Humidifiers / Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) vs Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)
Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS)
$249.99
VSVicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)
$19.79
Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) vs Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)
Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS)
Six gallons of invisible, dust-free humidity for a whole floor, at a filter-fed price.
Wins overall by 1.8 points
Quick Verdict
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) takes this by a clear 1.8 points. Six gallons of invisible, dust-free humidity for a whole floor, at a filter-fed price. The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) only makes sense if it wins on a category you care about more than the total.
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) and Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) are both closely matched humidifier models, and the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) is $230.20 cheaper than the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) ($19.79 vs $249.99). On Humidity Control, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads (8.5 vs 1.0/10) — whether there is a genuine closed-loop humidistat holding a setpoint, or just fixed output steps and a timer with a humidity label on it. On Safety Around Children, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads (9.0 vs 2.0/10) — burn and scald risk from boiled or heated water, tipping hazard, and whether the hygiene story holds up in a nursery. On Runtime & Refill Interval, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads (9.5 vs 7.0/10) — how long a full tank really lasts at a useful output setting, rather than at the lowest setting the runtime is quoted for, and how painful the refill is. Overall, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores 8.1/10 across our 8 scoring categories versus 6.3/10 for the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) | Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) |
|---|---|---|
| Price | $249.99 | $19.79 |
| Release Year | 2023 | 2015 |
| Humidification Technology | Evaporative — a fan pulls room air through four wick filters standing in the reservoir; moisture leaves as invisible vapour, minerals stay in the wick | Warm steam vaporizer. Current is passed through the water itself to boil it, which is why Vicks' own FAQ states "These units require water with minerals in it in order to function properly" — pure water does not conduct, so the unit will simply not steam |
| White Dust & Mineral Aerosol | None. Evaporative humidifiers leave dissolved minerals behind in the wick — that is exactly why the wick goes stiff and crusty. Tap water is fine and no distilled water is needed | None. Boiling drops the minerals out as scale inside the steam unit rather than aerosolising them. The visible particulate this unit does emit is black, not white: Vicks' cleaning instructions tell you to flush it "until black particles are no longer emitted", and those are carbon from the element |
| Tank Capacity | 6 gal / 22.7 L reservoir, filled through a supplied hose and funnel | 1.5 gal / 5.7 L |
| Rated Output per Day | Not published by Levoit as a gallons-per-day figure. The only published throughput is 6 gallons over "up to 72 hours", which works out at roughly 2 gal/day at the setting that runtime is quoted for | Not published by the manufacturer as a gallons-per-day or mL/hr figure. The only throughput anchor is the tank divided by the quoted runtime |
| Quoted Runtime (and at which setting) | "Up to 72 hours" — Levoit does not state the fan speed, but 6 gal / 72 h is about 2 gal/day, i.e. a low-to-mid setting. On high it is materially shorter | Sources conflict: Vicks' own product page says "up to 24 hours", Target's listing for the same V150SGN says 18 hours. There is no output setting to attribute either figure to — the unit has one speed |
| Rated Room Coverage | Up to 3,000 ft² claimed with 360° circulation — the largest claim in this set, and one no portable unit can meet in a house with closed doors | Sources conflict: Vicks' page and Walmart's listing say 600 ft², Target's listing for the same model says 300-500 ft² |
| Humidistat | Real closed-loop humidistat with a target-RH setpoint, plus app-side humidity history in VeSync | None, and no output control either. One switch. It boils at full rate until the tank is empty or you unplug it — the single most over-humidification-prone unit in this set |
| Noise | 28-48 dB across the speed range per Levoit's material. The low end is genuinely bedroom-quiet; the top end is a fan you will hear | Not published. There is no fan, so the noise is the boil; users describe intermittent gurgling and, when scaled or over-salted, spitting |
| Filters & Cartridges (Annual Cost) | Four wick filters, replaced together. Levoit's 4-pack is $39.99 and is listed as lasting up to 6 months, so about $40-80/yr depending on water hardness and hours. Dry Mode exists specifically to stretch that interval | None required — no filter, no wick, no cartridge. VapoPads and VapoSteam are optional add-ons Vicks would like to sell you; the unit runs on plain tap water |
