Affinity™18 SEER Split System Heat Pumps Model: YZH Key Features: Up to 18 SEER efficiency 7 designer colors to complement your home's exterior Durable, powder-painted steel to withstand the elements Environmentally Friendly Refrigerant R-410A (R410A) York QuietDrive™ System for quieter operation and energy efficiency Warranty: Compressor - 10 Years Limited* Other Parts - 10 Years Limited* * In order to receive the 10-year parts and compressor warranty, all qualifying products must be installed on or after May 1st, 2009 and registered online within 90 days of the installation date. If this requirement is not met, the warranties will default to the standard warranties as documented on the product warranty certificates. Additionally, R-22 and 3-phase models do not qualify for the 10-year warranty.   Consumer Brochure - Affinity™ Series Air Conditioner & Heat Pump Family Affinity™ Up to 18 SEER Split System Heat Pump Model: YZE Key Features: Up to 35% utility savings Controls set for your climate Insulated cabinet for quiet R-410A (R410A) refrigerant Warranty: Compressor - 10 Years Limited* Other Parts - 10 Years Limited* * In order to receive the 10-year parts and compressor warranty, all qualifying products must be installed on or after May 1st, 2009 and registered online within 90 days of the installation date. If this requirement is not met, the warranties will default to the standard warranties as documented on the product warranty certificates. Additionally, R-22 and 3-phase models do not qualify for the 10-year warranty. Consumer Brochure - Affinity Series Heat Pump Latitude® Series High Efficiency Split System Heat Pump Model: ERD Key Features: Up to 25% utility savings Fits narrow locations Quiet performance Warranty: Compressor - 5 Years Other parts - 5 Years