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Vicks SweetDreams Cool Mist VUL575 Review | 43 Data compared

Avg. price in UK: ~£55
Avg. price in US: ~$60
Humidification rate: 238 ml/h
Maximum room area: 35 m²
Water tank capacity: 3.8 L
Maximum operating time: 24 hours
Maximum noise level: 40 dB

Vicks SweetDreams Cool Mist VUL575 review. Compare 43 technical specifications and user reviews to see how this product ranks in the Humidifiers category and whether it is worth buying.

6.5

Good

5.9

Good

9.0

Exceptional

6.0
Bedroom use
Score components:
35.0%
3.5
Maximum noise level
25.0%
4.7
Maximum operating time
20.0%
?
Timer
20.0%
10
Automatic low-water shut-off
5.8
Large rooms
Score components:
35.0%
5.8
Humidification rate
30.0%
5.8
Maximum room area
25.0%
6.5
Water tank capacity
10.0%
4.0
Hygrostat
5.1
Plant care
Score components:
30.0%
4.0
Hygrostat
25.0%
5.8
Humidification rate
25.0%
6.5
Water tank capacity
20.0%
4.0
360° nozzle

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Verdict

The Vicks SweetDreams Cool Mist Humidifier (VUL575) is a 25-watt ultrasonic device featuring a 3.8-litre water tank that provides up to 24 hours of continuous operation in rooms up to 35 square metres. Its main characteristics and pros include an ultra-quiet 40-decibel operation, a dual scent pad slot compatible with up to two VapoPads for soothing essential oil vapours, and an integrated ceiling projector that rotates through nine child-friendly images across three dream themes (Safari, Sea, and Starry Night). The filter-free design eliminates the recurring cost of wicking filters, and an automatic shut-off safety feature triggers when the tank runs dry. However, minor cons include the requirement for frequent weekly descaling maintenance and a tendency to create a fine white mineral dust if operated with hard tap water instead of distilled water.

Technical Specifications of humidifier Vicks SweetDreams Cool Mist VUL575

Overall score

6.5

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Popularity

What it is: An indicator based on the number of reviews received by products in the Humidifiers category.

When it matters: When you prefer products in the Humidifiers category that have been chosen and reviewed by many other buyers.

Performance

5.5

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Technology

What it is: The method the humidifier uses to turn water into moisture for the room.

When it matters: Technology affects mist temperature, visible output, maintenance needs, and sensitivity to minerals in the water.

Importance: LOW

ultrasonic

Humidification rate

What it is: The maximum amount of water the humidifier can release into the air per hour.

When it matters: A higher rate raises room humidity faster and is more useful in dry or larger spaces.

Importance: HIGH

Good value: At least 300 ml/h

Maximum room area

What it is: The largest room floor area the humidifier is recommended to cover.

When it matters: A larger coverage rating is important for open-plan spaces and larger bedrooms or living rooms.

Importance: HIGH

Good value: At least 40 m²

Water tank capacity

What it is: The usable amount of water the humidifier’s reservoir can hold.

When it matters: A larger tank generally needs fewer refills and can support longer operation between top-ups.

Importance: HIGH

Good value: At least 4 L

Maximum operating time

What it is: The longest stated operating time from one full water tank.

When it matters: Longer runtime means fewer refills during overnight use or extended daily operation.

Importance: HIGH

Good value: At least 24 hours

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Features

7.0

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Warm mist function

What it is: Indicates whether the humidifier can produce warm mist as well as cool mist.

When it matters: Useful when you want warmer output in cool weather instead of cool mist alone.

Importance: HIGH

Good value: yes

Aromatherapy support

What it is: Indicates whether the humidifier supports the safe use of aromatic oils or fragrance media.

When it matters: Useful if you want to add fragrance without putting oil directly into the water tank.

Importance: MEDIUM

Good value: yes

Dedicated aroma compartment

What it is: Indicates whether the humidifier has a separate compartment for aroma pads or essential oils.

When it matters: A dedicated compartment keeps fragrance media separate from the main water tank.

Importance: LOW

Good value: yes

Automatic low-water shut-off

What it is: Indicates whether the humidifier switches itself off when the water level becomes too low.

When it matters: This safety feature helps prevent the unit from continuing to run with an empty tank.

