The Bosch Inverter Ducted Split system provides supreme-efficiency and custom comfort by adjusting operating speeds rather than a simple on/off control like traditional units, in turn reducing operating costs and saving you money. The robust and durable design of the units are made with the Bosch quality you’ve come to expect and deserve. The system’s intelligent features work in synchrony with your thermostat to automatically learn your preferences, while on-board integrated sound dampening features keep the system whisper quiet for your peace of mind. Consume Only the Energy You Need with the Modulating inverter system the will deliver only the amount of hot or cool air needed to achieve the desired temperature – no more, no less. With an 18 SEER rating and 9.5 HSPF, the Inverter Ducted Split system can provide you with maximum comfort levels at a minimum cost.