Gree GS-12FITH7S Inverter Air Conditioner 1st European Compliant Heat and Cool AC,nLatest Powerful Generation-10 Inverters,nEnergy Efficient Class A+ (Up to 60% Electricity Saving),nLow Voltage Startup ? 150V, Ultra-Low Frequency Torque Control,nState-of-the-art High-Speed DSP Chip