Levoit Classic 300S specs
Levoit Classic 300S is a humidifier with a 6 L tank, room coverage of 215–505 sq ft, as listed on the maker’s U.S. product page.
Levoit Classic 300S is a humidifier with a 6 L tank, room coverage of 215–505 sq ft and a stated sound level of 30 dB.
Official specs
| Mist output | n/c |
|---|---|
| Warm mist output | n/c |
| Tank | 6 L (1.58 gal) |
| Room coverage | 215–505 sq ft |
| Maximum run time | 60 h |
| Power | 26 W |
| Voltage | 120 V |
| Dimensions | 9.6 × 7.5 × 13.4 in |
| Weight | 4.3 lb |
| UPC | 810043373210 |
| Noise level | 30 dB |
| Maker model number | Classic 300S |
Source: Levoit U.S. product page (levoit.com). Product name on the page: “Levoit Classic 300S Ultrasonic Smart Humidifier with Aromatherapy”.
Similar humidifiers
| Model | Mist outputmL/h | TankL | Room coveragesq ft |
|---|---|---|---|
| Levoit Classic 300S this page | n/c | 6 | 215–505 |
| Levoit NeoClassic Max | 300 | 6.1 | 507 |
| Levoit Superior Studio | 400 | 4.5 | 600 |
| Levoit Sprout | 280 | 3.8 | 219 |
Skip it if
- Your room is larger than 505 sq ft: that is the largest coverage the page lists.
- You compare by mist output: the page prints no mL/h figure (n/c).
- You want warm mist: only some pages describe it, so check this one’s product name and page.
How it ranks in our maker-page data
- tank size (L): 6 — rank 4 of 14 humidifier models in our data that state this figure (highest value first).
- largest listed room coverage (sq ft): 505 — rank 9 of 16 humidifier models in our data that state this figure (highest value first).
Ranks compare this model only with the humidifier models whose maker pages we read (2026-11-07); other brands and models are not included, and nothing here is about products on sale today.
Reading these specs
- Mist output
- Mist output in milliliters per hour as printed on the page, where listed.
- Tank
- Water tank size in liters.
- Room coverage
- The room size in square feet the maker states (a range when the page gives one for different modes).
- Noise level
- Sound level in dB as printed on the maker’s page, where listed; a range when the page gives one.
Sound level is shown when the maker’s page states it; otherwise it shows as n/c. Makers measure sound under their own conditions.
Other model numbers in this listing
The maker’s page lists these variants together with Classic 300S; they share the specs above.
- HEAPHULVSUS0034
Where to buy
Search Amazon.com for this exact model. Prices and availability change, so we don’t print them.
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Frequently asked questions
What room size is the Levoit Classic 300S listed for?
The maker’s page lists room coverage of 215–505 sq ft. Treat it as a stated figure and allow for ceiling height and how open the space is.
How big is the tank of the Levoit Classic 300S, and how much mist does it make?
The tank is listed at 6 L. Mist output: n/c. Maximum run time: 60 h.
How loud is the Levoit Classic 300S?
The page lists 30 dB. Makers measure sound under their own conditions, so use the figure to compare stated values only.
Sources
- Levoit U.S. product page (levoit.com) (official maker page, specs read 2026-11-07)
- Levoit U.S. website
We compile and compare published data; we do not run our own product tests. See How We Compare.