 You know, I tell everyone about my quiet, cool, whole house fan from QC Colorado because I want them to save on AC, like me, up to 90%. That alone will pay for it in no time. I'm consumer advocate Tom Martino. Let's talk about even more benefits, like clearing out indoor pollution in exchange for fresh, cool air circulated from bottom to top and out through the attic quietly, efficiently. That's QCColorado.com.