Philips 4000 Series HU4210/04

Name: Philips 4000 Series HU4210/04
Brand: Philips
SKU: 979976
Price: 111 EUR
Availability: InStock
Rating: 8.9 (20 reviews)

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Specifications

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Reviews
Maximum humidifiable surface
- 44 m2
- 56 m2
- 45 m2
- 50 m2
- 44 m2

Type of humidifier
- Cool mist humidifier
- Cool mist humidifier
- Cool mist humidifier
- Cool mist humidifier
- Cool mist humidifier

Maximum noise level
- 25 dB
- 34 dB
- 47 dB
- 39 dB
- 52 dB

Display

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Product information

Key specs

	Maximum humidifiable surface	44 m2
	Type of humidifier	Cool mist humidifier
	Capacity	3,5 l
	Maximum noise level	25 dB
	Humidistat
	Minimum adjustable humidity	30 %
	Maximum adjustable humidity	70 %
	Replaceable filter

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Pros and cons

According to our humidifier expert

With the app, you can control the humidifier remotely, even when you¿re not home.
Thanks to the built-in humidistat, the humidifier automatically turns on when the humidity drops.
You can safely place this humidifier in the bedroom, because it has a night mode.
You have to descale this humidifier yourself, because it doesn't have an automatic descaling program.

Description

With the Philips 4000 serie HU4210/04, you can easily keep the humidity in your home at the right level. The built-in humidistat measures the air and turns on the humidifier when the air is too dry. You can also control the device via the app on your phone when you¿re not at home. The NanoCloud technology spreads a fine mist without leaving wet spots on your furniture or floor. This way, fewer bacteria get into the air. In the bedroom, you can turn on the night mode so it runs extra quietly with dimmed lights. With the included aroma pads, you can add your favorite fragrance oil. You can use this humidifier in medium-sized rooms in your home.

Tips for using this product

This is what you get

Manual(5.32 MB)
Humidifying filter
Aroma pads (3x)

Reviews

Rating

5 stars

4 stars

3 stars

2 stars

1 star

Most helpful reviews

Review is 10 out of 10.

Ideal humidifier

Silent
Compact
Lightweight

As a mother/grandmother, maintaining a healthy home environment is crucial, and so was receiving a Philips Air Humidifier 4000 to improve the air quality in my home. After using it for a while, I am enthusiastic about it. Here is my honest review: Improved air quality: Because the outside air is mixed with dry dust, the humidifier does a solid job of adding moisture to the indoor air, which has helped with dry skin and allergies. I noticed that we cough less at night and the air in our house feels fresher and more breathable. Quiet operation: Even with a house full of children, the noise level is relatively low. It runs quietly in the background, which is a relief when you are trying to sleep. Good capacity: The water tank is large enough to run for several hours, which is also essential in a busy household.

Review by:
Linda2308
Date:
14 May 2026
Translation:
Automatically translated from Nederlands

Review is 10 out of 10.

Super nice device

Beautiful design
Almost silent

Since using the Philips 4000 Series HU4210/04 humidifier, I have really noticed a difference in my home. Especially during dry days, the air feels much more pleasant. I often suffered from a dry throat in the morning, but that has become much less of a problem now. The device does its job well without requiring constant attention.

What I really appreciate is that the humidifier operates quietly. As a result, it can easily be placed in the bedroom without causing any disturbing noise. Additionally, the design looks modern and neat. The white color and compact shape ensure that it fits nicely into the room.

The ease of use is also a major plus. The reservoir is easy to fill and the controls are clear. The performance is more than sufficient for daily use, and the air feels fresh and comfortable. So far, I am very satisfied with the quality and operation of this device.

Review by:
Kimberly Schiffers
Date:
14 May 2026
Translation:
Automatically translated from Nederlands

Review is 9,2 out of 10.

This air purifier does its job well.

the convenience
makes little noise
is a bit heavy when filled

I like it; it makes little noise and is easy to operate via the app.

Review by:
fam.
Date:
11 May 2026
Translation:
Automatically translated from Nederlands

Insure your humidifier

Receive more coverage in case of damage than with your standard warranty. Coolblue takes care of everything: from taking out the insurance to repairs. Is a repair not possible? You receive the purchase price as CoolblueCredit.

What am I insured for?

Fall and impact damage
Water damage
Manufacturing defects outside the warranty

What am I not insured for?

Damage you deliberately cause
Damage that doesn't affect the product functioning (such as scratches)
Damage due to gross negligence

XCover insurace

XCover is allowed to arrange and process insurances on behalf of the insurer. The insurances are governed by Belgium law. If you have a complaint, you can contact the or our customer service.

How do I insure my humidifier?

First, add your humidifier to your shopping cart. On the next page, choose the Protection Plan below. You always have a 30-day return window and pay no deductible in case of damage.

XCover Protection without theft cover

5-year advance payment
10,99 one-time payment (2,20 per year)

The insurance can be canceled every year, even if you have paid in advance. If you cancel earlier, you will receive a refund for the overpaid amount.

Specifications

Product

Product
	Product number	979976
	Manufacturer code	HU4210/04
	Brand	Philips
	Warranty	2 years
	Processing of your defect	Via Coolblue

Type and capacity

Type and capacity
	Type of humidifier	Cool mist humidifier
	Maximum humidifiable surface	44 m2
	Maximum noise level	25 dB
	Minimum noise level	6 dB

Functions and programs

Functions and programs
	Humidistat
	Hygrometer
	Maximum adjustable humidity	70 %
	Minimum adjustable humidity	30 %
	Display
	Dimmable display
	Timer
	Night mode
	Auto shut-off
	Suitable for fragrance oils
	Steaming function for air treatment
	Ionization function

Water tank

Water tank
	Capacity	3,5 l
	Removable water tank
	Water level indicator
	Anti-limescale system	Manually
	Clean water tank indicator
	Replaceable filter

Smart functions

Smart functions
	Compatible with smartphone / apps
	Control dryer via app	Operate remotely, Read information via app

Air purification properties

Air purification properties
	Air purification

Physical properties

Physical properties
	Height	33,4 cm
	Depth	22,22 cm
	Width	21,96 cm
	Weight	1,43 kg
	Color	White
	Material	Plastic
	Power supply type	Power grid
	Cable length	1,5 m

This is the one

Philips 4000 Series HU4210/04

Review is 8,9 out of 10, based on 20 reviews.

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Philips 4000 Series HU4210/04

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Philips 4000 Series HU4210/04