P1
BISSELL Revolution HydroSteam Carpet Cleaner
P2
Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
Average score
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.9
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.0
Accessories and Tools
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.0
Attachments were generally valued, especially the hose, upholstery tools, stair tools, and spot-cleaning tools for stains beyond open carpet.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Aesthetic design and finish
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.0
The only design-finish evidence was positive, with the product’s sleek design listed among its pros.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.0
Design impressions were mildly positive, with one reviewer describing the machine as fairly compact and sleek for a carpet cleaner.
Airflow blowback
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.0
Airflow/blowback evidence was weak in one comparative test, where the expensive HydroSteam was criticized as underpowered.
P2Product 2: Shark CarpetXpert Upright Carpet, Area...
No score yetArea Rug Handling
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Area-rug handling was positive, with reviewers reporting strong cleaning on rugs and area-rug tests.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.6
Area rug handling was a major strength, with several reviewers reporting cleaner, fresher, or visibly improved rugs.
Assembly and Setup
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.8
Assembly was consistently easy, with reviewers describing quick setup and no-tool assembly.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Assembly and setup were widely praised as simple, quick, or straightforward, with only minor friction around hose installation.
Build quality and durability
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.3
Build feedback was positive, with reviewers calling parts well-made and noting heavier-duty construction details.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
3.3
Build quality evidence was split, with one reviewer praising a high-quality feel and another criticizing plastic-on-plastic construction.
Carpet — High-Pile Pickup
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Clogging and debris prevention
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
5.0
Hair and debris clog prevention was praised in HairPro reviews, with no-clog suction and no hair wrapping reported.
Comparative performance
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.2
Comparative evidence is mixed: HydroSteam often cleaned better than ProHeat-style models, but some reviewers preferred cheaper or larger alternatives.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Controls and UI
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.3
Controls were mostly praised for handle placement, LED/mode clarity, and simple markings, though one reviewer noted a learning curve.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.2
Controls and interface were mixed: reviewers liked instructional stickers and automatic spray/extract behavior, but one found hose setup confusing.
Convertible handheld design
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
5.0
The handheld-style conversion was praised as very easy, adding flexibility for non-floor stains.
P2Product 2: Shark CarpetXpert Upright Carpet, Area...
No score yetCord length
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.0
Cord-length evidence was negative in one comparative test that found the actual cord shorter than advertised.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Cord length was positively reviewed in one source, where the extra-long cord made room navigation easier.
Cord management
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Cord management was praised in one hands-on review for easy wrapping and storage.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Cord management had limited positive evidence, with onboard storage keeping components together.
Dried-On Stain Removal
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.7
Dried-on stain removal was strongly praised across most reviews, especially for syrup, wine, pet stains, and older stains.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.7
Most reviewers praised dried-on stain removal on wine, tea, mud, old upholstery stains, and pet messes, though test conditions varied.
Ease of use
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.8
Ease of use was a strong positive theme, with reviewers repeatedly calling the machine intuitive, user-friendly, or effortless.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.6
Ease of use was one of the strongest themes, with reviewers repeatedly calling it easy, effective, agile, and intuitive.
Emptying and Mess Control
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.1
Emptying and mess control were mostly easy, but one reviewer found the dirty-tank lid challenging.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.8
Emptying and mess control were praised repeatedly, especially the easy dirty-water tank, quick dumping, and separated hair cage.
Energy efficiency (kWh)
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.5
Energy evidence was negative-to-mixed because the steam heater made the HydroSteam use more electricity than a non-steam ProHeat model.
P2Product 2: Shark CarpetXpert Upright Carpet, Area...
No score yetFloor Drying Time
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.4
Drying is the biggest split: Quick Dry impressed some reviewers, while steam/max cleaning and high water use left carpets wetter in others.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.3
Drying feedback was generally favorable but not unanimous, ranging from quick dry-to-touch results to average dryness in lab testing.
Floorhead design
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.0
Floorhead design was praised for a wide path that covers area quickly.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Floorhead design drew praise for working well and opening up for brushroll access and cleaning.
Fresh Liquid Pickup Speed
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.2
Fresh liquid pickup was generally good, with quick removal in some tests, though one reviewer found urine and grape juice results only average.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Hair-removal channel issues
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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 — Carpets
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.0
Carpet hair pickup was positive-to-mixed: reviewers found hidden pet hair removed, though one tool test only said it did okay.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
5.0
Hair-wrap resistance was excellent in HairPro reviews, with reviewers reporting no hair caught and a self-cleaning brushroll preventing wrap.
Heating element
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.8
Heating evidence was positive because reviewers said the steam system actually warmed water and produced noticeable heat.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
2.5
The lack of a built-in water heater was a drawback in one review, especially considering price.
Hose length
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
3.9
Hose length was mixed, with one reviewer impressed by it and another measuring it slightly shorter than average.
Innovation compared to competitors
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
5.0
Innovation evidence was very strong because reviewers framed consumer-grade carpet-cleaning steam as new or breakthrough-level.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.8
Innovation evidence centered on onboard hose convenience and pet-focused HairPro improvements over earlier models.
Maintenance requirements
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.0
Maintenance is mostly easy thanks to removable covers and tank access, but brush-roll removal with a screwdriver is a drawback.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Maneuverability and Handling
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.5
Handling is weakened by heft; one reviewer said carrying or moving the heavy machine around the house could be taxing.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.4
Handling was generally positive despite size, with reviewers calling it maneuverable or vacuum-simple in use.
