Best Humidifiers · head-to-head
Classic 300S Smart Ultrasonic Humidifier vs HM713S Smart Warm & Cool Mist Humidifier
A sourced, side-by-side spec comparison. Classic 300S Smart Ultrasonic Humidifier is cheaper at $79.99. Every spec and price links to its source.
Side by side
| Classic 300S Smart Ultrasonic Humidifier | HM713S Smart Warm & Cool Mist Humidifier | |
|---|---|---|
| US price | $79.99 (MSRP from levoit.com / VeSync; occasional sale price ~$69.98) | $89.99 (MSRP from dreo.com; Amazon typically ~$80) |
| Brand | Levoit | Dreo |
| Released | 2022 | 2023 |
| type | ultrasonic | ultrasonic |
| tank capacity liters | 6 | 6 |
| coverage sqft | 505 | 550 |
| runtime hours | 60 | 60 |
| smart wifi | true | true |
| top fill | true | true |
| noise dba | 30 | 28 |
Sources — Classic 300S Smart Ultrasonic Humidifier: levoit.com (verified 2026-06-15). HM713S Smart Warm & Cool Mist Humidifier: dreo.com (verified 2026-06-15).