Comfort Series Packaged 13 SEER Hybrid Heat System Model: 48SZ Gas Warmth Teamed With Money-Saving Heat Pump An economic home comfort system that heats your home with an electric heat pump, then turns on the efficient gas furnace as the weather turns cold. Ratings Energy Efficiency Humidity Control Durability 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 76 dB (quiet as a dishwasher) Uses Hybrid Heat Thermostat 10-year limited warranty on heat exchanger 5-year limited warranty on compressor 5-year limited warranty on entire unit

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