['Best Overall: Hoover Power Scrub Deluxe Carpet Cleaner Machine. ... ', 'Best Portable: Bissell Little Green Portable Spot and Stain Cleaner. ... ', 'Fastest Drying: Hoover Smartwash Automatic Carpet Cleaner. ... ', 'Best for Pet Hair: Bissell ProHeat 2X Revolution Pet Pro Full-Size Carpet Cleaner.']