The Ultra Series ventilation fans offer fast, easy installation that can save contractors time and money. Each product features ULTRA Quick installation with easy snap-in housings and blowers. Installation is up to 60 percent faster in retrofits and up to 20 percent faster in new construction than comparable fans. Cost: $247 to $435. Broan-NuTone. 800-558-1711. www.broanultra.com.