9K=9000Btu=0.75TON=1P;12K=12000Btu=1TON=1.5P;18K=18000Btu=1.5TON=2P;24K=24000Btu=2TON=3P Other Air Conditioner Seletion: T1 or T3 working condition Inverter or Non-inverter model 110V/60HZ for North Amercia market 220V/60HZ for South Amercia market Q1...