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BMS Controls Glossary

Mini Split Inside Unit

A mini split inside unit is a type of air conditioning system that is used to cool a single room or zone in a home or office. It consists of two parts: an outdoor condenser unit and an indoor air handler. The outdoor unit is installed outside the building and contains the compressor, condenser coil, and expansion valve. The indoor unit is mounted on the wall or ceiling inside the room and contains the evaporator coil, fan, and air filter. The two units are connected by refrigerant lines that run through a small hole in the wall. The indoor unit is controlled by a remote control or wall-mounted thermostat, and the outdoor unit is controlled by the same thermostat. Mini split inside units are energy efficient and can be used to cool individual rooms or zones in a home or office, providing targeted cooling to areas that need it most. They are also relatively quiet and can be installed without extensive ductwork, making them a great choice for retrofitting older homes or offices.