A split heat and air unit is a type of HVAC system that is used to provide both heating and cooling to a space. It is composed of two separate units: an outdoor condenser and an indoor air handler. The condenser is responsible for cooling the air, while the air handler is responsible for heating it. The two units are connected by refrigerant lines, which allow the refrigerant to flow between them. This type of system is beneficial because it allows for greater energy efficiency and better control over the temperature in the space. Additionally, it is easier to install than a traditional central air system, as the two units can be placed in different locations. Split heat and air units are a great option for those looking to upgrade their HVAC system.