This AUX air conditioner, available in the ASW-CAR3DI C Series and ASW-MER3DI M Series, is a 4/5-star energy-rated inverter type unit that uses R32 refrigerant. It comes in various horsepower options, including 1.0HP, 1.5HP, 2.0HP, and 2.5HP, suitable for different room sizes. The inverter technology provides energy efficiency and consistent cooling, while the R32 refrigerant is environmentally friendly with a lower global warming potential.