© 2000 by Whole House Fan Installers

This is a video sound test of the Quiet Cool 2.5 Stealth Pro x while the fan is running on low and high speed.  This whole house fan covers up to a 1280 SQ FT home. 
Hi: 157 Watts / Low: 82.3 Watts Energy Use
Hi: 2541 CFM / Low: 2018 CFM Air Flow

Quiet Cool Stealth 3.3 Whole House fan 

This is a sound test video of the Quiet Cool Stealth 3.3 Pro X whole house fan we installed in Temecula, Ca. 
The 3.3 is a great little fan which covers up to 1580 SQ FT
Hi: 264 Watts / Low: 74.6 Watts  Energy Use
Hi: 3159 CFM / Low: 1980 CF Air Flow

 

Quiet Cool Stealth 4.8 Whole House fan 

This video is a quick sound test for two 4.8 stealth whole house fans wired into one switch control. Covers up to 2140 SQ FT
Hi: 408 Watts / Med: 225 Watts / Low: 73.9 Watts  Energy Use
Hi:4280 CFM / Med:3500 CFM / Low:2361 CFM  Air Flow

Whole house fan installers put this dual unit system in Riverside, Ca. 

Quiet Cool Stealth 5.5 Whole House fan 

This is a sound test video on the stealth 5.5 pro x whole house fan by Quiet Cool. Covers up to 2530 SQ FT
Hi: 490 Watts / Med: 268 Watts / Low: 88 Watts  Energy Use
Hi:5044 CFM / Med:4238 CFM / Low:2870 CFM  Air Flow
This unit was installed by the experts at whole house fan installers in Riverside, Ca. 

Quiet Cool Trident 5.5 Whole House fan 

This is a sound test video of the Trident 5.5 pro X whole house fan by Quiet Cool.  Covers up to 2540 SQ FT
Hi: 632 Watts / Low: 522 Watts  Energy Use
Hi: 5068 CFM / Low: 4438 CFM  Air Flow