Levoit LV600HH vs Levoit Superior 6000S (LEH-S601S-WUS)
The short answer
Levoit Superior 6000S (LEH-S601S-WUS) comes out ahead overall with 8.1/10 against 6.4/10 for the Levoit LV600HH. Levoit LV600HH is stronger on value. Levoit Superior 6000S (LEH-S601S-WUS) is stronger on hygiene & ease of cleaning, humidifying performance, quiet & sleep-friendly, health, safety & materials and ease of use. At current verified prices, the Levoit LV600HH costs about $150.00 less.
- Choose the Levoit LV600HH if: People who want maximum ultrasonic output for under $100, with a remote and auto mode but no app or filters, and will use distilled water.
- Choose the Levoit Superior 6000S (LEH-S601S-WUS) if: Open-plan homes and big living areas up to ~3,000 sq ft where you want tap water, low white dust and very few refills.
Scores by criterion
| Criterion | Levoit LV600HH | Levoit Superior 6000S (LEH-S601S-WUS) |
|---|---|---|
| Hygiene & Ease of Cleaning | 4.8Ultrasonic has the highest dispersal per EPA; BabyGearLab says it is somewhat harder to clean. | 8.3Evaporative wicks (lowest EPA dispersal type); Bob Vila rated cleaning 5/5; wicks need replacing on schedule. |
| Humidifying Performance | 8.0Largest gain in Reviewed testing; 6 L tank, 753 sq ft max. | 8.6Held ~50% RH in Bob Vila testing; the 3,000 sq ft and 72 h figures are untested manufacturer claims; single-publisher evidence. |
| Quiet & Sleep-Friendly | 6.8No verified dB figure; no sleep-mode evidence. | 8.0About 28–45 dB in Bob Vila testing; has a sleep mode. |
| Health, Safety & Materials | 5.5CARB/Intertek marks; tap water causes white dust and PM2.5. | 8.2No white dust or steam burn risk and no CPSC recall found, but tank material and BPA status are undisclosed. |
| Ease of Use | 6.5Remote and auto mode; bottom-fill means flipping the tank. | 8.8Wheels, fill hose, app and auto humidistat; heavy and tall when full. |
| Value | 7.6$99.99 with no filters, but distilled water and warm-mode power add cost. | 6.8$249.99 upfront; 30 W draw and tap water keep running costs low; wick 4-pack is $39.99. |
Specifications
| Spec | Levoit LV600HH | Levoit Superior 6000S (LEH-S601S-WUS) |
|---|---|---|
| Humidifier type | Hybrid ultrasonic (warm & cool mist) | Evaporative (wick) |
| Tank capacity | 6 L | 22.7 L |
| Max runtime per tank (manufacturer) | 50 hours | 72 hours |
| Rated room coverage | 753 sq ft | 3,000 sq ft |
| Noise (manufacturer-rated or lab-measured) | — | 28 dB |
| Top-fill tank | No | — |
| Requires replaceable filter/cartridge | No | Yes |
| Built-in humidistat / auto mode | Yes | Yes |
| Built-in night light | — | No |
| Built-in white-noise / sound machine | No | No |
| Mist temperature | Warm or cool | Cool (evaporative) |
| Wi-Fi app / voice control | No | Yes |
| White dust / mineral dispersal risk (per EPA type guidance) | High with tap water (ultrasonic); use distilled | Low (evaporative; tap water OK per Levoit) |
| Wick replacement interval / cost | — | 4 wicks; 4-pack $39.99 (Levoit); owner replaced every 3–6 months depending on buildup (The Gadgeteer) |
| Antimicrobial / UV measures | — | Dry Mode dries wicks to limit mold (Levoit) |
| Warranty | — | 2 years |
Levoit LV600HH
Pros
- Largest humidity increase in Reviewed's testing
- Low price
- Filterless, with no cartridges to buy
- Remote and auto mode
- Warm and cool mist
Cons
- Bottom-fill tank must be flipped
- Harder to clean
- Ultrasonic mineral dispersal means distilled water
- About 280 W in warm mode
- No app
A budget route to high output for distilled-water users. Cleaning and refilling are less convenient than with the LV600S.
Full Levoit LV600HH review →Levoit Superior 6000S (LEH-S601S-WUS)
Pros
- Largest tank in the group, with hose refill and wheels
- Held target humidity without dampness in testing
- Quiet range of about 28 to 45 dB
- Low 30 W power draw
- Works with tap water and avoids white dust
- Smart app control and auto mode
Cons
- Expensive upfront
- Tall (26.8 in) and heavy when full
- Replacement wicks add running cost
- Independent testing comes from a single publisher
The best option for open-plan homes and big living areas. It costs the most of the evaporative picks, but low refill frequency, easy cleaning and low energy use justify it for large spaces.
Full Levoit Superior 6000S (LEH-S601S-WUS) review →Both products are part of our guide The Best Humidifiers for Large Rooms of 2026, where you can see every pick, how we score and current prices from each retailer.