Hard floors, upright · review
A 2500 W steam cleaner with a 3.5-liter tank, 120 ml a minute of steam and a mop, weighing 9.5 kilos.
Where this ends up The biggest tank on the shelf, the shortest runtime, and a specification block that contradicts itself five times — two wattages, a temperature that cannot hold at its own pressure, two conversions a hundred times too small, and a fuse temperature given in volts. Four times the price of the next machine, and the least reliable page here.
This machine publishes more figures than anything else on the shelf, which ought to be a strength. Taken together they do not describe one machine.
1. Two wattages. The title says “2500W”; the block says “Power: 2500W”; and the description says “The 3000w high pressure steam cleaner system”. A 500-watt difference on the figure that governs how fast it heats.
2. A temperature that cannot hold at its own pressure. “Steam temperature: 110 ° C” against “Steam pressure: 4.0-5.0Bar”. At 4 bar absolute saturated steam reaches about 144 °C; at 5 bar, about 152 °C. 110 °C corresponds to roughly 1.4 bar. See below.
3. Two conversions a hundred times too small. “steam pipeline length: 2.5m/0.95in” — 2.5 meters is 98 inches. “Power cord length: 3.5m/1.38in” — 3.5 meters is 138 inches. And the arithmetic reveals the mistake: 2.5 ÷ 2.54 = 0.98, 3.5 ÷ 2.54 = 1.38. Someone divided the meters by 2.54 instead of the centimeters.
4. A temperature given as a voltage. “Working temperature of fuse: 240V”. And 240 V is not the American domestic supply.
5. A volume that is the carton. “Volume: 81 * 39 * 41.5 centimeters”, repeated three lines later verbatim as “Packaging size: 81 * 39 * 41.5cm”. The product itself is 75 × 30 × 35 cm.
Plus one figure with no unit at all: “Release rate: 300mg” — three hundred milligrams of what, per what, is not said.
None of this means the machine is bad. It means that at $591.99 — four times the next most expensive item on this shelf — you cannot establish what you are buying from the page. Which is the verdict: confirm the specification with the seller before ordering.
What follows is what can be read out of it.
Steam temperature and pressure are locked together by physics. At 1 bar, water boils at 100 °C (212 °F). At 4 bar absolute, saturated steam reaches about 144 °C (291 °F); at 5 bar, about 152 °C (306 °F).
110 °C corresponds to roughly 1.4 bar — a third of the lower figure claimed.
So either the pressure is right and the steam is thirty to forty degrees hotter than stated, or the temperature is right and the pressure is a third of what is claimed.
Across the shelf, only one listing publishes a pair that agrees:
Keenstone, $139.99 — 300 °F at 58 psi. 58 psi is about 5 bar absolute, where saturated steam sits near 306 °F. ✓ Schenley, $139.99 — 248 °F at 3.5 bar. 248 °F is 120 °C, about 2 bar absolute. ✗ this — 110 °C at 4.0–5.0 bar. ✗ NEWBULIG, $37.89 — 212 °F, no pressure claimed. Correct, since 212 °F is exactly 1 bar — an unpressurized mop. ✓ Phueut, $119.64 — “high heat and pressure”, no figure of either kind Shark S1000, S3501, S8001, S8201 — neither figure
Read charitably, 110 °C is the conservative number — and it is only ten degrees above boiling, which would make this a mild machine rather than a high-pressure one. That is not what the title says, and it is not what $591.99 implies.
This is the one calculation the page lets you do, and it is the most useful thing on it.
“Water tank capacity: 3.5L” and “Steam flow rate: 120ml/min”.
3500 ÷ 120 = 29 minutes.
So the biggest tank on this shelf — more than twice anything else — gives the shortest runtime on this shelf, because it consumes four times the steam.
Keenstone — 51 oz / 50 min = 30 ml/min Schenley — 45.5 fl. oz. / 45 min = 30 ml/min Phueut — 1.5 L, no runtime. At 30 ml/min, about 50 minutes this — 3.5 L at 120 ml/min = 29 minutes The four Sharks — “large” and “XL water capacity”, no figures at all
A hundred and twenty milliliters a minute is a professional rate, and it is consistent with the rest of the machine: 2500 W and 9.5 kilograms are commercial figures, and the description names “industrial cleaning” and “commercial environments” among its uses.