Noise level
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.0
Noise feedback is mixed: one reviewer called it incredibly loud, while another found it less noisy than expected for its power.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
2.0
Noise drew a clear complaint in one review, which found the Shark noticeably louder than a comparison vacuum.
Odor control
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Odor evidence was positive but limited, with customer-review evidence in the transcript saying carpets smelled great after cleaning.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.9
Odor control evidence was positive, with reviewers noting fresh-smelling rugs and no lingering pet stains or odor.
Onboard tool storage
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.3
Onboard storage is mixed: one reviewer disliked the lack of accessory storage, while another liked the separate vented bag.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.8
Onboard storage was a standout convenience, with reviewers praising the hose, tools, and storage tray staying with the machine.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.5
Ownership cost evidence was limited but negative, centered on needing extra cleaning solution because the machine uses liquid quickly.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
2.5
Ownership-cost evidence was negative because one reviewer expected the cleaning solution to run out quickly.
Overall durability/longevity
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
One long-term update was positive, with the cleaner still earning a regular place in use after months of ownership.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
2.5
Durability confidence was limited by one reviewer’s concern that competing Bissell models might last longer.
Overall opinion
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Overall opinion is mostly favorable, but not unanimous; one reviewer strongly recommended against it because of water use, wet carpets, and value.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.4
Overall opinion leaned strongly positive across most reviews, but one lab-style review was notably critical of upright carpet-cleaning performance.
Packaging quality
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
3.8
Packaging feedback conflicted: one review praised eco-friendly packaging, while another noted substantial plastic waste.
Pet-Ready Features
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
5.0
Pet evidence is very strong, with reviewers highlighting removed urine, old pet stains, puppy pee, cat messes, and pet-focused use cases.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
5.0
Pet-focused reviews were highly positive, citing pet mess pickup, odor control, hair handling, and suitability for homes with animals.
Price and Value
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.5
Value is mixed: some reviewers called the premium worthwhile for stain removal, while others argued cheaper competitors deliver enough cleaning.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.6
Value sentiment was mostly positive, especially at lower sale pricing, though premium pricing and model choice affected the conclusion.
Self-cleaning cycle
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Self-cleaning evidence was limited but positive, with one reviewer praising the easy hose-rinse circulation feature.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Solution / Liquid system
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.5
The liquid system is a tradeoff: solution use supports cleaning performance but also drives frequent refills and longer drying.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Stair Cleaning
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.5
Stair use is limited by weight; reviewers liked tools, but carrying the machine up and down stairs was considered cumbersome.
P2Product 2: Shark CarpetXpert Upright Carpet, Area...
No score yetSteam Cleaning
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.6
Steam cleaning was the product’s strongest theme, repeatedly credited with loosening tough stains and making the cleaner stand out.
P2Product 2: Shark CarpetXpert Upright Carpet, Area...
No score yetStorage footprint and upright-stand stability
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
2.5
Storage was a repeated drawback, with reviewers calling the machine bulky and better suited to homes with more storage space.
Streaking / Residue
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
5.0
Residue evidence was positive in one home test, where red wine, cola, and sauce left no residue.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
3.0
Streaking and residue feedback was mixed, with one reviewer seeing temporary streaks and another reporting remaining streaks in testing.
Suction and Airflow
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.1
Reviewers split on measured suction: several praised extraction strength, but one lab-style test found below-average suction despite strong stain results.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Suitability for heavy-duty use
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.4
Heavy-duty evidence is strong for shelters, old stains, and professional-like cleaning, but whole-house work can be tiring.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Suitability for small spaces
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.3
Small-space suitability is weak because reviewers repeatedly pointed to smaller spot cleaners for apartments, tight spaces, or occasional stains.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
3.1
Small-space suitability was mixed to weak: one reviewer liked the smaller footprint, while others warned it was bulky or clunky.
Support and Reliability
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Reliability coverage was positive in review synthesis, where the HydroSteam was singled out as the standout reliable carpet cleaner.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Warranty and support terms received a positive judgment in one review, which considered Shark’s shipping terms fair.
Surface safety with attachments
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
5.0
The handheld conversion was praised as very easy, with the reviewer emphasizing how simple it was to switch modes.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.5
Tool transitions were generally praised, especially the quick hose access and simple attachment fit, though evidence is limited.
Upholstery / Above-Floor Pickup
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.3
Above-floor and upholstery cleaning were generally positive, with reviewers calling hose-based results easy, efficient, or good.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Versatility
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
4.5
Versatility was praised because the upright cleaner can also function like a spot cleaner with hose-based cleaning.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
4.8
Versatility was a strength, with reviewers praising use across rugs, carpets, upholstery, spot cleaning, and routine maintenance.
Water tank
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
3.0
Water-tank feedback is mixed: some liked the flip-top/easy handling, while others complained about frequent refills and dirty-tank emptying.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Weight
P1
Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
2.3
Weight was a repeated weakness; reviewers consistently described the 22-pound machine as heavy, bulky, or cumbersome.
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
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.
Wool carpet compatibility
P1Product 1: BISSELL Revolution HydroSteam Carpet Cleaner
No score yet
P2
Product 2: Shark CarpetXpert Upright Carpet, Area...
1.5
Wool compatibility was a clear limitation in one review, which said the cleaner was not suitable for wool carpets.