Average score
Bissell CrossWave Vacuum Cleaner
3.8
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.2
Odor control
Bissell CrossWave Vacuum Cleaner
2.9
Odor evidence was mixed: FreshStart/self-cleaning solution smelled good, but reviewers warned dirty parts can stink if not scrubbed.
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.
Storage footprint and upright-stand stability
Bissell CrossWave Vacuum Cleaner
4.5
Storage was considered a strength because reviewers found CrossWave units smaller, sleeker, and easier to store than bulkier alternatives.
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 heavy-duty use
Bissell CrossWave Vacuum Cleaner
2.3
Heavy-duty suitability was limited; reviewers saw CrossWave as useful for maintenance and deeper household messes, but not a replacement for professional or manual grout cleaning.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.2
Heavy-duty suitability was mixed, with strong results on old grime and pet messes but weaker confidence for very caked-on stains or primary upright use.
Streaking / Residue
Bissell CrossWave Vacuum Cleaner
4.7
Streaking and residue performance was generally strong, especially on wet messes, with several reviewers noting no puddles, no obvious streaks, or low mess.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.0
Streaking and residue feedback was mixed, with one reviewer seeing temporary streaks and another reporting remaining streaks in testing.
Suitability for small spaces
Bissell CrossWave Vacuum Cleaner
4.7
Small-space suitability was strong where reviewers mentioned condos, bathrooms, tight spaces, or easy steering around furniture.
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.
Accessories and Tools
Bissell CrossWave Vacuum Cleaner
3.3
Accessory feedback was mixed: one reviewer liked bonus brushes and solution, while others disliked the lack of extra rollers or cleaning brushes; HF3’s included tool was appreciated.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.6
The tool set was a major strength across reviews, with praise for the main brush, spot tools, pet tools, crevice access, and included accessories, aside from one mixed view of the StainStriker tool.
Floorhead design
Bissell CrossWave Vacuum Cleaner
3.2
Floorhead design drew mixed evidence: articulated smaller heads helped steering, while flat or closed-front designs hurt grout or large-debris handling.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Floorhead design drew praise for working well and opening up for brushroll access and cleaning.
Area Rug Handling
Bissell CrossWave Vacuum Cleaner
3.4
Area-rug handling was mixed: some reviewers liked rug cleaning, but others found it less ideal than hard floors or harder to push on carpet.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.6
Area rug handling was a major strength, with several reviewers reporting cleaner, fresher, or visibly improved rugs.
Maintenance requirements
Bissell CrossWave Vacuum Cleaner
3.1
Maintenance was one of the biggest tradeoffs: some parts were easy to rinse, but filters, tanks, brush drying, and post-use cleaning required frequent attention.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.2
Maintenance was generally praised as easy, especially tanks, tools, brushroll access, and hair cage cleanup, though some reviews noted narrow grime areas or extra filter parts.
Ongoing ownership costs (bags, filters, batteries)
Bissell CrossWave Vacuum Cleaner
3.5
Ownership cost evidence was mixed: solution and replacement costs can add up, though one review noted DIY solution could reduce expense.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.5
Ownership-cost evidence was negative because one reviewer expected the cleaning solution to run out quickly.
Dried-On Stain Removal
Bissell CrossWave Vacuum Cleaner
3.8
Dried-on stain performance was mixed: HydroSteam performed well, while original CrossWave-style units often needed extra passes or missed dried-on food.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.7
Most reviewers praised dried-on stain removal on wine, tea, mud, old upholstery stains, and pet messes, though test conditions varied.
Heating element
Bissell CrossWave Vacuum Cleaner
3.4
Heating evidence split by model: HydroSteam’s heat was praised, while the original CrossWave was faulted for lacking a heating element.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.5
The lack of a built-in water heater was a drawback in one review, especially considering price.
Maneuverability and Handling
Bissell CrossWave Vacuum Cleaner
3.5
Maneuverability varied widely: HF3 and smaller units were easy to steer, but CrossWave Edge and carpet use were criticized as harder to push or less agile.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.4
Handling was generally positive despite size, with reviewers calling it maneuverable or vacuum-simple in use.
Comparative performance
Bissell CrossWave Vacuum Cleaner
3.4
Comparative performance was highly context-dependent: Bissell often won on power or ease, but several newer competitors beat it on features, value, or ergonomics.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.3
Comparative performance was mixed: some reviews found it beat Bissell or HydroSteam models, while one lab-style review scored upright stain performance worse than average.
