1 / 7BLUEAIR InvisibleMist H35i Humidifier, 3.5 L
The BLUEAIR InvisibleMist H35i is a 3.5-liter evaporative humidifier listed for rooms up to 500 square feet. Its top-fill tank, app and touch controls, and humidity-management modes suit buyers seeking a mist-free bedroom or living-room setup, with a wick filter that needs periodic replacement.
At a glance
- Evaporative operation and 360° InvisibleMist are described as mist-free, with the wick filter intended to capture minerals and pollutants before moisture is released.
- Top-fill access is designed to simplify refilling, and the listing says the tank is dishwasher safe.
- AutoHydrate is described as adjusting humidity toward a selected level. App and touchscreen controls are listed.
- The claimed 48-hour runtime applies to night mode at 77°F (25°C) and 50% RH. The manufacturer says actual results vary with room conditions.
Reference price: $149.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- 3.5-liter tank and stated coverage of up to 500 square feet are useful for larger bedrooms or shared living spaces.
- Top-fill design and a dishwasher-safe tank can make refilling and tank cleaning more convenient.
- App and touch controls, AutoHydrate, and a quiet night mode provide several ways to manage bedroom humidity.
Cons
- The wick filter is a replacement consumable. The listing gives it a stated lifespan of six months, so ongoing filter replacement is part of upkeep.
Technical specifications
13 specifications| Brand | BLUEAIR |
|---|---|
| Model | 114857 |
| Water capacity | 3.5 liters |
|---|---|
| Listed floor area | 500 square_feet |
| Runtime | 48 hours |
| Operating mode | Evaporative |
| Control methods listed | App, Touch |
|---|---|
| Filter type | Wick |
| Dimensions (D × W × H) | 9.4"D x 9.4"W x 14.6"H |
|---|---|
| Shape | Round |
| Color | White |
| Material listed | Plastic |
| Listed features | Corded, Digital Display, Dishwasher Safe, Quiet, Removable Tank |
What to know before buying
Listing details to confirm
The 48-hour figure is a night-mode claim under 77°F (25°C) and 50% RH, not an unconditional runtime. Room conditions affect results. The manufacturer also describes app and voice control, while listed controls specify app and touch. Confirm voice-control availability for the configuration and app in use.
What’s in the box
Included- Humidifier
- Pre-installed filter
- User manual
Who is it for?
A good fit for
- People looking for an evaporative, mist-free humidifier for a bedroom, nursery, office, or living room.
- Buyers who prefer top-fill refilling, app or touch adjustment, and automatic humidity management.
Less suited to
- Buyers seeking a humidifier with no replaceable wick filter or no ongoing maintenance.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
10% 10% - 3 stars
5% 5% - 2 stars
4% 4% - 1 star
7% 7%
Customer feedback highlights ease of use, performance, humidity control, and quiet operation. Some customers appreciate the reported mist-free use without white dust or sticky residue, while opinions on value are mixed, with some finding it expensive or problematic. For a bedroom humidifier with app and touch controls, quiet operation and straightforward top filling matter in daily use, but the feedback does not establish how consistently it performs in every room.
Positive themes
- Customers praise ease of use, performance, humidity control, and quiet operation.
Negative themes
- Some customers find it expensive or describe problems, without a specific issue established in the supplied feedback.
Mixed feedback
- Opinions about value for money differ.
Frequently asked questions
How long does the BLUEAIR H35i run per fill?
The listing claims up to 48 hours in night mode at 77°F (25°C) and 50% RH. Actual runtime may vary with room conditions.
What type of humidifier is the H35i?
It is listed as an evaporative humidifier with a wick filter. The manufacturer describes its InvisibleMist technology as mist-free.
How is the H35i controlled?
The listed control methods are app and touch. The feature copy also mentions voice control, so check whether that option is available with your setup.
What maintenance does it need?
The tank is described as dishwasher safe, and the manufacturer states the anti-microbial wick filter has a six-month lifespan. Replacement timing may depend on use.

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