The 533 Vornado compact circulator uses signature energy efficient Vortex Action to move air up to 70 feet, providing whole room air circulation. Despite itâ??s small size, the 533 is more powerful than an 18 commercial fan! Its compact size makes it ideal for use in an office, dorm room, or cubical. Available with a 3-speed control. Evens room temperature, eliminating hot and cold spots. 3 speed control to adjust airflow from whisper quiet to a powerful high setting for quick room circulation. Allows you to raise your thermostat up 5 degrees in the summer and maintain the same level of comfort, saving in excess of $50 per year!