The HISENSE AIKAGS/AITUGS series are inverter air conditioners using R32 refrigerant. Available in capacities from 1.0HP to 2.5HP. The 'Expert Inverter' models (likely AITUGS) are rated 5 stars for energy efficiency, implying they are highly energy-saving. These air conditioners are designed to provide efficient and reliable cooling with advanced inverter technology, potentially offering features such as smart control, quiet operation and various operating modes.