DUAL Inverter Compressor LG’s DUAL Inverter Compressor™ solves improper, ineffective and noisy problems, resulting in an air conditioner that cools faster, lasts longer, and runs quieter. With the 2 year warranty on the compressor, users can enjoy the benefits of LG air conditioner for a longer period of time Style and technology come together in LG split air conditioner units. Boasting innovative features like allergy reduction filters; our split air conditioners offer a sophisticated way to cool your space. Energy Saving Advanced heat exchanger, air outlet, compressor, and inverter technology provides the world's highest energy efficiency.