So the 3.5 liter tank is not generosity. It is what a machine using steam that fast needs in order to run for half an hour.
Whether you want that at home is the real question, and the honest answer is that four times the steam flow means four times the water going onto your surfaces — which on a floor is the opposite of what you want. The two Keenstone-and-Schenley machines at 30 ml a minute, and the Shark mops at less, are the domestic rates.
No heat-up time is published, which on this tank is the figure that would hurt. Bringing 3.5 liters to the boil takes roughly 1.2 megajoules — about eight minutes at 2500 W, or eleven at 1800. The Schenley publishes 8 minutes for 1.35 liters, which is conservative by the same arithmetic; nothing here is published at all beyond “Fast Heating”.
9.5 kg net, 11.5 kg gross, and the catalog records 11489 g — which matches the gross figure exactly, so the catalog is weighing the box.
The shelf:
Shark S1000 — 2087 g and S3501 — 2209 g, both “under 5 lbs.” · NEWBULIG — 2341 g · Shark S8001 — 3130 g · Phueut — 3447 g · Schenley — 3629 g · Shark S8201 — 4042 g · this — 9500 g net
More than twice the heaviest alternative. This is not a machine you carry; it is one you wheel, and the description says as much — “portable design… provides mobility between kitchen, bathroom, garage, and outdoor cleaning locations.”
Though “portable” is doing heavy work at twenty-one pounds. The Phueut and Schenley both publish wheels explicitly, and the Schenley adds an “ergonomic soft-grip handle”; nothing here says whether this has either.
The reach figures, corrected: a 2.5 meter hose — about 8 ft — and a 3.5 meter cord — about 11.5 ft, which gives roughly nineteen feet of working radius. That is reasonable for a canister, and the cord sits mid-shelf: the Shark S1000 publishes 18 ft, the NEWBULIG 16.4 ft, the Phueut 9.8 ft with an unquantified hose.
“The heated extractor technology incorporates multiple protection systems including temperature monitoring and automatic shutoff. The heat-resistant housing helps maintain safe external temperatures during operation.”
Three sensible things, and the third is the one specific to this machine: at 2500 W in a nine-kilogram body, the outside of the case gets hot, and saying so is better than not.
“Corrosion-resistant and impact-resistant materials” is the other construction claim, and corrosion resistance is the right concern on a pressure vessel that holds water between jobs.
Across the shelf:
Keenstone — a steam child lock, plus a safety cap that “stays locked while the tank is hot or pressurized”, plus UL499 certification and a two-year warranty NEWBULIG — anti-dry-burn with three signals: a pump sound, an auto-shutoff, and a red light that stays on until refilled Schenley — built-in overheat protection Phueut — a safety cap and a trigger lock this — temperature monitoring, automatic shutoff, heat-resistant housing The four Sharks — nothing published
What is missing here is the one safeguard this machine most needs. A pressurized tank must not open while hot, and the Keenstone is the only listing on this shelf that publishes the interlock — “the safety cap stays locked while the tank is hot or pressurized” — together with the cost of it: “allow the unit to cool for 20 minutes before adding water.”
On a 3.5 liter tank claiming 4 to 5 bar, that is the sentence you would most want to read, and it is not here.
And no certification. The UL499 on the Keenstone is the only third-party standard on this shelf, and on the most expensive machine here its absence is conspicuous.
“The adjustable pressure control allows customization for various surface types, making this engine steam cleaner suitable for delicate to heavily soiled areas.”
The right feature, and at 120 ml a minute a necessary one — full output on anything delicate would be too much water and too much heat. But no settings are specified: not how many, not what they are, not whether the control is on the body or the handle.
The shelf, on regulation: the Phueut has an adjustable dial on the handle plus a lockable trigger, which is the best-placed arrangement; the Shark S8001 and S8201 have three modes — Light, Normal, Deep; the Schenley two trigger settings; and the Keenstone, NEWBULIG, Shark S1000 and S3501 publish nothing.
And the accessories are not counted. “includes multiple specialized attachments for different cleaning applications”, and the title adds ”+ Mop”.
Phueut 28 · Schenley 21 · Keenstone 17, itemized · NEWBULIG 14 · this — “multiple”
The Keenstone is the only listing on this shelf that names what is in the box — “floor brushes, microfiber pads, nylon and brass brushes, a window tool, detail nozzle” — and brass matters, because it lifts baked-on deposit without scoring metal where steel scratches anything polished. On the most expensive machine here, “multiple” is not a specification.
