GAS PACKAGE SYSTEMS STANDARDAmerican Standard Silver 14Duration Compressor10 Year Compressor Warranty10 Year Coil Warranty10 Year Parts Warranty10 Year Heat Exchanger Warranty SELECTAmerican Standard Gold 15High Efficiency Duration Compressor10 Year Compressor Warranty10 Year Coil Warranty10 Year Parts Warranty20 Year Heat Exchanger Warranty PRESIDENTIALAmerican Standard Platinum 16Two-Stage Duration Compressor12 Year Compressor Warranty10 Year Coil Warranty10 Year Parts Warranty20 Year Heat Exchanger Warranty