multi split type air conditioner carrier alpha inverter wall mounted lg 2 0 hp split type dual inverter mr aircon residential s daikin air conditioner 0 5 hp wall mr aircon residential s l g 1 5hp dual inverter split type air split type inverter aircon brands 13 est split type inverter aircon 2 5hp split type aircon envirocool split type aircon installation lg dual inverter split type aircon split vs window type aircon