Delletir SK7620 Cool Mist Humidifier: Is This Quiet 3.5L Unit Worth It in 2026?
A quiet, affordable cool mist humidifier with easy top-fill design that works well for bedrooms and small rooms, but lacks smart features and a humidistat.
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Key Specifications
Best For
How this humidifier scores for different use cases
The 24dB noise level is excellent for sleep, and 10 hours of runtime on low is decent for overnight use. The 7-color LED night light adds ambiance, but no timer or humidistat limits set-it-and-forget-it convenience.
Cool mist only and auto shut-off provide good safety basics, and 24dB operation won't wake babies. However, no BPA-free certification is listed, and no humidistat means you cannot maintain a precise humidity level for infant comfort.
At 2.42 lbs and a compact 11x7x7 inch footprint, it fits on a desk. The 24dB noise level won't disturb coworkers, and 6-10 hours of runtime covers a full workday.
The 500 sq ft coverage claim is respectable, but the 3.5L tank limits runtime to just 10 hours max. Large rooms need bigger tanks and higher mist output for effective all-day humidification.
At 2.42 lbs it is relatively light, but the 11x7x7 inch size is too bulky for packing in luggage. It also lacks USB power, requiring a standard outlet.
No WiFi, no app control, no voice assistant integration, and no remote control. This product offers zero smart home capabilities.
Our Verdict
The Delletir SK7620 does basic humidification well at a low price. You get 500 sq ft of coverage, three mist levels, and a 3.5L top-fill tank for $24.22.
Its 24dB noise level stands out. That is quieter than most competitors in this price range. You can run it overnight without hearing a thing.
The top-fill design saves you real frustration. You lift the lid, pour water in, and you're done. Cleaning is just as straightforward.
You also get a built-in essential oil tray and 7-color LED night light. These extras add nice value at this price point.
Here is what you give up. There is no humidistat, no timer, and no smart features. You adjust mist levels manually and cannot set a target humidity.
The 3.5L tank runs 6 to 10 hours depending on your mist setting. That works for a bedroom but falls short for large rooms or all-day use.
This humidifier fits best in a bedroom, nursery, or small office. It handles one room quietly and simply without extra complexity.
What We Like
- Runs at just 24dB, quieter than a whisper, so it won't wake you or your baby at night.
- Top-fill design and wide opening make refilling and cleaning quick and simple.
- Built-in essential oil tray lets you add your favorite scents for aromatherapy.
- Three mist levels give you up to 10 hours of continuous cool mist on the low setting.
- Auto shut-off activates when the tank runs dry, keeping your home safe.
What Could Be Better
- No built-in humidistat to measure or maintain a target humidity level automatically.
- No timer function to schedule when the humidifier turns on or off.
- No warm mist or dual mist option for cold and flu season relief.
- No WiFi, app control, or voice assistant support for smart home setups.
- The 3.5L tank only lasts 6 hours on the highest mist setting.
Standout Features
Full Specifications
Humidification Performance
| Coverage Area | 500 |
Noise & Comfort
| Noise Level | 24 – 24 – dB |
Physical & Dimensions
| Weight | 2.42 |
| Width | 11 |
| Depth | 7 |
| Height | 7 |
Features
Included Features
Not Included
Frequently Asked Questions
Common questions aboutCool Mist Humidifiers for Babies, Bedroom, Nursery, Home and Office | Super Quiet Ultrasonic Vaporizer, Large Top-Refill 3.5L, Essential Oil Diffuser, Auto Off, Easy Clean
How long does the Delletir humidifier run on a full tank?
It runs up to 10 hours on the low mist setting, 8 hours on medium, and 6 hours on high. The 3.5L tank powers these runtimes.
Can I use essential oils with this humidifier?
Yes. It has a built-in aromatherapy tray where you add essential oils. The mist carries the scent into your room.
Is this humidifier quiet enough for a baby's room?
Yes. It operates at 24dB, which is quieter than a whisper. It also has auto shut-off when water runs out and 7-color LED night lights.
How do you fill and clean this humidifier?
You fill it from the top by removing the lid and pouring water directly in. The wide opening also makes it easy to reach inside for cleaning.
Does this humidifier have a built-in humidistat or timer?
No. It does not include a humidistat to measure room humidity or a timer to schedule operation. You control it manually with three mist level buttons.
Best For
How this humidifier scores for different use cases
The 24dB noise level is excellent for sleep, and 10 hours of runtime on low is decent for overnight use. The 7-color LED night light adds ambiance, but no timer or humidistat limits set-it-and-forget-it convenience.
Cool mist only and auto shut-off provide good safety basics, and 24dB operation won't wake babies. However, no BPA-free certification is listed, and no humidistat means you cannot maintain a precise humidity level for infant comfort.
At 2.42 lbs and a compact 11x7x7 inch footprint, it fits on a desk. The 24dB noise level won't disturb coworkers, and 6-10 hours of runtime covers a full workday.
The 500 sq ft coverage claim is respectable, but the 3.5L tank limits runtime to just 10 hours max. Large rooms need bigger tanks and higher mist output for effective all-day humidification.
At 2.42 lbs it is relatively light, but the 11x7x7 inch size is too bulky for packing in luggage. It also lacks USB power, requiring a standard outlet.
No WiFi, no app control, no voice assistant integration, and no remote control. This product offers zero smart home capabilities.
Scores
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