Levoit
Classic 300S Smart Ultrasonic Humidifier
$79.99
Released 2022
Best Humidifiers · head-to-head
Classic 300S Smart Ultrasonic Humidifier vs MistAire Ultrasonic Cool Mist Humidifier
A sourced, side-by-side comparison. MistAire Ultrasonic Cool Mist Humidifier is cheaper at $39.99. Every spec and price links to its source.
Pure Enrichment
MistAire Ultrasonic Cool Mist Humidifier
$39.99Cheaper
Which is better: the Classic 300S Smart Ultrasonic Humidifier or MistAire Ultrasonic Cool Mist Humidifier?
On the specs we track, they're closely matched. The MistAire Ultrasonic Cool Mist Humidifier is the cheaper at $39.99.
See Classic 300S Smart Ultrasonic Humidifier on Amazon Check MistAire Ultrasonic Cool Mist Humidifier price
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Classic 300S Smart Ultrasonic Humidifier | MistAire Ultrasonic Cool Mist Humidifier |
|---|---|---|
| US price | $79.99 | $39.99 |
| Brand | Levoit | Pure Enrichment |
| Released | 2022 | — |
| Type | ultrasonic | ultrasonic |
| Tank capacity liters | 6 | 1.7 |
| Coverage (sq ft) | 505 | 250 |
| Runtime hours | 60 | 25 |
| Smart Wi-Fi | Yes | No |
| Top fill | Yes | No |
| Noise dba | 30 | — |
Sources — Classic 300S Smart Ultrasonic Humidifier: levoit.com (verified 2026-06-15). MistAire Ultrasonic Cool Mist Humidifier: pureenrichment.com (verified 2026-06-15).
What's the difference between the Classic 300S Smart Ultrasonic Humidifier and MistAire Ultrasonic Cool Mist Humidifier?
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
- Tank capacity liters: Classic 300S Smart Ultrasonic Humidifier 6 vs MistAire Ultrasonic Cool Mist Humidifier 1.7
- Coverage (sq ft): Classic 300S Smart Ultrasonic Humidifier 505 vs MistAire Ultrasonic Cool Mist Humidifier 250
- Runtime hours: Classic 300S Smart Ultrasonic Humidifier 60 vs MistAire Ultrasonic Cool Mist Humidifier 25
- Smart Wi-Fi: Classic 300S Smart Ultrasonic Humidifier true vs MistAire Ultrasonic Cool Mist Humidifier false
- Top fill: Classic 300S Smart Ultrasonic Humidifier true vs MistAire Ultrasonic Cool Mist Humidifier false
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Classic 300S Smart Ultrasonic Humidifier
Only one whitelisted tester yielded a readable, hands-on review: Wirecutter names the Classic 300S its humidifier runner-up, calling it nearly as powerful and reliable as its Levoit LV600S top pick with a handy night-light, but flags an unintuitive icon-only interface, tricky cleaning, and reports of tank leaks. RTINGS (paywalled) and TechGearLab (site maintenance) were unreadable and discarded. (1 sourced review, 1 lab-tested.)
Praised: Nearly as powerful and reliable as Wirecutter's top-pick LV600S, and similarly avoids over-humidifying the room; Pleasant built-in night-light that is easy to turn off without stopping humidification; Same smart-home features and same two-year warranty as the top pick.
Flagged: Icon-only onboard buttons are less intuitive and harder to navigate than the top pick's labeled buttons; Reports of the tank leaking after a few months of use (Amazon reviewers and Wirecutter staffers); Harder to clean than the top pick due to the awkward water-vapor chimney and complex basin water channel.
MistAire Ultrasonic Cool Mist Humidifier
No sourced tester review yet.