* Infinity™ 15 * Packaged Air Conditioner and Gas Furnace System * with Puron® Refrigerant (R-410A) * 2 - 5 Nominal tons STANDARD FEATURES System compatible with Infinity™ Controls only Stainless steel heat exchanger Puron® refrigerant, an environmentally sound refrigerant Up to 15.5 SEER, up to 12 EER at 95°F OD and AFUE of up to 80.1% Built-in Thermostatic Expansion Valve (TXV) improves overall efficiency Three panel access for ease of installation and serviceability Variable-speed, direct-drive Indoor Blower is standard on all models Envirotuff™ rust-proof base with integrated drain Easily converts to down discharge Listed by UL and UL-Canada and all sizes Energy Star® approved Induced-draft combustion and venting Vertical condenser fan discharge Automatic electric pilot ignition Sound ratings as low as 72 dBA Crankcase heater standard on all models Copper tube/aluminum fin Condenser and Evaporator Coils Louvered Grille, Pressure Switches and Filter Drier NOx-approved units (48XLNA) Two-stage Scroll Compressor Two-stage gas heat