Importance: HIGH

Good value: yes

Water level indicator

What it is: Indicates whether the humidifier shows the amount of water remaining in its tank.

When it matters: A visible level indicator makes it easier to know when the tank needs refilling.

Importance: MEDIUM

Good value: yes

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Design

4.1

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Fill type

What it is: The design mechanism used to add water to the humidifier tank, distinguished primarily between convenient top-fill and inverted bottom-fill designs.

When it matters: Top-fill humidifiers let you pour water directly into the top with a pitcher without carrying a heavy, dripping tank to the tap.

Importance: LOW

bottom fill

Color

What it is: The primary exterior color of the humidifier.

When it matters: Color matters when you want the humidifier to blend with the room.

Importance: LOW

white, blue

Material

What it is: The primary material used for the humidifier’s exterior housing.

When it matters: Material matters for durability, feel and appearance.

Importance: LOW

plastic

360° nozzle

What it is: Whether the humidifier has a nozzle that rotates through 360° to direct the mist.

When it matters: A rotating nozzle helps redirect mist without moving the humidifier.

Importance: LOW

Good value: yes

Display

What it is: Whether the humidifier has a display for settings and status information.

When it matters: A display makes humidity, mode and timer information easier to check.

Importance: LOW

Good value: yes

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Vicks SweetDreams Cool Mist VUL575 vs the average humidifier

Why is Vicks SweetDreams Cool Mist VUL575 better than the average humidifier?

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Dedicated aroma compartment
Vicks SweetDreams Cool Mist VUL575 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
What it is: Indicates whether the humidifier has a separate compartment for aroma pads or essential oils.
When it matters: A dedicated compartment keeps fragrance media separate from the main water tank.
Importance: LOW
Good value: yes
Vicks SweetDreams Cool Mist VUL575 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
0.32 m longer power cable
Vicks SweetDreams Cool Mist VUL575 has a longer power cable than the average humidifier (1.8 m vs 1.51 m).
What it is: The usable length of the humidifier’s power cable.
When it matters: A longer cable offers more freedom to place the humidifier away from a wall socket.
Importance: LOW
Good value: At least 1.5 m
Vicks SweetDreams Cool Mist VUL575 has a longer power cable than the average humidifier (1.8 m vs 1.51 m).1.83 m vs 1.51 m
0.45 L larger water tank
Vicks SweetDreams Cool Mist VUL575 has a larger water tank than the average humidifier (3.8 L vs 3.35 L).
What it is: The usable amount of water the humidifier’s reservoir can hold.
When it matters: A larger tank generally needs fewer refills and can support longer operation between top-ups.
Importance: HIGH
Good value: At least 4 L
Vicks SweetDreams Cool Mist VUL575 has a larger water tank than the average humidifier (3.8 L vs 3.35 L).3.8 L vs 3.35 L
4 m² more room coverage
Vicks SweetDreams Cool Mist VUL575 covers larger rooms than the average humidifier (35 m² vs 31 m²).
What it is: The largest room floor area the humidifier is recommended to cover.
When it matters: A larger coverage rating is important for open-plan spaces and larger bedrooms or living rooms.
Importance: HIGH
Good value: At least 40 m²
Vicks SweetDreams Cool Mist VUL575 covers larger rooms than the average humidifier (35 m² vs 31 m²).35 m² vs 31 m²
12.9% higher user score
Vicks SweetDreams Cool Mist VUL575 has a higher user score than the average humidifier (9.03 vs 8).
What it is: A rating that combines user reviews with the total review volume for products in the Humidifiers category.
When it matters: When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.
Vicks SweetDreams Cool Mist VUL575 has a higher user score than the average humidifier (9.03 vs 8).9.03 vs 8
80.7% more popular
Vicks SweetDreams Cool Mist VUL575 is more popular than the average humidifier (10 vs 5.535).
What it is: An indicator based on the number of reviews received by products in the Humidifiers category.
When it matters: When you prefer products in the Humidifiers category that have been chosen and reviewed by many other buyers.
Vicks SweetDreams Cool Mist VUL575 is more popular than the average humidifier (10 vs 5.535).10 vs 5.54
0.45 L larger water tank
Vicks SweetDreams Cool Mist VUL575 has a larger water tank than the average humidifier (3.8 L vs 3.35 L).
4 m² more room coverage
Vicks SweetDreams Cool Mist VUL575 covers larger rooms than the average humidifier (35 m² vs 31 m²).
Dedicated aroma compartment
Vicks SweetDreams Cool Mist VUL575 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
0.32 m longer power cable
Vicks SweetDreams Cool Mist VUL575 has a longer power cable than the average humidifier (1.8 m vs 1.51 m).