“Mop” in the title is the one accessory named, which at least confirms it can do floors.
“Utilizing steam technology without chemical additives.”
True of every machine on this shelf, and the strongest argument the category has: no consumable, nothing with a shelf life, and no residue left behind.
The others put it more fully. The Shark S1000 — “using just water — no chemicals needed and no residue left behind”. The Phueut — “let your kids and pets play safely with clean toys and surfaces”. The Schenley — “the power of purified water”, which doubles as the right instruction, since every liter of tap water leaves calcium in a pressure vessel you cannot reach.
No sanitization figure is claimed here, which is arguably the honest position. The Shark S3501 and S8201 claim “99.9% of common household bacteria” and name five organisms in a footnote; the Schenley claims 99.9% and “compliant with EPA standards” with no organism named; the NEWBULIG claims 99.9% of stains, which have no unit.
A reliable wattage, a consistent temperature-and-pressure pair, a heat-up time, a cooling-wait note, an accessory count, a sealed-floor caution, a descaling function, a certification and a warranty.
On the sealed-floor point specifically: the title includes a mop, and the description names “home surfaces” and “Home maintenance”. All four Sharks carry a capitalized bullet reading “SEALED HARD FLOORS”, and the word is the caution — on unsealed or waxed timber steam swells the fiber and strips wax, on unglazed stone it soaks in, on laminate with open seams it lifts the surface layer, on unsealed grout it erodes. At 120 ml a minute this machine puts four times as much water onto a floor as its domestic rivals, which makes that caution matter more here than anywhere else on the shelf. The cheap test is a drop of water on an inconspicuous joint.
And no reference. The catalog field reads “HJGJYWLQ” — the brand name rather than a part number — so there is nothing to quote if you need a seal, a hose or a brush. The Phueut does the same with a field reading “steam cleaner”. The Sharks publish S1000, S3501, S8001 and S8201; the Schenley SLFCSC084; the Keenstone CB-101A.
Read on the day this page was built: $590 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text were read on 2026-10-05. The live price is at the top of the page.
| Tank | 3.5 liters — the biggest on this shelf by more than twice |
|---|---|
| Steam flow | 120 ml a minute, which gives about 29 minutes — the shortest runtime here |
| Power | 2500 W in the title; the description also says 3000 W |
| Pressure published | 4.0 to 5.0 bar |
| Temperature published | 110 °C (230 °F) — which cannot hold at 4.5 bar; see the FAQ |
| Weight | 9.5 kg (20.9 lb) net, 11.5 kg (25.4 lb) gross — more than twice anything else here |
| Steam hose | 2.5 m (8 ft), published as 0.95 in — a conversion 100 times too small |
| Power cord | 3.5 m (11 ft), published as 1.38 in — the same error again |
| Safety | Temperature monitoring, automatic shutoff and a heat-resistant housing |
| Control | Adjustable pressure control, with no settings specified |
| Accessories | Multiple, with no count and none named |
| Product size | 750 × 300 × 350 mm (29.5 × 11.8 × 13.8 in); the figure labeled Volume is the carton |
| Fuse | Working temperature given as 240 V |
| Release rate | 300 mg, with no time unit |
| Reference | The catalog field reads "HJGJYWLQ" |
| Amazon reference | B0G43SM1JF |
| EAN | 7803599119145 |
No. Steam temperature and pressure are locked together, and these two figures belong to different machines. The specification block publishes "Steam temperature: 110 ° C" and "Steam pressure: 4.0-5.0Bar". At 1 bar, water boils at 100 °C (212 °F). At 4 bar absolute, saturated steam reaches about 144 °C (291 °F); at 5 bar, about 152 °C (306 °F). 110 °C (230 °F) corresponds to roughly 1.4 bar — a third of the lower figure. So either the pressure is right and the steam is thirty to forty degrees hotter than stated, or the temperature is right and the pressure is a third of what is claimed. Nothing on the page resolves it. For comparison, the Keenstone at $139.99 publishes 300 °F at 58 psi: 58 psi is about 5 bar absolute, where saturated steam sits near 306 °F, so those two corroborate each other — the only pair on this shelf that does. The Schenley at $139.99 publishes 248 °F at 3.5 bar, which also fails: 248 °F is 120 °C (248 °F), about 2 bar absolute. And the NEWBULIG at $37.89 publishes 212 °F with no pressure claim, which is correct for an unpressurized mop. Reading it charitably: 110 °C (230 °F) is the conservative figure, and it is only ten degrees above boiling, which would make this a mild machine rather than a high-pressure one. That is not what the title says.
