Carrier Air Conditioners 24VNA6Up to 26 SEER 24VNA9Up to 19 SEER 24ACB7Up to 17 SEER 24ACC6Up to 16 SEER 24APB6Up to 17 SEER 24AHA4Up to 14 SEER 24ABC6Up to 17 SEER 24AAA5Up to 17 SEER 24ACC4Up to 14 SEER 24ABB3Up to 13 SEER 24ACA4**CUp to 14 SEER