100% Heating Capacity at 5° F (-15° C)* Up to 25.0 SEER cooling efficiency Up to 12.0 HSPF heating efficiency Capacity sizes ranging from 9 to 36 BTUs Variable Speed (Inverter) Compressor Factory installed Crankcase Heater Base pan heater Low voltage controls Auto-restart function Condenser high temp protection Refrigerant leakage detection Compact footprint Improved outdoor serviceability Quiet operation Line lengths 82-164 ft. depending on unit capacity and system configuration 46° F heating mode (heating setback) 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration1 Connectable units: 619PB (high wall), 619RC (cassette), 619RD (ducted), 619RF (floor console) 1 If properly registered within ninety (90) days after original installation, parts are warranted to the original purchaser for a period of 10 years. Otherwise, parts warranty is 5 years. For other applications a 7-year parts and 7-year compressor limited warranties apply. See warranty certificate for details. * Sizes 9-24 (208/230V). Dependent upon indoor unit combination.