Levoit Classic 160 vs Safety 1st IH555 (IH5550924) Connected Smart Humidifier
Safety 1st IH555 (IH5550924) Connected Smart Humidifier
The short answer
Levoit Classic 160 comes out ahead overall with 7.0/10 against 6.6/10 for the Safety 1st IH555 (IH5550924) Connected Smart Humidifier. Levoit Classic 160 is stronger on quiet & sleep-friendly, health, safety & materials, ease of use and value. Safety 1st IH555 (IH5550924) Connected Smart Humidifier is stronger on humidifying performance. At current verified prices, the Levoit Classic 160 costs about $60.21 less.
- Choose the Levoit Classic 160 if: Parents of small nurseries who want a very quiet, lights-free, easy-to-clean top-fill unit for about $30.
- Choose the Safety 1st IH555 (IH5550924) Connected Smart Humidifier if: Tech-forward parents who want auto-humidity mode, an on-screen hygrometer and phone alerts for low water and cleaning.
Scores by criterion
| Criterion | Levoit Classic 160 | Safety 1st IH555 (IH5550924) Connected Smart Humidifier |
|---|---|---|
| Hygiene & Ease of Cleaning | 6.0Babylist says it comes apart fully and is faster to clean. Not lab-tested, and the sponge filter must be swapped. | 6.0Babylist's 'easy to clean' pro plus cleaning alerts. No dishwasher-safe parts confirmed and not lab-tested. |
| Humidifying Performance | 5.0190 mL/h maximum and no humidistat, so small rooms only. Not lab-tested. | 7.01 gallon, 24 hours, auto-humidity mode. Untested, so trimmed by 0.5. |
| Quiet & Sleep-Friendly | 8.5Under 28 dB rated, Babylist calls it 'very quiet', and it has no lights. | 6.5Dimmable light, but Babylist does not mention noise and it is unmeasured. |
| Health, Safety & Materials | 7.0BPA-free per Levoit. Ultrasonic white dust is a caveat. | 6.5Cool mist and child lock. Materials undisclosed, leak reports. |
| Ease of Use | 8.0Babylist's easiest to fill. Top fill with a simple dial. | 6.5Top fill and touch screen, but complicated setup and 2.4 GHz Wi-Fi required. |
| Value | 9.0About $30, 2-year warranty, $14.99 for 10 sponges. | 7.0$90 with no replacement filter. |
Specifications
| Spec | Levoit Classic 160 | Safety 1st IH555 (IH5550924) Connected Smart Humidifier |
|---|---|---|
| Humidifier type | Ultrasonic cool mist | Ultrasonic cool mist (smart) |
| Water tank material | BPA-free plastic | Plastic (unspecified) |
| Tank capacity | 2.5 L | 3.8 L |
| Max runtime per tank (manufacturer) | 25 hours | 24 hours |
| Rated room coverage | — | 500 sq ft |
| Noise (manufacturer-rated or lab-measured) | 28 dB | — |
| Top-fill tank | Yes | Yes |
| Requires replaceable filter/cartridge | Yes | Yes |
| Built-in humidistat / auto mode | No | Yes |
| Built-in night light | No | Yes |
| Built-in white-noise / sound machine | No | No |
Levoit Classic 160
Pros
- Budget price and a 2-year warranty
- Top-fill tank that comes apart for cleaning
- Very quiet with no lights
- BPA-free plastic per Levoit
- Up to 25 hours per fill
Cons
- Low output suits small rooms only
- No humidistat, so you need a separate hygrometer
- Uses replaceable sponge filters
- No independent lab test
The best value for a small nursery. It does the basics quietly and is simple to clean, but it can't keep up in a big room.
Full Levoit Classic 160 review →Safety 1st IH555 (IH5550924) Connected Smart Humidifier
Pros
- Auto-humidity mode with on-screen hygrometer
- Time-to-clean and low-water alerts
- Dimmable night light and child lock
- Top-fill 1-gallon tank
- Cleanable ceramic filter, not a disposable one
Cons
- Complicated setup
- Possible leaks
- No independent test of noise or output
- Materials and BPA status not disclosed
A sound choice for parents who want automatic humidity control and reminders. Plan on some setup time.
Full Safety 1st IH555 (IH5550924) Connected Smart Humidifier review →Both products are part of our guide The Best Humidifiers for Baby Nurseries of 2026, where you can see every pick, how we score and current prices from each retailer.