The definition of a mini split outside is a type of air conditioning system that is used to cool or heat a single room or multiple rooms in a building. It is a ductless system, meaning that it does not require any ductwork to be installed. Instead, it consists of an outdoor condenser unit and one or more indoor air handlers, which are connected by refrigerant lines. The outdoor unit contains the compressor, condenser coil, and fan, while the indoor air handlers contain the evaporator coil, fan, and controls. The mini split outside system is a great option for those who want to cool or heat a single room or multiple rooms without the need for extensive ductwork. It is also an energy-efficient option, as it only cools or heats the rooms that are being used, thus reducing energy costs. Additionally, it is a relatively easy system to install, making it a great choice for those who are looking for an efficient and cost-effective way to cool or heat their home.