Why is Vicks SweetDreams Cool Mist VUL575 worse than the average humidifier?

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6.9 dB higher maximum noise
Vicks SweetDreams Cool Mist VUL575 is louder at maximum output than the average humidifier (40 dB vs 33.1 dB).
8.5% lower humidification rate
Vicks SweetDreams Cool Mist VUL575 delivers a lower humidification rate than the average humidifier (238 ml/h vs 260 ml/h).
1 W higher power draw
Vicks SweetDreams Cool Mist VUL575 draws more power than the average humidifier (25 W vs 24 W).
9.65 cm wider body
Vicks SweetDreams Cool Mist VUL575 has a wider body than the average humidifier (29.2 cm vs 19.555 cm).
9.95 cm deeper body
Vicks SweetDreams Cool Mist VUL575 has a deeper profile than the average humidifier (28.2 cm vs 18.25 cm).
No 360° nozzle
Vicks SweetDreams Cool Mist VUL575 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
75.7% heavier
Vicks SweetDreams Cool Mist VUL575 is heavier than the average humidifier (2.6 kg vs 1.48 kg).
3.82 cm taller body
Vicks SweetDreams Cool Mist VUL575 stands taller than the average humidifier (32.8 cm vs 28.98 cm).
6.9 dB higher maximum noise
Vicks SweetDreams Cool Mist VUL575 is louder at maximum output than the average humidifier (40 dB vs 33.1 dB).
What it is: The highest stated operating sound level across normal humidification modes.
When it matters: A lower maximum noise level is better for bedrooms, nurseries, calls, and light sleepers.
Importance: HIGH
Good value: Up to 35 dB
Vicks SweetDreams Cool Mist VUL575 is louder at maximum output than the average humidifier (40 dB vs 33.1 dB).40 dB vs 33.1 dB
9.65 cm wider body
Vicks SweetDreams Cool Mist VUL575 has a wider body than the average humidifier (29.2 cm vs 19.555 cm).
What it is: The humidifier’s side-to-side width.
When it matters: A narrower humidifier takes up less space on a bedside table, desk or shelf.
Importance: MEDIUM
Good value: Up to 20 cm
Vicks SweetDreams Cool Mist VUL575 has a wider body than the average humidifier (29.2 cm vs 19.555 cm).29.2 cm vs 19.555 cm
9.95 cm deeper body
Vicks SweetDreams Cool Mist VUL575 has a deeper profile than the average humidifier (28.2 cm vs 18.25 cm).
What it is: The humidifier’s front-to-back depth.
When it matters: A shallower humidifier needs less usable surface depth on a table or shelf.
Importance: MEDIUM
Good value: Up to 20 cm
Vicks SweetDreams Cool Mist VUL575 has a deeper profile than the average humidifier (28.2 cm vs 18.25 cm).28.2 cm vs 18.25 cm
No 360° nozzle
Vicks SweetDreams Cool Mist VUL575 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
What it is: Whether the humidifier has a nozzle that rotates through 360° to direct the mist.
When it matters: A rotating nozzle helps redirect mist without moving the humidifier.
Importance: LOW
Good value: yes
Vicks SweetDreams Cool Mist VUL575 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
75.7% heavier
Vicks SweetDreams Cool Mist VUL575 is heavier than the average humidifier (2.6 kg vs 1.48 kg).
What it is: The humidifier’s weight without packaging.
When it matters: A lighter humidifier is easier to move for refilling, cleaning or storage.
Importance: MEDIUM
Good value: Up to 1.5 kg
Vicks SweetDreams Cool Mist VUL575 is heavier than the average humidifier (2.6 kg vs 1.48 kg).2.6 kg vs 1.48 kg
8.5% lower humidification rate
Vicks SweetDreams Cool Mist VUL575 delivers a lower humidification rate than the average humidifier (238 ml/h vs 260 ml/h).
What it is: The maximum amount of water the humidifier can release into the air per hour.
When it matters: A higher rate raises room humidity faster and is more useful in dry or larger spaces.
Importance: HIGH
Good value: At least 300 ml/h
Vicks SweetDreams Cool Mist VUL575 delivers a lower humidification rate than the average humidifier (238 ml/h vs 260 ml/h).238 ml/h vs 260 ml/h
3.82 cm taller body
Vicks SweetDreams Cool Mist VUL575 stands taller than the average humidifier (32.8 cm vs 28.98 cm).
What it is: The humidifier’s total height from its base to its highest point.
When it matters: A shorter humidifier fits more easily beneath shelves and in low spaces.
Importance: LOW
Good value: Up to 25 cm
Vicks SweetDreams Cool Mist VUL575 stands taller than the average humidifier (32.8 cm vs 28.98 cm).32.8 cm vs 28.98 cm
1 W higher power draw
Vicks SweetDreams Cool Mist VUL575 draws more power than the average humidifier (25 W vs 24 W).
What it is: The humidifier’s maximum rated electrical power draw.
When it matters: Lower power draw can reduce electricity use, especially when the humidifier runs for many hours each day.
Importance: MEDIUM
Good value: Up to 25 W
Vicks SweetDreams Cool Mist VUL575 draws more power than the average humidifier (25 W vs 24 W).25 W vs 24 W

