Infinity Series Heat Pump Models: 38YDB Ratings Heating Efficiency Cooling Efficiency Quiet Level Key Features Puron® Refrigerant Up to 19 SEER Up to 9.5 HSPF Superior humidity and temperature control As low as 70 db Two stage compressors for ultimate comfort Infinity™ Control for maximum performance Silencer System II™ WeatherArmor Ultra™ System 10-year compressor limited warranty; 5-year parts limited warranty Click here to read more. Performance Series Heat Pump Models: 38YXA Ratings Heating Efficiency Cooling Efficiency Quiet Level Key Features Puron® Refrigerant Up to 14 SEER Up to 9.0 HSPF As low as 68 db Silencer System II™ WeatherArmor Ultra™ System Filter drier for longer product life 10-year compressor limited warranty; 5-year parts limited warranty Click here to read more. Comfort™ 10 Heat Pump - Model 38YKC Energy efficiency 10.0 SEER, 8.0 HSPF Freon 22® refrigerant Protected by Carrier's WeatherArmorTM coil guard 5 year parts limited warranty Read more about 38YKC

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