About twenty-nine minutes, and it is the one number here you can work out for yourself. The block publishes "Water tank capacity: 3.5L" and "Steam flow rate: 120ml/min". 3500 divided by 120 is 29. So the biggest tank on this shelf gives the shortest runtime on this shelf, because it consumes four times the steam of its rivals. Set it out: the Keenstone gives 51 oz over 50 minutes, which is 30 ml/min; the Schenley 45.5 fl. oz. over 45 minutes, also 30 ml/min — two machines independently at the same rate. The Phueut at $119.64 has 1.5 L and publishes no runtime, which at 30 ml/min would be about 50 minutes. And the four Shark machines say "large" and "XL water capacity" and publish nothing at all. A hundred and twenty milliliters a minute is a professional rate, and it is consistent with the rest of the machine — 2500 W and 9.5 kilograms are commercial figures, and the description names "industrial cleaning" and "commercial" settings. So the 3.5 liter tank is not generosity; it is what a machine using steam that fast needs in order to run for half an hour. Whether you want that at home is the real question.
Two conversions are a hundred times too small, and the error is identifiable. The block publishes "steam pipeline length: 2.5m (8 ft)/0.95in" and "Power cord length: 3.5m (11 ft)/1.38in". 2.5 meters (8 ft) is 98 inches, not 0.95. 3.5 meters (11 ft) is 138 inches, not 1.38. And look at what the wrong figures are: 2.5 ÷ 2.54 = 0.98 and 3.5 ÷ 2.54 = 1.38. Someone divided the meters by 2.54 instead of the centimeters — so the inch values are the right digits with the decimal point moved two places. The metric figures are therefore the reliable ones: a 2.5 meter (8.2 ft) hose and a 3.5 meter (11.5 ft) cord, which is about 8 ft and 11.5 ft. That is a reasonable combination for a canister, and the cord is mid-shelf: the Shark S1000 publishes 18 ft, the NEWBULIG 16.4 ft, the Phueut 9.8 ft. Three other entries in the same block are also wrong or empty. "Working temperature of fuse: 240V" gives a temperature as a voltage — and 240 V is not the American domestic supply. "Release rate: 300mg" has no time unit, so it cannot mean anything. And "Volume: 81 × 39 × 41.5 centimeters" is repeated verbatim three lines below as "Packaging size", so the volume quoted is the carton; the actual product is 75 × 30 × 35 cm (29.5 × 11.8 × 13.8 in).
cleaning machines from the same category, at nearby prices. Only what all of them publish is shown: a column with holes compares nothing.
| Model | Price | Weight |
|---|---|---|
| HJGJYWLQ Not stated by the maker | $590 | 9.5 kg (20.9 lb) net, 11.5 kg (25.4 lb) gross — more than twice anything else here |
| Shark S8201 | $160 | 4042 g (142.6 oz) — the heaviest upright on this shelf |
| Shark S8001 | $160 | 3130 g (110.4 oz) |
| Keenstone CB-101A | $140 | Not published |
Details checked on October 5, 2026.
Nobody, until the specification is confirmed with the seller
Specifications: the manufacturer sheet for cleaning machines and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
30 s heat-up · 0.4 l refillable · 1,600 W · two steam settings
A steam mop with a wood setting and a tile setting — the distinction most machines pretend does not exist.
Best for: Sealed hard floors of mixed types — tile in the kitchen, engineered wood in the hall — cleaned weekly
under 30 s heat-up · 680 ml removable tank · up to 50 min · 7 m cable
The biggest tank in this group by a wide margin — fifty minutes of steam, and a square head that reaches corners.
Best for: Large tiled areas cleaned in one go, and homes where corners and skirtings matter more than gadgets
1,500 W · steam to 130 °C (266 °F) · detachable handheld · 13 attachments
A steam mop whose top half detaches, with a stated steam temperature — which most of this family omits.
Best for: A flat where one machine has to cover floors, tiles and the occasional hob
