The Bissell Revolution HydroSteam 4120 performs well in stain cleaning tests, particularly with syrup stains, thanks to its steam functionality. However, it leaves carpets wetter than competitors and requires frequent tank refills and emptying. Tom's Hardware called it a 'well above average performer' in stain tests, but noted it's expensive and has below-average suction. It's best suited for users seeking steam cleaning benefits, though those wanting drier results should consider alternatives.
Full review
Steam Technology Performance
The Bissell Revolution HydroSteam 4120 stands out in the carpet cleaning market for its genuine steam technology, a feature that professional cleaners have long relied upon but rarely found in consumer models. According to Family Handyman's Allison Robicelli, the machine's steam pretreat mode functions like a 'flamethrower' against stubborn stains, effectively breaking down set-in messes with minimal passes. Consumer Analysis found that the HydroSteam excelled in cleaning syrup stains, requiring only 3-5 passes for caramel and chocolate syrups compared to 7-8 for peanut butter. The steam component, which heats water to a superheated state, penetrates carpet fibers more effectively than standard hot water cleaning, as noted by RTINGS in their testing. However, this steam function does come with a trade-off, as the machine's suction performance is notably below average, which impacts overall drying efficiency and moisture extraction.
Stain Cleaning Capabilities
In rigorous stain testing, the Bissell Revolution HydroSteam 4120 demonstrated impressive performance in removing tough stains, particularly those involving sticky substances. The HydroSteam scored particularly well on syrup stains, with caramel requiring only 3 passes and chocolate syrup 5 passes. Vacuum Wars confirmed these results, noting a score of 89.2 in their standardized testing, which surpassed the average of 83.5. However, the machine's low suction performance, measured at 56-72 suction units at the base, was a consistent concern across multiple reviews. The machine's ability to clean tomato sauce and peanut butter stains was above average, but it struggled with more complex messes like coyote urine, which required 2 passes and left behind some staining. This suggests that while the steam function is powerful, it's not a complete solution for all types of carpet stains.
Build Quality and Design
The Bissell Revolution HydroSteam 4120 is built with a robust design that reflects its intended use for heavy-duty cleaning. Family Handyman reported the unit weighing 22.5 pounds, which is significantly heavier than typical upright carpet cleaners, making it less portable and more challenging to maneuver. The machine features two large tanks: a 1-gallon clean water tank and a 64-ounce dirty water tank, both of which require frequent refilling and emptying during extended cleaning sessions. According to Bissell's support documentation, the unit includes a removable brush roll cover and a catch tray for easier maintenance, but the brush rolls themselves require a screwdriver for removal, which is inconvenient for regular users. The LED display on the handle provides clear mode indicators, and the trigger mechanism for spraying cleaning solution is intuitive, though some users found the weight and size of the machine to be a hindrance during extended use.
Performance and Efficiency
While the Bissell Revolution HydroSteam 4120 delivers strong cleaning performance, its efficiency is compromised by several design limitations. Consumer Analysis found that the machine left carpets wetter than average after cleaning, with moisture levels remaining at 29% after 10 passes and 26% after additional dry passes, compared to an average of 26.8% and 24.5% respectively. This is attributed to the high water consumption, which requires frequent refills of the clean water tank and emptying of the dirty water tank. Vacuum Wars noted that the machine's average area of coverage was 105 square feet per clean tank, significantly lower than the 137 square feet average of other models, due to its high water usage. The quick-dry mode, while helpful, was not sufficient to fully compensate for the machine's tendency to leave carpets wet. The machine's suction performance, measured at 56-72 units at the base, was consistently rated as below average, which impacts the machine's ability to extract moisture effectively and increases drying times.
Where It Falls Short
Despite its powerful steam technology, the Bissell Revolution HydroSteam 4120 has several significant drawbacks that limit its appeal. Consumer Analysis identified the machine's low suction performance as a major flaw, with suction readings of 56-72 units at the base, which is below average for carpet cleaners. The machine's high water consumption is another major issue, requiring frequent refills and emptying of tanks, which disrupts cleaning sessions. Family Handyman noted that the machine's weight of 22.5 pounds makes it difficult to maneuver, and the 20-foot cord is considered short for larger cleaning tasks. The machine's design also includes a complex process for removing the brush rolls, which requires a screwdriver, making maintenance more difficult than it should be for a consumer product.
