What is the definition of a Mini Splits HVAC? A mini split HVAC system, also known as a ductless mini split, is an air conditioning system that uses an outdoor condenser, an indoor evaporator, and a single or multiple ductless indoor units. It works by transferring heat from the inside of the home to the outside and vice versa. The mini split HVAC system uses a smaller amount of energy compared to other types of heating and cooling systems, making it a great option for those looking to save on their energy bills. The mini split HVAC system is ideal for those who live in areas with limited space or those who want to avoid having to install ductwork. With the mini split system, you are able to control the temperature in specific areas of your home, such as bedrooms, living rooms, and offices. It is also a great option for those who want to maintain a consistent temperature throughout their entire home. The system uses a compressor