Levoit Dual 200S vs Levoit OasisMist 450S
Small cool-mist vs mid-size warm-and-cool.
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How this page was made: our picks are based on manufacturer specifications (product pages, manuals and spec sheets, all linked below) and aggregated owner reviews. We have not tested these products hands-on, and we do not publish invented test results, scores or star ratings. Read our methodology.
The Levoit Dual 200S and OasisMist 450S are both top-fill Levoit humidifiers. This page is based on manufacturer-published specifications and manuals plus aggregated owner reviews; we did not test the products ourselves.
Short answer
Choose the Dual 200S for small rooms and low power. Choose the 450S for warm mist and rooms up to 430 ft².
Check Levoit Dual 200S price (opens in a new tab)Check Levoit OasisMist 450S price (opens in a new tab)
Levoit Dual 200S vs Levoit OasisMist 450S: specs side by side
| Spec | Levoit Dual 200S | Levoit OasisMist 450S |
|---|---|---|
| Mist | Cool | Warm and cool |
| Tank | 3 L | 4.5 L |
| Rated room | 107–290 ft² | 215–430 ft² |
| Run time | Up to 25 h (low) | Up to 45 h (low) |
| Noise | ≤28 dB | Under 26 dB (low, cool) |
| Rated power | 24W | 280W (warm) |
| Dimensions | 7.1 × 7.1 × 11.8 in | See Levoit |
Pros and cons
Levoit Dual 200S: pros
- Compact
- 24W
Levoit Dual 200S: cons
- 3 L tank
Levoit OasisMist 450S: pros
- Warm mist
- Longer run time
Levoit OasisMist 450S: cons
- 280W warm
Who should buy which
Room size and warm mist.
How we compared
We compared manufacturer-published specifications. See how we research.
Frequently asked questions
Which is quieter?
Levoit lists under 26 dB for the 450S on low cool and ≤28 dB for the Dual 200S.
Did you test it?
No. This page uses manufacturer specifications and aggregated owner reviews. See how we research.
Sources
Specifications were checked against the manufacturer pages, manuals and spec sheets below in October 2026. Makers revise specs and sell regional variants, so confirm the exact model number before you buy. We do not list prices because they change daily; use the retailer link to see the current price.
Keep reading
Levoit Dual 200S review
A small, quiet top-fill humidifier for bedrooms and plant shelves.
Read the comparison ReviewHumidifiersLevoit OasisMist 450S review
A mid-size humidifier with warm and cool mist.
Read the comparison Best ofHumidifiersBest humidifier for a bedroom
Quiet operation and a full night of run time matter most in a bedroom.
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