless air conditioners are comprised in an outside condenser unit and at least one indoor air handler. Contrary to conventional central AC systems, they do not require ductwork. This makes ideal for home or places where ducts can be difficult to put in or efficient energy use is the major priority. K... https://thecoolcrew.cool/ductless-ac-installation/