1st European Compliant Heat and Cool AC Latest Powerful Generation-10 Inverters Energy Efficient Class A+ (Up to 60% Electricity Saving) Eco Friendly Refrigerant R410A Ultra Low Frequency Torque Control State-of-the-art High Speed DSP Chip Precise Temperature Control Faster Cooling And Heating Fire Proof PCB Intellegent Defrost I-Feel Ceiling Cooling and Floor Heating System Power Factor Correction Technology Upt to 99%