The Platinum 19 AccuComfort™ variable speed, side discharge heat pump with ratings up to 19.00 SEER2/9.00 HSPF2. Available in 2-, 3-, 4- and 5-ton models, this unit was designed to meet the dimensional requirements for Zero Lot line applications and features a Duration™ Variable Speed inverter-driven compressor, a swept fan blade, and AccuLink™ capability for industy leading efficiency and performance.