The Super quiet feature of the Lg Airconditioner range of units has achieved the worlds lowest noise levels making the residential airconditioning units perfect for your home. Also featuring the Dual Protection Filter making the airconditioning unit easy to clean and maintain. The Inverter 9 airconditioner also boasts a stop and start compressor, cooling or heating a room very quickly. The unit immediately starts slowing down the compressor once a constant temperature is achieved, thus saving you energy. This airconditioner is the Ultimate Technology and Ultimate Energy Saving airconditioner in the world.