The QuietCool Trident Pro Series line is only available through installers. Powered by a PSC, Permanent Split Capacitor Motor, this is a powerful and affordable fan. Compared to its counterpart, QuietCool Stealth Pro, it slightly uses more watts. The Trident Pro provides CFM coverage ranging from 1,498-7015 cubic feet per minute for rooms/homes ranging from 499-2338 SQFT. Below you will find various QuietCool Trident Pro models. Give us a call if you have any further questions!