Price and Value
Bissell CrossWave Vacuum Cleaner
3.7
Value was split by model: the original CrossWave was praised as a budget pick, while newer or weaker variants were criticized when competitors offered more for less.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.6
Value sentiment was mostly positive, especially at lower sale pricing, though premium pricing and model choice affected the conclusion.
Clogging and debris prevention
Bissell CrossWave Vacuum Cleaner
4.2
Clog prevention evidence was limited but positive, with one HF3 comparison noting easy access to clean clogs.
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.
Build quality and durability
Bissell CrossWave Vacuum Cleaner
4.0
Build and engineering evidence was modestly positive, with reviewers calling the HF3 solid and the Bissell more engineered than a cheaper Hoover alternative.
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.
Hair Pickup — Carpets
Bissell CrossWave Vacuum Cleaner
4.5
Carpet hair pickup evidence was limited but positive from one home test where the CrossWave pulled hair and dirt from carpet.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.8
Carpet hair pickup was mixed: the HairPro model handled ingrained dog hair well, while another reviewer saw clumps after skipping dry vacuuming.
Hair‑Wrap / Tangle Resistance
Bissell CrossWave Vacuum Cleaner
4.3
Hair-wrap resistance was positive where mentioned, with reviewers noting little wrap and praising tangle-free brushroll designs.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
5.0
Hair-wrap resistance was excellent in HairPro reviews, with reviewers reporting no hair caught and a self-cleaning brushroll preventing wrap.
Suction and Airflow
Bissell CrossWave Vacuum Cleaner
4.2
Suction and wet pickup were often praised, especially on corded CrossWave and HydroSteam models, though some comparison evidence said competitors or the HF3 felt stronger in certain situations.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.9
Reviewers consistently praised the machine’s suction and extraction power, although one lab-style review separated strong suction from weaker upright stain results.
Emptying and Mess Control
Bissell CrossWave Vacuum Cleaner
4.2
Emptying and mess control were generally workable, with wide openings and debris catches helping, though some maintenance still remained.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.8
Emptying and mess control were praised repeatedly, especially the easy dirty-water tank, quick dumping, and separated hair cage.
Water tank
Bissell CrossWave Vacuum Cleaner
3.5
Tank feedback was mixed: larger corded tanks were appreciated, but small tanks on other models caused frequent refills, dumps, or faster formula use.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.0
Tank feedback was mixed to negative: some reviewers found the smaller tank manageable, while others complained about frequent refills, low capacity, or added weight when full.
Fresh Liquid Pickup Speed
Bissell CrossWave Vacuum Cleaner
4.8
Fresh-liquid pickup was a strength, with reviewers praising spill cleanup, wet-mess pickup, and liquid recovery without obvious residue.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.4
Fresh spill and liquid pickup was generally strong, with praise for visible suction and fast removal, though one lab review found broader upright results uneven.
Overall opinion
Bissell CrossWave Vacuum Cleaner
4.0
Overall opinion ranged from very positive on the original, corded, HydroSteam, and HF3 models to poor for one CrossWave Edge-style comparison and one Walmart HF3 review.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.4
Overall opinion leaned strongly positive across most reviews, but one lab-style review was notably critical of upright carpet-cleaning performance.
Cord length
Bissell CrossWave Vacuum Cleaner
4.9
Cord length was a positive in home-use reviews, where reviewers liked the 25-foot cord for cleaning a room without replugging.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Cord length was positively reviewed in one source, where the extra-long cord made room navigation easier.
Solution / Liquid system
Bissell CrossWave Vacuum Cleaner
3.3
Solution-system feedback was mixed: manual triggers gave control, but solution consumption, no dwell time, small tanks, and missing separate or automatic dosing were drawbacks.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.6
The liquid and solution system was divisive: several reviews praised the oxy or dual solution boost, while others found solution use high or saw little difference from Shark’s formula.
Controls and UI
Bissell CrossWave Vacuum Cleaner
3.9
Controls were generally easy to understand, with useful triggers, modes, LEDs, and indicators, though limited modes hurt the CrossWave Edge in one comparison.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.2
Controls and interface were mixed: reviewers liked instructional stickers and automatic spray/extract behavior, but one found hose setup confusing.
Ease of use
Bissell CrossWave Vacuum Cleaner
4.3
Ease of use was generally strong for corded CrossWave and HF3 models, but weaker variants and maintenance-heavy use cases reduced the score in some reviews.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.6
Ease of use was one of the strongest themes, with reviewers repeatedly calling it easy, effective, agile, and intuitive.
