This Hisense air conditioner is an inverter type using R32 refrigerant. Available in capacities of 1HP, 1.5HP, 2HP and 2.5HP (models AN09 and AN12 are specifically mentioned, implying they are among these capacity options), it features auto-clean functionality. The inverter technology provides energy efficiency and quieter operation compared to non-inverter models. Being R32 refrigerant based it has a low global warming potential.