Quiet Cool ES-6000 RF Whole House Fan

The QC ES-6000 RF uses a unique, patented design that uses an acoustical duct attached to an R5 damper box. The result is almost zero noise vibration and whisper quiet operation. As well, the QC ES-6000 RF uses the innovative ECM energy saver motor that uses hardly any power while moving extreme amounts of air. The QuietCool QC ES-6000 RF is designed to be installed centrally in large homes. Simply open a window when you get home from work, flip on the QuietCool and enjoy a peaceful and cool evening relaxing.The motor on this whole house fan hangs from the rafters in the attic with a small ceiling cut-out for the air intake grille (14 in. x 36 in. ceiling cut-out). This whole house fan will cover 1859 to 2788 square feet based on the recommendation of moving 2 CFM per square foot.Installation is simple with no framing or joist-cutting required (fits 16 or 24 on-center). Generally speaking a basic installation should only take an hour or two. The R5 damper box at the ceiling level helps