| Cleaning Burden & Dishwasher-Safe Parts | Low by console standards but not trivial: the reservoir is wide open and the parts nest for storage, but four wet wicks sit in standing water and Dry Mode has to be run to keep them from souring. Nothing is dishwasher-safe | Weekly, and the routine is specific: Vicks says soak the steam unit "in 4 inches of white vinegar for 10 minutes", flush until black particles stop, then disinfect the reservoir with "1 teaspoon of bleach per gallon" for 20 minutes. The tank opening is wide. Scale build-up is what causes the spitting complaints |
| UV / Antimicrobial Claim | No UV lamp and no antimicrobial claim on the water path. Levoit's hygiene answer is Dry Mode plus wick replacement, not a kill stage | Boiling is the entire hygiene mechanism, and Vicks makes no germ-free or sterilisation marketing claim for it anywhere in the FAQ |
| Mist Temperature & Burn Risk | Cool, invisible vapour at room temperature — no burn risk. The evaporative process itself does not carry minerals or tank water into the air | Boiling. Vicks' placement guidance is to keep the vaporizer "at least four feet away from bedside" on a heat-resistant, waterproof surface. A 638W element and 1.5 gallons of near-boiling water is a scald hazard a toddler can pull over |
| Warranty | 24 months | 36 months |
| Colors | White | White |
Category Scores
Freedom From White Dust
The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) leads clearly here, 10.0 against 9.5 — a 0.5-point margin on the thing marketing never mentions. Ultrasonic humidifiers aerosolise whatever is dissolved in the water and deposit it as white dust on furniture — the EPA notes they are 'very efficient at dispersing minerals in tap water into the air', along with microorganisms from the tank. Evaporative and boiled-steam units do not do this at all. A high score means the technology cannot produce dust; a low score means you are buying distilled water for the life of the machine.. If that is what you are buying for, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) does not close the gap elsewhere.
Output
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads clearly here, 9.0 against 7.0 — a 2.0-point margin on actual moisture put into the room per day in gallons or mL/hr, judged against the coverage the manufacturer claims — not the square-footage number on the box. If that is what you are buying for, the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) does not close the gap elsewhere.
Runtime & Refill Interval
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads clearly here, 9.5 against 7.0 — a 2.5-point margin on how long a full tank really lasts at a useful output setting, rather than at the lowest setting the runtime is quoted for, and how painful the refill is. If that is what you are buying for, the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) does not close the gap elsewhere.
Cleaning & Access
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) and Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) are level here, at 6.5/10 each. whether the tank opening takes an adult hand, whether any part is dishwasher-safe or boilable, and how realistic the manufacturer's stated cleaning interval is to actually keep to is not what separates these two — look to the categories where the scores diverge.
Running Cost
The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) leads clearly here, 8.5 against 6.0 — a 2.5-point margin on wicks, demineralisation cartridges, antimicrobial additives, distilled water and electricity — everything you keep paying after the purchase. If that is what you are buying for, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) does not close the gap elsewhere.
Quietness
The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) leads clearly here, 8.0 against 7.0 — a 1.0-point margin on noise at the setting people actually run it overnight, weighted toward independently measured figures over manufacturer claims. If that is what you are buying for, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) does not close the gap elsewhere.
Humidity Control
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads clearly here, 8.5 against 1.0 — a 7.5-point margin on whether there is a genuine closed-loop humidistat holding a setpoint, or just fixed output steps and a timer with a humidity label on it. If that is what you are buying for, the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) does not close the gap elsewhere.
Safety Around Children
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) leads clearly here, 9.0 against 2.0 — a 7.0-point margin on burn and scald risk from boiled or heated water, tipping hazard, and whether the hygiene story holds up in a nursery. If that is what you are buying for, the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) does not close the gap elsewhere.
Best For
Choose the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) if…
- • Humidity Control matters most to you — the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores 8.5/10 here (whether there is a genuine closed-loop humidistat holding a setpoint, or just fixed output steps and a timer with a humidity label on it).
- • Safety Around Children matters most to you — the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores 9.0/10 here (burn and scald risk from boiled or heated water, tipping hazard, and whether the hygiene story holds up in a nursery).
- • Runtime & Refill Interval matters most to you — the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores 9.5/10 here (how long a full tank really lasts at a useful output setting, rather than at the lowest setting the runtime is quoted for, and how painful the refill is).
