BEST Internal iQ Blower System™. Intelligent, quiet and energy efficient. State of the art iQ blower system offers operational flexibility based on your unique installation, delivering up to 30% faster smoke removal. Whether optimizing duct runs in a new home or dealing with the challenges of an existing installation, the iQ Blower System™ delivers greater performance than other high performance hoods with standard blowers, regardless of the mode in which you use it Full-rated performance from the iQ Blower System™ is assured with Guaranteed Performance System (GPS) Technology. Choose from two iQ Blower System™ options to handle the rigorous needs of cooktop and range performance requirements.