Humidifiers · Head-to-head
Levoit LV600HH vs Levoit LV600S (LUH-A602S-WUS)
Best Warm & Cool Mist for Large Bedrooms
Levoit LV600S (LUH-A602S-WUS)
6.7/10
$109.00 at Amazon
Check price at Amazon
The short answer
Levoit LV600S (LUH-A602S-WUS) comes out ahead overall with 6.7/10 against 6.4/10 for the Levoit LV600HH. Levoit LV600HH is stronger on value. Levoit LV600S (LUH-A602S-WUS) is stronger on ease of use. At current verified prices, the Levoit LV600HH costs about $9.01 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 LV600S (LUH-A602S-WUS) if: Large bedrooms or living rooms up to ~750 sq ft where you want fast humidity gains, top-fill, warm mist and app control, and you will use distilled water.
Scores by criterion
| Criterion | Levoit LV600HH | Levoit LV600S (LUH-A602S-WUS) |
|---|---|---|
| Hygiene & Ease of Cleaning | 4.8Ultrasonic has the highest dispersal per EPA; BabyGearLab says it is somewhat harder to clean. | 5.0Ultrasonic disperses minerals and microbes per EPA; TechGearLab says it is harder to clean. |
| Humidifying Performance | 8.0Largest gain in Reviewed testing; 6 L tank, 753 sq ft max. | 8.2Largest one-hour gain in TechGearLab testing, but only a 6 L tank and 753 sq ft max. |
| Quiet & Sleep-Friendly | 6.8No verified dB figure; no sleep-mode evidence. | 7.025 dB claimed; TechGearLab measured 44.2 dB at its test setting. |
| Health, Safety & Materials | 5.5CARB/Intertek marks; tap water causes white dust and PM2.5. | 5.5BPA-free badge and CARB/Intertek marks; tap water carries PM2.5 risk (U of Alberta). |
| Ease of Use | 6.5Remote and auto mode; bottom-fill means flipping the tank. | 8.5Top-fill, auto mode and app; some owner reports of sensor inaccuracy. |
| Value | 7.6$99.99 with no filters, but distilled water and warm-mode power add cost. | 7.0$109 is fair, but distilled water and 280 W warm mode add ongoing cost. |
Specifications
| Spec | Levoit LV600HH | Levoit LV600S (LUH-A602S-WUS) |
|---|---|---|
| Humidifier type | Hybrid ultrasonic (warm & cool mist) | Hybrid ultrasonic (warm & cool mist) |
| Water tank material | — | BPA-free plastic (Levoit badge) |
| Tank capacity | 6 L | 6 L |
| Max runtime per tank (manufacturer) | 50 hours | 50 hours |
| Rated room coverage | 753 sq ft | 753 sq ft |
| Noise (manufacturer-rated or lab-measured) | — | 25 dB |
| Top-fill tank | No | Yes |
| Requires replaceable filter/cartridge | No | Yes |
| Built-in humidistat / auto mode | Yes | Yes |
| Built-in white-noise / sound machine | No | No |
| Mist temperature | Warm or cool | Warm or cool |
| Wi-Fi app / voice control | No | Yes |
| White dust / mineral dispersal risk (per EPA type guidance) | High with tap water (ultrasonic); use distilled | High with tap water (ultrasonic); use distilled |
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 LV600S (LUH-A602S-WUS)
Pros
- Largest one-hour humidity gain in TechGearLab's test
- Top-fill tank
- Warm and cool mist
- App control and auto mode
- Mid-priced
Cons
- Needs distilled water
- Warm mode uses about 280 W
- Harder to clean than evaporative units
- Measured 44.2 dB in TechGearLab's test, above the claimed 25 dB
A strong, convenient high-output choice for big bedrooms if you commit to distilled water. It is not the right tool for a truly open-plan home.
Full Levoit LV600S (LUH-A602S-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.