Infinity Series Packaged Heat Pump Models: 50DT Ratings Energy Efficiency Humidity Control Durability Key Features Up to 15 SEER models Up to 12 EER 8.0 HSPF 15 SEER and 14 SEER models are Energy Star approved Puron® Refrigerant 2-5 tons cooling capacity; 40,000-130,000 heating capacity As low as 72 dB (quiet as a vacuum) 2-speed scroll compressor on 14 SEER model high pressure and loss of charge switches Envirotuff™ rust-proof base with integrated drain Louvered grille Uses Infinity™ Control for precise comfort settings Infinity diagnostics 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 Heat Pump Models: 50XZ Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER 11 EER 7.7 HSPF Puron® Refrigerant As low as 72 dB (quiet as a vacuum) Scroll compressor High pressure and loss of charge switches Louvered grille Uses Thermidistat™ control to control humidity and temperature 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 Heat Pump Models: 50SZ Ratings Energy Efficiency Humidity Control Durability Key Features 13 SEER 7.7. HSPF As low as 76 dB (quiet as a dishwasher) Uses standard thermostat Loss of charge switch Scroll compressor R-22 Refrigerant 5-year limited warranty on entire unit Click here to read more.

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