Comfort and build
Aesthetic design and finish
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.0
Design impressions were mildly positive, with one reviewer describing the machine as fairly compact and sleek for a carpet cleaner.
Build quality and durability
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.3
Build quality evidence was split, with one reviewer praising a high-quality feel and another criticizing plastic-on-plastic construction.
Controls and connectivity
AI, Smart, App and Automation
Hoover Smartwash Automatic Carpet Cleaner Machine
4.5
Automation was praised when it worked because it reduced guesswork in mixing, spraying, washing, and drying.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Performance
Airflow blowback
Hoover Smartwash Automatic Carpet Cleaner Machine
4.0
Airflow blowback evidence was positive in a comparative drying explanation, where upward airflow toward the brushes helped drying performance.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Noise level
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.0
Noise drew a clear complaint in one review, which found the Shark noticeably louder than a comparison vacuum.
Self-cleaning cycle
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.3
Self-cleaning evidence was mixed: the hose-cleaning function was praised, but another review said the machine could use a true self-clean function.
Other features
Carpet — High-Pile Pickup
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.5
High-pile or thicker-rug evidence was limited and negative, based on a cited customer complaint that it struggled on a thicker rug.
Carpet — Medium-Pile Pickup
Hoover Smartwash Automatic Carpet Cleaner Machine
4.5
A medium-pile carpet test was positive, with the reviewer calling the stain performance far better than average.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Clogging and debris prevention
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
5.0
Hair and debris clog prevention was praised in HairPro reviews, with no-clog suction and no hair wrapping reported.
Cord management
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Cord management had limited positive evidence, with onboard storage keeping components together.
Hair-removal channel issues
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.9
Hair-removal channels were mixed: the hair cage was praised, but another reviewer struggled to remove clumps from a narrow cover.
Kid-friendliness
Hoover Smartwash Automatic Carpet Cleaner Machine
5.0
Kid-friendliness was supported by one owner who said even kids could use it because the controls were not confusing.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Odor control
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.9
Odor control evidence was positive, with reviewers noting fresh-smelling rugs and no lingering pet stains or odor.
Onboard tool storage
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.8
Onboard storage was a standout convenience, with reviewers praising the hose, tools, and storage tray staying with the machine.
Packaging quality
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.8
Packaging feedback conflicted: one review praised eco-friendly packaging, while another noted substantial plastic waste.
Storage footprint and upright-stand stability
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.5
Storage was a repeated drawback, with reviewers calling the machine bulky and better suited to homes with more storage space.
Suitability for small spaces
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.1
Small-space suitability was mixed to weak: one reviewer liked the smaller footprint, while others warned it was bulky or clunky.
Surface safety with attachments
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.2
Attachment surface safety had limited but positive evidence from a reviewer who appreciated gentler silicone nubs on the handheld tool.
Wool carpet compatibility
Hoover Smartwash Automatic Carpet Cleaner MachineNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
1.5
Wool compatibility was a clear limitation in one review, which said the cleaner was not suitable for wool carpets.