The ACSON REINO+ is a 5-star energy-rated inverter air conditioner utilizing R32 refrigerant, available in various horsepower options (1.0HP, 1.5HP, 2.0HP, and 2.5HP). The inverter technology ensures energy efficiency and consistent cooling performance. The 5-star rating signifies high energy savings, while the R32 refrigerant is known for its lower global warming potential compared to other refrigerants. The REINO+ model likely boasts enhanced features for user convenience and air quality.