Inverter Compressor constantly adjusts a compressor’s speed to maintain desired temperature levels. Moreover, Dual Inverter Compressor™ with power saving operation range frequency saves more energy than conventional compressor. Thanks to the Dual Inverter compressor, air is expelled farther and faster.The air inside your home contains dust and allergens. These can lead to various respiratory problems as well as allergies. But LG air conditioners come with Double Filtration System to fill your home with clean and hygienic air.