A split air conditioner unit is a type of air conditioning system that consists of two separate components: an indoor unit and an outdoor unit. The indoor unit is typically installed inside the home, while the outdoor unit is installed outside the home. The two units are connected by refrigerant lines, which allow the refrigerant to flow between the two components. The indoor unit is responsible for cooling the air, while the outdoor unit is responsible for removing the heat from the air. Split air conditioner units are a popular choice for many homeowners because they are more energy efficient than traditional air conditioning systems, and they can be installed in a variety of locations. Additionally, split air conditioner units are relatively easy to install and maintain, making them a great choice for those who are looking for an efficient and cost-effective way to cool their home.