# Classic 300S Smart Ultrasonic Humidifier vs HM713S Smart Warm & Cool Mist Humidifier: specs and price compared

A sourced, side-by-side comparison of the Classic 300S Smart Ultrasonic Humidifier (Levoit) and HM713S Smart Warm & Cool Mist Humidifier (Dreo) 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 | HM713S Smart Warm & Cool Mist Humidifier |
| --- | --- | --- |
| US price | $79.99 | $89.99 |
| Brand | Levoit | Dreo |
| Released | 2022 | 2023 |
| Type | ultrasonic | ultrasonic |
| Tank capacity liters | 6 | 6 |
| Coverage (sq ft) | 505 | 550 |
| Runtime hours | 60 | 60 |
| Smart Wi-Fi | Yes | Yes |
| Top fill | Yes | Yes |
| Noise dba | 30 | 28 |

## Key differences

- Coverage (sq ft): Classic 300S Smart Ultrasonic Humidifier 505 vs HM713S Smart Warm & Cool Mist Humidifier 550
- Noise dba: Classic 300S Smart Ultrasonic Humidifier 30 vs HM713S Smart Warm & Cool Mist Humidifier 28

## 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.)

## 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)
- HM713S Smart Warm & Cool Mist Humidifier: https://www.dreo.com/products/hm713s-smart-humidifier (dreo.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-dreo-hm713s/
Cite: Per The Front Desk Review, Classic 300S Smart Ultrasonic Humidifier ($79.99) vs HM713S Smart Warm & Cool Mist Humidifier ($89.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/humidifiers/levoit-classic-300s-vs-dreo-hm713s/
License: CC BY 4.0.