Infinity Series 13 and 14 Packaged Gas Furnace and Air Conditioner Models: 48DU Ratings Energy Efficiency Humidity Control Durability Key Features Up to 14 SEER 11 EER 8.0 HSPF Up to 81% AFUE 14 SEER model is Energy Star approved Puron® Refrigerant 40,000-130,000 heating capacity 2-5 ton cooling 72 dB (quiet as a vacuum) 2-speed scroll compressor Includes stainess steel heat exchanger High pressure and loss of charge switches Corrosion resistant inducer assembly with stainless steel shaft Uses Infinity Control for precise comfort settings Louvered grille Infinity™ diagnostics IdealHumidity® for enhanced air quality, better dehumidification Uses Thermidistat™ control Limited lifetime warranty on stainless steel heat exchanger 10-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more. Performance Series Packaged Gas Heat/Electric Cool System Models: 48XP Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER 11 EER Up to 81% AFUE Puron® Refrigerant As low as 72 dB (quiet as a vacuum) 2-speed scroll compressor High pressure and loss of charge switches Built-in Thermostatic Expansion Valve Corrosion resistant inducer assembly with stainless steel shaft Louvered grille Uses Thermidistat™ control to control humidity and temperature IdealHumidity® for better air quality, improved dehumidification 15-year limited warranty on aluminized heat exchanger; limited lifetime warranty on stainless steel heat exchanger option 10-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more. Comfort Series Packaged Gas Furnace and Air Conditioner Models: 48SD Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER 7.7 HSPF Up to 81% AFUE Corrosion resistant inducer assembly with stainless steel shaft Wire grille Galvanized steel cabinet As low as 75 dB (quiet as a dishwasher) Uses standard thermostat 10-year limited warranty on heat exchanger 5-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more.

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