24ANA7 Performance Efficiency Up to 17 SEER Warranty 10-year limited compressor 5-year limited parts Energy Star® Details As an Energy Star partner, Carrier Corporation has determined that the Infinity™ 17 air conditioners that achieve system combinations of 14.0 SEER and 11.5 EER or higher meet the Energy Star guidelines for energy efficiency. Sound Quiet Level As low as 72 dB Features compressor Blanket Controls Controls Supported Second generation Infinity Control ThermidistatTM Diagnostics Infinity 23 point Technology Refrigerant Puron® Refrigerant Compressor Two-stage reciprocating Cooling Capacity (tons) 2, 3, 4, 5 Pressure Switches High and Low Aesthetics Protection WeatherArmor Ultra Construction Heavy gauge galvanized steel Paint Powder-coated, baked-on Coil Guard Steel louver coil guard