Pet-Ready Features
Bissell CrossWave Vacuum Cleaner
4.8
Pet-related evidence was mostly positive, with reviewers praising dog-hair pickup and tangle resistance, while pet-specific tooling was framed as helpful for owners.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
5.0
Pet-focused reviews were highly positive, citing pet mess pickup, odor control, hair handling, and suitability for homes with animals.
Aesthetic design and finish
Bissell CrossWave Vacuum Cleaner
3.8
Design feedback was favorable but not central: reviewers called the HF3 stylish or nice-looking, with one less enthusiastic review qualifying the praise.
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.
Weight
Bissell CrossWave Vacuum Cleaner
3.3
Weight was split: HF3 was repeatedly praised as very light, while HydroSteam and CrossWave Edge were considered heavier.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.1
Weight feedback was mixed by model and context, with several reviewers finding it heavy or bulky but one noting it was lighter than larger competitors.
Self-cleaning cycle
Bissell CrossWave Vacuum Cleaner
3.5
Self-cleaning was mixed: push-button systems were convenient and helped prevent buildup, but one reviewer called the new corded cycle just okay and another said HF3 self-clean disappointed.
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.
Innovation compared to competitors
Bissell CrossWave Vacuum Cleaner
4.6
Innovation evidence credited the original CrossWave with helping start the vacuum-mop category, but newer models have since added more advanced features.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.8
Innovation evidence centered on onboard hose convenience and pet-focused HairPro improvements over earlier models.
Versatility
Bissell CrossWave Vacuum Cleaner
4.6
Versatility was one of the strongest themes, with reviewers repeatedly valuing the ability to vacuum, mop, handle hard floors, and sometimes address rugs in one machine.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.8
Versatility was a strength, with reviewers praising use across rugs, carpets, upholstery, spot cleaning, and routine maintenance.
Floor Drying Time
Bissell CrossWave Vacuum Cleaner
4.2
Floor drying was mostly positive, with reviewers reporting no wet socks, dry-back passes, quick evaporation, and fairly dry floors, though heat loss limited deep cleaning.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.3
Drying feedback was generally favorable but not unanimous, ranging from quick dry-to-touch results to average dryness in lab testing.
Noise level
Bissell CrossWave Vacuum Cleaner
2.0
Noise was a repeated drawback: reviewers described the CrossWave as louder than expected, louder than rivals, or quite loud at measured levels.
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.
Assembly and Setup
Bissell CrossWave Vacuum Cleaner
4.5
Assembly and setup were praised as simple, with reviewers saying the handle snapped together easily and the unit was straightforward to put together.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Assembly and setup were widely praised as simple, quick, or straightforward, with only minor friction around hose installation.
Overall durability/longevity
Bissell CrossWave Vacuum Cleaner
2.5
Durability evidence was limited and cautious, with one reviewer noting long-term value depends on whether the machine needs frequent replacement.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
2.5
Durability confidence was limited by one reviewer’s concern that competing Bissell models might last longer.
AI, Smart, App and Automation
Bissell CrossWave Vacuum Cleaner
1.8
Smart and automation evidence was mostly negative for the CrossWave Edge comparison, especially missing automatic solution dispensing.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Bin and Bag
Bissell CrossWave Vacuum Cleaner
4.1
Dirty-water collection drew positive comments when debris was easy to catch or dump, especially on HF3-style tanks with removable catches and wide openings.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Carpet — High-Pile Pickup
Bissell CrossWave Vacuum CleanerNo 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.
Cordless convenience
Bissell CrossWave Vacuum Cleaner
4.8
Cordless convenience was a clear HF3 strength, making the unit easier to maneuver and a grab-and-go option, though corded versions kept stronger power.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Cord management
Bissell CrossWave Vacuum CleanerNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Cord management had limited positive evidence, with onboard storage keeping components together.
