The TCL inverter air conditioner is by far the most energy efficient. It is more economical and smooth in operation than the fixed speed air conditioner. It consumes less electricity due to its variable speed compressor, and is a lso good for the environment. With additional feature of gold plated aluminum louver fins that prevents and withstands extreme rusting and corrosion through their unique hydrophilic properties thus avoiding water and dust particles forming in the condensor which allows efficient air-flow