Most proucts from Vornado, including the Premium Series Circulator shown above, are known as "Whole Room Circulators." Vornado talks quite a bit about whole room circulation. As the name implies, the Vornado has the unique ability to circulate not the air just in front of the fan- but all of the air in the room. Because heat rises, and because doors and windows can create massive temperature changes in certian areas of the room, Whole Room Circulation makes a big difference. By mixing...