Our strongest and best available air conditioner covers up to 42 square meters and is equipped with a WWS24G8HI model from White Westinghouse which provides 21,000 Btu cooling power. The rotary compressor also ensures tremendous power to maintain an ideal temperature in your room, while the entire surrounding environment remains cool, to suit you. The WWS24G8HI model received a Class D energy rating as a highly energy efficient AC from White Westinghouse.