What to know about Safety 1st IH555 (IH5550924) Connected Smart Humidifier
Why it stands out
Why we like it
The app sends low-water and time-to-clean alerts, which helps with regular upkeep. The ceramic filter is cleaned, not replaced, every 250 gallons, so there is little filter waste.
What to know
Score breakdown
How easy it is to fully disassemble, reach and dry every wet surface. Covers dishwasher-safe or boilable parts, mold-inhibiting features, and parts count. Weighted heavily by BabyGearLab (35%) and stressed by Babylist, Forbes and RTINGS.
Ability to raise and hold nursery humidity in the 40–50% range: tested output, coverage for the room size, overnight runtime per tank, and humidistat or auto-mode accuracy.
Measured or rated noise, absence of gurgles and beeps, dimmable or switch-off lights, and nursery extras like a red night light or white noise that help rather than disturb sleep.
Cool-mist or evaporative design (no burn risk), stainless or BPA-free water-contact materials, and white-dust/mineral mitigation such as demineralization filters or evaporative design. Also covers tip and leak resistance, auto shut-off, and any recalls or regulatory warnings.
Filling (top-fill vs flip-tank), controls usable in the dark, app reliability, leak-free refills, and how easy it is to move or place.
Street price plus ongoing costs (filters, cartridges), weighed against warranty length and performance.
Safety 1st IH555 (IH5550924) Connected Smart Humidifier specs
Design
- Humidifier type
- Ultrasonic cool mist (smart)
Health & materials
- Water tank material
- Plastic (unspecified)
Performance
- Tank capacity
- 3.8 L
- Max runtime per tank (manufacturer)
- 24 hours
- Rated room coverage
- 500 sq ft
- Built-in humidistat / auto mode
- Yes
Ease of use
- Top-fill tank
- Yes
Running cost
- Requires replaceable filter/cartridge
- Yes
Sleep
- Built-in night light
- Yes
- Built-in white-noise / sound machine
- No
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| AmazonLowest | $89.99 $99.99 | In Stock | View deal |
Based on 2 retailer price observations captured during the last 90 days.