Product review (5 stars): Excellent Value. Shopping On Amazon Was a Great Experience!!
"Just installed a 5-burner Bosch cooktop and added the Whirlpool Downdraft Ventilation System. I would definitely recommend this product to someone, it has PLENTY of power to move the heat/air from your cooktop area to your chosen vented space outside. It has a dial on the side that lets you control the speed of the fan. With 1 touch the unit rises from out of the countertop to function then when done, push the button again and it retracts back down into the countertop where it is a smooth flush surface. For the price, you can't beat it."