olystar 1HP Window Air Conditioner PV-9W has a durable build, it is very efficient and reliable too. It also delivers top performance at all times with its powerful cooling and odor-removing functions. The Window Unit Air Conditioner is not in the class of regular Air Conditioning Systems. Featuring 1 horse power performance capacity, it easily removes any micro contaminants from the air. Your homes and offices are guaranteed of a refreshing and appealing ambiance.