BLUEAIR InvisibleMist H35i Humidifier, 3.5 L

BLUEAIR InvisibleMist H35i is an evaporative humidifier with a 3.5-litre tank, app control and a manufacturer-listed coverage area of 500 square feet. Its top-fill design and automatic humidity mode are aimed at easier day-to-day use, while the claimed 48-hour runtime applies only under specified night-mode conditions.

At a glance

Evaporative operation with a wick filter and a removable, top-fill tank.
App-based humidity monitoring and adjustment, with AutoHydrate mode listed by the manufacturer.
Manufacturer claims up to 48 hours of runtime in night mode at 77°F (25°C) and 50% RH. Actual runtime may vary with room conditions.
The listing describes a UV-integrated water pump with continuous water recirculation, intended to help reduce bacterial growth in stagnant water.

Price

$159.99Save 20%

Reference price: ~~$199.99~~

Price checked: Nov 13, 2026

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Often bought together

H35i Humidifier Replacement Wick Filter

$34.99

Pros and cons

Pros

Top filling can simplify refills, and the tank is described as dishwasher safe for cleaning.
App control and the listed AutoHydrate feature offer humidity monitoring and automatic adjustment.
Evaporative wick filtration is promoted as capturing minerals before humidified air is released, avoiding white dust according to the manufacturer.

Cons

The stated maximum runtime is conditional on night mode and specified temperature and humidity, rather than a general runtime guarantee.

Technical specifications

14 specifications

Identity
Brand	BLUEAIR
Model	114857
Colour	White

Humidification
Tank capacity	3.5 liters
Listed floor area	500 square_feet
Operation mode	Evaporative
Filter type	Wick
Runtime	48 hours

Controls and features
Control method	App
Listed features	Corded, Digital Display, Dishwasher Safe, Quiet, Removable Tank
Item highlights	360° InvisibleMist Tech, UV-Integrated Water Pump, AutoHydrate Humidity, Quiet Night Mode, WiFi App Control, Top-Fill

Dimensions and materials
Dimensions	23.9D x 23.9W x 37.1H centimetres
Material	Plastic
Shape	Round

What to know before buying

Listing details to confirm

Runtime of 48 hours is a manufacturer claim based on 77°F (25°C) and 50% RH in night mode, with results varying by room conditions. The listed 500-square-foot coverage is also a manufacturer claim, not an independently confirmed room-size result. The title uses H35i while the model field lists 114857, and a separate model number is also shown as 3531912000. Confirm the exact model identity in the selected listing.

What’s in the box

Included

Humidifier
Pre-installed filter
User manual

Who is it for?

A good fit for

People seeking an evaporative humidifier with app control and a top-fill tank.
Bedrooms or other rooms where a claimed 500-square-foot coverage area is relevant, subject to room conditions.
Buyers who want a removable tank and a wick-filter design.

Less suited to

Anyone who needs a guaranteed 48-hour runtime outside the stated night-mode test conditions.
Buyers who require independently verified room coverage or performance measurements.

BLUEAIR InvisibleMist H35i Humidifier, 3.5 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 95 ratings

5 stars73%73%
4 stars10%10%
3 stars6%6%
2 stars3%3%
1 star8%8%

Customer feedback reports easy operation and refilling, quiet use, effective humidification and useful humidity readings. Those impressions matter for bedrooms and routine home use, while the listing’s stated coverage and runtime remain manufacturer claims rather than customer-verified guarantees. Aggregate ratings lean positive, but the distribution also includes lower ratings, so experiences are not uniformly favourable.