Graphic comparison of Vicks SweetDreams Cool Mist VUL575 and other products in the Humidifiers category

Attribute category

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Third-party reviews

United Kingdom

United States

(Reviews last updated: August 2026)

What customers like about Vicks SweetDreams Cool Mist VUL575?

Built-in ceiling image projector with three child-friendly themes calms babies and acts as a nice night light.
Whisper-quiet ultrasonic operation makes it perfect for undisturbed sleep and nurseries.
Cool mist technology prevents burn risks, making it safe to place around children.
Dual scent pad slots are compatible with Vicks VapoPads to provide aromatic congestion relief.
Large 3.8-liter (1-gallon) tank capacity provides continuous output for up to 24 hours.
Filter-free design saves money since there are no recurring filter replacement costs.
Wider tank opening makes it significantly easier to fill and clean compared to older models.

What customers dislike about Vicks SweetDreams Cool Mist VUL575?

Requires high-frequency manual cleaning and daily drying to prevent mold or bacterial growth due to the lack of a filter.
Can create white mineral dust and requires distilled or purified water to avoid blowing sediment into the air.
Projector lights and the green power dial glow cannot be dimmed, which may bother those who prefer complete darkness.
Bottom-fill tank design requires users to invert and carry a heavy tank when fully filled.
Running the unit on its highest setting for an extended period can cause heavy condensation or puddles underneath.

Expert reviews

medgrade.org

N/A

Summary of the review

Vicks Sweet Dreams Cool Mist Humidifier VUL575 vs Levoit LV600S Expert Comparison and Evaluation

The MedGrade comparison pits the child-centric Vicks VUL575 against the high-performance Levoit LV600S. The Vicks VUL575 excels with a nursery projector, quiet 400 sq ft coverage, and a translucent tank, but features lower output (-13%) and no smart features. Conversely, the Levoit LV600S offers superior performance with a 6-liter tank, 50-hour runtime, dual warm/cool mist modes, and 753 sq ft coverage via app control, though at a higher price point. View the full comparison at MedGrade.

mama-und-die-matschhose.de

17/11/2015

Summary of the review

Runny Noses Take Note! The Vicks Humidifier on Test

In this review from the blog Mama und die Matschhose, the Wick humidifier is praised for effectively alleviating dry, heated air, with key pros including a wide tank for easy cleaning, quiet operation, and the inclusion of VapoPad slots for aromatic relief. While the device improves comfort and breathing during colds, the reviewer notes as a con that it cannot cure a cold, with the ongoing cost of scent pads representing a secondary consideration.

kidsgo.de

20. Februar 2020

Summary of the review

Product Test - Vicks SweetDreams Ultrasonic Humidifier

The Wick SweetDreams Ultrasound Humidifier received a 92% recommendation rate from 25 families, with reviewers praising its quiet, effective cool-mist technology for congestion and the integrated ceiling projector for calming children. Key benefits include a 3.8-liter tank providing 24 hours of runtime, though the device may require an optional demineralization cartridge to prevent mineral buildup with hard water.

Video reviews

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