With proper amount of ventilation and properly installed, there should be no affect on the attic insulation in your home.
QuietCool Trident Pro X
The Trident Pro line of QuietCool Advanced Whole House Fans was first introduced in 2014 and is an evolution of the Original QuietCool Classic line. The Trident Pro line offers the best initial value in the Professional Series. QuietCool Trident Pro is one of two lines that make up our Pro series which are only available for licensed contractors.