Goodman Furnace Product Features Aluminized-steel dual-diameter tubular heat exchangerTwo-stage gas valve with Dual$averâ„¢ technology Durable 110-voltSilicon Nitride Igniter Electronic control board with self-diagnostics and provisions for a humidifier and electronic air cleanerAll models comply with California NOx emissions standardsFully insulated, heavy-gauge steel cabinet with durable baked-enamel finish Goodman A-C and Heat Pump Product FeaturesHigh-efficiency scroll compressorR-410A chlorine-free refrigerantHigh- and low-pressure switchesFactory-installed liquid line filter drier Copper tube / enhanced aluminum fin coil850 RPM condenser fan motorService valves with sweat connections and gauge portsLouvered sound control top for quiet operationHigh-quality compressor sound blanket Contact Us