24APA5 Performance Efficiency Up to 15 SEER Warranty 10-year limited compressor standard 5-year limited parts Energy Star® Details As an Energy Star partner, Carrier Corporation has determined that the Infinity™ 15 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 68 dB Features Silencer System II Controls Controls Supported Infinity ThermidistatTM Diagnostics Infinity 14 point Technology Refrigerant Puron® Refrigerant Compressor Scroll Cooling Capacity (tons) 1.5 - 5 Pressure Switches High and Low Aesthetics Protection WeatherArmor Ultra Construction Galvanized steel Paint Powder-coated, baked-on Coil Guard Steel louver coil guard