Crevice / Groove Pickup (Hard Floors)
Bissell CrossWave Vacuum Cleaner
1.7
Crevice, corner, and grout pickup was weak overall; reviewers repeatedly said CrossWave struggled in corners and could not deep-clean grout lines by itself.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Debris illumination
Bissell CrossWave Vacuum Cleaner
3.4
Debris illumination was useful on models with LEDs, but one comparison found Shark’s LED placement better and another noted the Bissell Edge lacked a headlight.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Dirty water sensor
Bissell CrossWave Vacuum Cleaner
2.6
Dirty-water sensors were a recurring frustration when foam or water triggered shutoff before the tank seemed truly full.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Edge and Baseboard Cleaning (Hard Floors)
Bissell CrossWave Vacuum Cleaner
3.2
Edge and baseboard evidence was mixed: some reviewers liked edge access or baseboard reach, while others criticized corner trouble or single-edge cleaning.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Filtration / Dust Containment
Bissell CrossWave Vacuum Cleaner
4.0
Only one reviewer gave opinionated filtration evidence, saying the filter could help reduce household allergens.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Floorhead Seal on Hard Floors
Bissell CrossWave Vacuum Cleaner
4.6
The hard-floor seal was praised in one comparison because the soft brush could conform to larger debris without losing contact.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Hair-removal channel issues
Bissell CrossWave Vacuum CleanerNo 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.
Hair Pickup — Hard Floors
Bissell CrossWave Vacuum Cleaner
4.5
Hard-floor hair pickup was positive, especially with dog hair and bristled corded rollers, though the evidence focused on floor-level messes rather than upholstery.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Hard Floor — Fine Dust Pickup
Bissell CrossWave Vacuum Cleaner
4.7
Fine dust and dry hard-floor pickup were consistently positive where tested, with reviewers praising soft rollers and flawless dry pickup on hard floors.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Hard Floor — Large Debris Intake
Bissell CrossWave Vacuum Cleaner
3.8
Large debris results were mixed: several models handled cereal, shells, or wet chunks well, while closed-front or weaker designs pushed or left some pieces behind.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Headlight and LED lights
Bissell CrossWave Vacuum Cleaner
3.3
LED/headlight feedback was mixed: HydroSteam and Forbes evidence praised visibility, while one comparison said Shark’s lights were better and CrossWave Edge lacked headlights.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Hose length
Bissell CrossWave Vacuum CleanerNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.9
Hose length was mixed, with one reviewer impressed by it and another measuring it slightly shorter than average.
Low-profile design
Bissell CrossWave Vacuum Cleaner
2.9
Low-profile or slim design evidence was mixed: CrossWave’s skinny body helped bathrooms, but Edge-style lack of lay-flat capability hurt low-clearance cleaning.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Mopping performance
Bissell CrossWave Vacuum Cleaner
4.4
Mopping performance was broadly positive on hard floors, with reviewers praising clean, shiny floors and strong day-to-day results; grout and heavy-duty messes were exceptions.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Onboard tool storage
Bissell CrossWave Vacuum CleanerNo 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
Bissell CrossWave Vacuum CleanerNo 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.
Runtime
Bissell CrossWave Vacuum Cleaner
2.8
Runtime evidence was mixed by model: HF3 battery life was acceptable for normal rooms, while CrossWave Edge was criticized for having the lowest runtime in its comparison.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Sanitizing performance
Bissell CrossWave Vacuum Cleaner
4.6
Sanitizing evidence was limited to HydroSteam, where reviewers linked extra heat and steam to better sanitizing power.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Self-propel feature
Bissell CrossWave Vacuum Cleaner
3.7
Self-propel evidence was positive for HF3-style rollers that pulled the machine forward, while the Edge comparison criticized lack of assisted wheels.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Stair Cleaning
Bissell CrossWave Vacuum Cleaner
4.3
Stair-related evidence focused on carryability rather than stair cleaning; the HF3’s low weight made it easier to carry upstairs.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Steam Cleaning
Bissell CrossWave Vacuum Cleaner
4.7
Steam cleaning was praised on HydroSteam because heat improved dried-on stain removal and gave it added cleaning power.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Support and Reliability
Bissell CrossWave Vacuum CleanerNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Warranty and support terms received a positive judgment in one review, which considered Shark’s shipping terms fair.
Surface safety with attachments
Bissell CrossWave Vacuum CleanerNo 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.
Tool-change simplicity
Bissell CrossWave Vacuum CleanerNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Tool transitions were generally praised, especially the quick hose access and simple attachment fit, though evidence is limited.
Under-Furniture Pickup
Bissell CrossWave Vacuum Cleaner
1.5
Under-furniture performance was weak in the CrossWave Edge comparison because it lacked lay-flat capability.
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery CleanerNo score yet
Upholstery / Above-Floor Pickup
Bissell CrossWave Vacuum CleanerNo score yet
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
4.5
Upholstery and above-floor cleaning was mostly strong, with excellent spot-test performance and visible stain removal, though one reviewer found the StainStriker tool less powerful than the upright unit.
Wool carpet compatibility
Bissell CrossWave Vacuum CleanerNo 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.