Infinity Series Packaged Air Conditioners Models: 50DU Ratings Energy Efficiency Humidity Control Durability Key Features Up to 15 SEER 15 SEER and 14 SEER models are EnergyStar approved Puron® Refrigerant 72 dB (quiet as a vacuum) Uses Infinity Control for precise comfort settings Infinity diagnostics Variable speed blower 2-speed scroll compressor on 14 SEER model Rust-proof base pan with integrated drain High pressure and loss of charge switches Louvered grille IdealHumidity®for improved air quality, better dehumidification 10-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more. Performance Series Packaged Air Conditioner Models: 50XP Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER 8.0 HSPF Puron® Refrigerant As low as 72 dB (quiet as a vacuum) Variable speed blower Scroll compressor High pressure and loss of charge switches Uses Thermidistat™ control to set humidity and temperature Louvered grille IdealHumidity® for improved air quality, better dehumidification 10-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more. Comfort Series Packaged Air Conditioner Models: 50SD Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER Rust-proof base with integrated drain Scroll compressor R-22 Refrigerant Uses standard thermostat As low as 75 dB (quiet as a dishwasher) 5-year limited warranty on compressor 5-year limited warranty on entire unit Click here to read more.

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