BLUEAIR 2-in-1 DH3i Air Purifier and Humidifier, Model 111811

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Product guide

BLUEAIR 2-in-1 DH3i Air Purifier and Humidifier, Model 111811

Purifier Humidifier Model: The BLUEAIR DH3i combines air purification and evaporative-style humidification in one app- and touch-controlled unit. Its listed room coverage is 1,726 square feet, but customer feedback raises practical concerns about frequent water refills, humidity control and reliability.

At a glance

Combines air purification and humidification, avoiding the need for two separate appliances.
The listing describes a refill point at the LED display, a removable tank and a pump indicator that signals when water is needed.
Automatic wick drying is intended to ventilate the wick after use.
App and touch control options are listed.

Price

$449.99Save 25%

Reference price: ~~$599.66~~

Price checked: Nov 13, 2026

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Often bought together

BLUEAIR Air Purifier + Humidifer for Bedrooms up to 1,726 sq ft, 2in1 DH3i | HEPASilent Filtration + 360° InvisibleMist, AHAM

$319.99

Pros and cons

Pros

Two air-care functions are combined in a single appliance.
A pump indicator is described as alerting users when a refill is needed.
The tank has a large opening intended to make deeper cleaning easier.

Cons

Customer feedback reports frequent refilling, including daily refills for some users.
Feedback reports concerns about value for money, while reliability, humidity control and noise experiences are mixed.

Technical specifications

16 specifications

Identity
Brand	BLUEAIR
Model	111811

Controls and power
Control methods listed	App, Touch
Power configuration	Corded Electric

Dimensions and installation
Dimensions listed	36.3D x 40.9W x 72.9H centimetres
Weight listed	9.1 kg

Purification and coverage
Listed floor area	1726 square_feet
Filtration technology	HEPASilent™ Technology
Particle retention size	0.1 micron
Contaminants listed	PM1, PM2.5, PM10, pollen, dust, pet dander
Certification listed	AHAM Certified
Noise level listed	24 db

Humidification and features
Filter type	Wick
Special features	Digital Display, Night Light, Quiet, Removable Tank
Wattage listed	4.1 watts
Colour	White

What to know before buying

The stated area of 1,726 square feet is a listing claim, not a guarantee of performance throughout that space. Customer feedback also describes frequent refills and mixed humidity-control experiences, so consider refill frequency and room needs before buying.

What’s in the box

Included

2-in-1 humidifier
Pre-installed filters
User manual

Who is it for?

A good fit for

Buyers who want an air purifier and humidifier in one corded appliance.
People who prefer app and touch controls and want a listed refill alert and automatic wick-drying mode.

Less suited to

Buyers who want to avoid regular water refills or prioritise consistently praised humidity control.
Anyone seeking a cordless appliance.

BLUEAIR 2-in-1 DH3i Air Purifier and Humidifier, Model 111811 · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.7 / 5 · 149 ratings

5 stars51%51%
4 stars15%15%
3 stars8%8%
2 stars8%8%
1 star18%18%

Customer feedback praises the app's ease of use, but also reports poor perceived value and frequent refilling, with some users describing daily refills and overfilling. Experiences with reliability, humidity control and noise are mixed. These concerns matter for a combined purifier and humidifier: the listed app control and large stated coverage do not resolve refill demands or uneven customer experiences. Aggregate ratings are mixed overall, so they do not establish consistent performance for any one feature.

Positive themes

Customers describe the app as intuitive and easy to use.

Negative themes

Feedback reports poor value perceptions and frequent refilling, including daily refills for some users.

Mixed feedback

Customer experiences with reliability, humidity control and noise are mixed.

Frequently asked questions

Does the BLUEAIR DH3i purify and humidify?

Yes. The listing describes HEPASilent air purification alongside 360° InvisibleMist humidification in a single appliance.

How is the DH3i controlled?

The listed control methods are app and touch.

What should I know about refilling?

The listing describes a display-area refill point and a pump indicator for low water. Customer feedback reports frequent refills, including daily refilling for some users.

Is the listed room coverage a performance guarantee?

No. The listing states 1,726 square feet, but this should be treated as a manufacturer claim rather than a guarantee for every room or condition.