- • Output matters most to you — the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores 9.0/10 here (actual moisture put into the room per day in gallons or mL/hr, judged against the coverage the manufacturer claims — not the square-footage number on the box).
- • Your main use case is whole-house or nursery.
Choose the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) if…
- • Running Cost matters most to you — the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) scores 8.5/10 here (wicks, demineralisation cartridges, antimicrobial additives, distilled water and electricity — everything you keep paying after the purchase).
- • You want to spend less — it's $230.20 cheaper.
- • Your main use case is warm-mist.
Pros & Cons
Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS)
Pros
- +Evaporative design means no white dust and no distilled-water habit — you fill it from the tap with a hose
- +Six gallons and up to 72 hours is the longest unattended run here without stepping up to a plumbed whole-house unit
- +Dry Mode is a real answer to the wet-wick problem most evaporative units ignore
- +36W and 28dB at the low end make it far quieter and cheaper to run than an AC-motor console of similar output
- +Collapses with wheels and a storage bag, which matters for something this big six months of the year
Cons
- −$249.99 plus roughly $40-80 a year in wicks — the highest first-year cost of any evaporative unit here except the Venta
- −The 3,000 ft² claim is a still-air marketing number; a single portable unit will not humidify a 3,000 ft² house with interior doors shut
- −Levoit publishes no gallons-per-day output at all, so you have to back it out of the 6 gal / 72 h runtime
- −Four wicks standing in six gallons of water is a lot of wet surface — skip Dry Mode and skip the wick changes and it will smell
- −Physically large even collapsed, and there is nowhere on the unit to see humidity without the phone
Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)
Pros
- +Under $20 for 1.5 gallons of genuinely sterile, dust-free steam — nothing else here is close on price per gallon
- +Zero consumables: no wick, no cartridge, no distilled water, nothing to buy again
- +No fan, so there is no fan noise, and a three-year Vicks warranty at this price
- +Wide tank opening and a published, specific weekly vinegar-and-bleach cleaning routine
Cons
- −It cannot run on distilled or heavily filtered water. Vicks' own FAQ tells you to add "one or two pinches (1/8 tsp) of salt" — up to half a teaspoon — and warns that "too much salt can cause excessive boiling or blow a fuse"
- −638W of boiling water with no output control and no humidistat: one switch, full rate, until the tank runs dry
- −Real scald risk — Vicks says keep it four feet from the bed on a heat-resistant surface, which makes it a poor choice for a toddler's room despite the branding
- −Vicks and its own retailers disagree on both runtime (24h vs 18h) and coverage (600 ft² vs 300-500 ft²) for the same SKU
- −Emits black carbon flakes as the element wears, and the weekly vinegar flush is mandatory rather than advisory
Shop by Need
FAQs
Is the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) or Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) better overall?+
Based on our 8-category scoring, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Humidity Control, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) or the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores higher on Humidity Control (8.5/10 vs 1.0/10) — whether there is a genuine closed-loop humidistat holding a setpoint, or just fixed output steps and a timer with a humidity label on it.
Which is better for Safety Around Children, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) or the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores higher on Safety Around Children (9.0/10 vs 2.0/10) — burn and scald risk from boiled or heated water, tipping hazard, and whether the hygiene story holds up in a nursery.
Which is better for Runtime & Refill Interval, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) or the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) scores higher on Runtime & Refill Interval (9.5/10 vs 7.0/10) — how long a full tank really lasts at a useful output setting, rather than at the lowest setting the runtime is quoted for, and how painful the refill is.
Which is better for Running Cost, the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) or the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) scores higher on Running Cost (8.5/10 vs 6.0/10) — wicks, demineralisation cartridges, antimicrobial additives, distilled water and electricity — everything you keep paying after the purchase.
Is the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) worth the price difference over the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) is the cheaper option at $19.79 versus $249.99. Whether the pricier model is "worth it" depends on how much you value its lead in Humidity Control.
Which is better suited to my use case?+
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) is the better fit if you mainly care about whole-house or nursery. The Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) is the better fit for warm-mist.
What's the warranty on the Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) vs the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series)?+
The Levoit Superior 6000S Smart Evaporative Humidifier (LEH-S601S-WUS) ships with a 24-month warranty; the Vicks Warm Steam Vaporizer V150 (V150SGN / V150RY series) ships with a 36-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Premium Option
Venta LW25 Original Airwasher — $299.99
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.