Description Technical Specs 4 Ton Rheem 14.3 SEER2 Dual Fuel Heat Pump 100K BTU System RP14AZ48AJ2N, RCFZ4821STANM, R801V1005A21UHSWant to learn more about SEER2 - Click Here RP14AZ Technical SpecificationsR801V Technical SpecificationsRCFZ Technical Specifications