Horizontal/ Vertical type Air Curtain System is installed on door and forms invisible and continuous flowing air curtain that at one point helps in preventing escape of conditioned air. The Air Curtain System also restricts entry of outside humid, hot and polluted air, thus avoiding overrunning of air conditioners. The Air Curtain System is aerodynamically designed air blower that can generate laminar air stream with sufficient quantity [CFM] as well as speeds [velocity] to offer desired environment protection in areas having open doorways or service hatches. Horizontal/ Vertical type Air Curtain System assists in maintaining complete cleanliness and hygiene for longer period of time.