What is the definition of a mini-split air conditioner? A mini-split air conditioner is a type of cooling system that is often used in homes and businesses that do not have access to a central air conditioning system. It is also referred to as a ductless air conditioner or a split air conditioner. Mini-split air conditioners are comprised of two main parts, an outdoor compressor and one or more indoor air handlers. The outdoor compressor is responsible for compressing the refrigerant and sending it to the indoor units, while the indoor units distribute the cooled air throughout the room. In comparison to traditional air conditioners, mini-split air conditioners are much more energy efficient and cost effective. They also allow for more individualized temperature control throughout a home because each unit can be controlled independently. Additionally, mini-split air conditioners are much quieter than traditional air conditioners, making them an ideal cooling system for homes and businesses. Installation is also relatively easy and can