Who It's Best For
The Bissell Revolution HydroSteam 4120 is best suited for users who prioritize deep stain removal over convenience and efficiency. It's ideal for households with pets or those dealing with sticky, set-in stains that regular carpet cleaners struggle to remove. Family Handyman's review suggests that the machine is particularly effective for tackling pet accidents and stubborn stains, making it a strong choice for pet owners who are willing to invest in a more powerful cleaning solution. However, it's not recommended for users who value quick cleaning sessions or frequent use, due to the high water consumption and the need for frequent tank refills. The machine's weight and cord length make it less suitable for users who need to move it frequently or clean large areas. For those seeking a balance between performance and convenience, alternative models with better suction and lower water usage may be more appropriate. The machine's steam technology is particularly beneficial for users who frequently encounter sticky stains, but those who primarily deal with regular dirt and debris might find it overkill for their needs.
Value at This Price
At a price point of $399.95, the Bissell Revolution HydroSteam 4120 is considered expensive by most reviewers, especially when compared to alternatives that offer similar or better performance at lower costs. Consumer Analysis gave it a score of 4.9, but noted that the machine's high water consumption and low suction performance make it less cost-effective than other models. The machine's ability to clean up stains very well is undeniable, but the frequency of tank refills and the machine's weight make it less practical for regular use. Vacuum Wars rated it 51.47 out of 100, which is considered average for a carpet cleaner, and noted that while it performed well in stain removal, it didn't make their top 5 list due to its drawbacks. The machine's advanced features, including the steam function and multiple cleaning modes, justify the price for users who need deep cleaning capabilities, but for general users, the cost may not be worth the trade-offs. The machine's durability and performance in deep cleaning make it a solid investment for specific use cases, but it's not the best value for everyday carpet cleaning.
Comparison to Alternatives
When compared to other carpet cleaners, the Bissell Revolution HydroSteam 4120 stands out for its steam technology, but it falls short in several key areas. Consumer Analysis found that while it performed well in stain cleaning, particularly with sticky substances, it left carpets wetter than average and required frequent tank refills. The machine's suction performance was consistently rated as below average, with readings of 56-72 units at the base, compared to average scores of 70-80 units in other models. Vacuum Wars noted that while it scored 89.2 in stain testing, which was better than the average of 83.5, it didn't make their top 5 list due to its drawbacks. The machine's price point of $399.95 is higher than many competitors, and the frequent tank refills and low suction make it less practical for regular use. While it excels in deep cleaning, alternatives like the Bissell CrossWave or Shark Navigator offer better balance of performance, convenience, and value for money. The Bissell Revolution HydroSteam 4120 is a powerful tool for specific cleaning tasks, but it's not the best choice for general carpet maintenance.
Strengths
- +Well above average performer in upright stain test, especially cleaning syrup stains
- +Uses steam in addition to soap and water, which helps loosen dried-on stains
- +Good build quality and easy to use and maintain
- +Can be used as a spot cleaner with included hose and attachments
Watch-outs
- −Leaves carpet wetter after cleaning than most competitors
- −Requires frequent refilling of clean water tank and emptying of dirty water tank
How it compares
The Bissell Revolution HydroSteam 4120 outperforms the Bissell TurboClean Pet XL 3746 in stain cleaning, particularly with syrup stains, thanks to its steam technology. However, it leaves carpets wetter and requires more frequent tank refills compared to the Shark CarpetXpert EX151, which has better suction but worse stain performance.
Who this is for
At a glance: Users wanting steam cleaning for tough stains.
Why you’d buy the Bissell Revolution HydroSteam 4120
- Well above average performer in upright stain test, especially cleaning syrup stains.
- Uses steam in addition to soap and water, which helps loosen dried-on stains.
- Good build quality and easy to use and maintain.
Why you’d skip it
- Leaves carpet wetter after cleaning than most competitors.
- Requires frequent refilling of clean water tank and emptying of dirty water tank.
Rating sources
“Overall, the Hydrosteam performed very well in our upright stain test. As I just mentioned, it was an above average performer cleaning the tomato sauce and peanut butter stains. And it was a well above average performer cleaning the ice cream, caramel syrup, and chocolate syrup stains.”
“The Bissell Revolution HydroSteam Carpet Cleaner is a second-generation carpet cleaner that stands out for offering a true steam function—something still rare in consumer models—and in testing, this feature proved genuinely useful for loosening dried-on stains before standard cleaning.”
“As the only upright deep cleaner with HydroSteam technology, it's now easier than ever to tackle stubborn pet messes.”
“The Bissell Revolution HydroSteam Pet Erased All Evidence of My Sisters Messy Puppy”
Our 4.3 score is the average of these published ratings. Ratings marked * were derived from the reviewer’s written analysis or video transcript — the publisher didn’t print an explicit numeric score, so we inferred one from their own words. Click through to verify. More about methodology.
