# Classic 300S Smart Ultrasonic Humidifier vs Evap40 Evaporative Humidifier: specs and price compared

A sourced, side-by-side comparison of the Classic 300S Smart Ultrasonic Humidifier (Levoit) and Evap40 Evaporative Humidifier (Vornado) among humidifiers. Classic 300S Smart Ultrasonic Humidifier is the cheaper of the two at $79.99.

## Side by side

| Spec | Classic 300S Smart Ultrasonic Humidifier | Evap40 Evaporative Humidifier |
| --- | --- | --- |
| US price | $79.99 | $149.99 |
| Brand | Levoit | Vornado |
| Released | 2022 | — |
| Type | ultrasonic | evaporative |
| Tank capacity liters | 6 | 15.14 |
| Coverage (sq ft) | 505 | 1000 |
| Runtime hours | 60 | 24 |
| Smart Wi-Fi | Yes | No |
| Top fill | Yes | No |
| Noise dba | 30 | — |

## Key differences

- Type: Classic 300S Smart Ultrasonic Humidifier ultrasonic vs Evap40 Evaporative Humidifier evaporative
- Tank capacity liters: Classic 300S Smart Ultrasonic Humidifier 6 vs Evap40 Evaporative Humidifier 15.14
- Coverage (sq ft): Classic 300S Smart Ultrasonic Humidifier 505 vs Evap40 Evaporative Humidifier 1000
- Runtime hours: Classic 300S Smart Ultrasonic Humidifier 60 vs Evap40 Evaporative Humidifier 24
- Smart Wi-Fi: Classic 300S Smart Ultrasonic Humidifier Yes vs Evap40 Evaporative Humidifier No
- Top fill: Classic 300S Smart Ultrasonic Humidifier Yes vs Evap40 Evaporative Humidifier No

## What reviewers say

**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.)

**Evap40 Evaporative Humidifier** — Only one whitelisted tester (Reviewed/USA Today) covers the exact Vornado Evap40, and it curated the pick from user reviews and product specifications rather than hands-on lab-testing this model, so no measured data exists for it. Reviewed praises the long runtime (fewer refills), quiet operation, and spill/leak-proof build, but flags the high price. Treat as light, single-source evidence. (1 sourced review.)

## Sources

- Classic 300S Smart Ultrasonic Humidifier: https://levoit.com/products/classic-300s-smart-ultrasonic-top-fill-cool-mist-humidifier (levoit.com, verified 2026-06-15)
- Evap40 Evaporative Humidifier: https://vornado.com/products/evap40-evaporative-humidifier (vornado.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-vornado-evap40/
Cite: Per The Front Desk Review, Classic 300S Smart Ultrasonic Humidifier ($79.99) vs Evap40 Evaporative Humidifier ($149.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-vornado-evap40/
License: CC BY 4.0.