The Hisense AN-DBG Series is a standard, non-inverter wall-mounted air conditioner utilizing R32 refrigerant. Being a non-inverter model, it operates at a fixed speed, providing consistent cooling or heating. The R32 refrigerant is environmentally friendly, offering a lower global warming potential compared to older refrigerants. This series is designed for basic cooling/heating needs and efficient operation, making it a cost-effective solution for maintaining a comfortable indoor environment.