The QuietCool Stealth Pro Series line is only available through installers. Outfitted with an ECM, Energy Saving Motor, they provide amazing energy saving as well as huge cost reduction on energy consumption. The Stealth Pro is one powerful fan, providing coverage of 1,478-6,996 cubic feet per minute for rooms/homes ranging from 439-3498 SQFT. Below you will find various QuietCool Stealth Pro models. Give us a call if you have any further questions!