The Shark NV501 Vacuum Cleaner has a four out of five-star rating from Good Housekeeping and an 8.0 out of 10.0 from CNET. The vacuum also has a mainly positive review from Consumer Search, with its only flaw being that it topples when the hose accessory is extended.
Good Housekeeping gives the vacuum a good review because of its washable filter, easy-to-empty container and quietness while in use. It also works well at cleaning both carpet and hardwood floors. CNET gives the vacuum high marks because of its versatility and the many attachments that come with it. Consumer Reach praises its strong suction power and easy maneuverability.