Electronic Temperature LimitingPrevents Expensive Over-Cooling Or Over-Heating Of The Room Electronic Touch Controls With Led Display R-410A Refrigerant Smc Base Pan Simplified StructureEasy To Maintain And Service Cooling Capacity11.900 Btu Energy Efficiency11.6 Eer Dehumidification3.7 Pints/Hour Reverse Heat Cycle10.500 Btu Heat Pump Efficiency3.6 Cop Indoor Fan Cfm (High/Low)449/300 Fresh Air Vent Cfm (Fully Open High Fan)45 Quiet OperationBaked-On Mastic Sound Barrier. Cross Flow Blower And Two Dc Fan Motors Create Less Noise To Ensure Comfort Corrosion ResistantExtends Life Of The Unit In Sea Coast Areas/Corrosive Environments Heat & Freeze SentinelsKeeps The Room From Overheating Or Freezing Boost Heat OptionProvides Supplemental Resistance Heat In Heat Pump Mode