Panasonic air conditioners have excellent energy efficiency with the use of energy-saving Inverter technology and environmentally friendly R32 refrigerant. Panasonic's Inverter technology uses a micro-computer with gentle yet powerful compressor to precisely control temperature, providing a balanced comfort level while consuming less energy. R32 refrigerant is an excellent heat transfer medium with a higher cooling capacity. Its low global warming potential helps to lower carbon footprint and reduce energy costs. A smarter, greener choice with energy-saving technologies for a sustainable living.