Levoit brand humidifier

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The Levoit OasisMist 450S Smart Warm/Cold Mist Humidifier scored in all test categories convinced. The test product has therefore earned our Qualitysieger.de test seal qualified and was concluded with the Endnote 1.1 rated.


Short product info:

The Levoit OasisMist 450S Smart Warm/Cold Mist Humidifier is an electronic device designed to increase the humidity in a room. This happens by evaporating water or by atomizing fine drops of water into the air. 

About the test:
We carry out our product tests according to a transparent and coherent evaluation system. The final grade includes, for example: B. Points such as packaging, functionality, quality, customer reviews or the price-performance ratio are included.
The maximum possible number of points per area is 100 points.
Evaluations are made in the following areas:

1. The packaging
2. The first impression
3. The Practical test
4. Price-performance ratio

Furthermore, the product reviews and customer experiences available for the product are also included in the evaluation.

Important to know:
When awarding our qualitssieger.de test seal, we do not evaluate the quality of the test product in comparison with other products available on the market, but rather in comparison with our standardized qualtiessieger.de test standard!
You can find further details about the test criteria here.

Below is our detailed test report on the product.


Product: humidifier
Brand: Sees it
Tested: November 21, 2023
QS-Code: 53500594


The printed cardboard outer packaging contained another plastic packaging that contained the humidifier.

We found the packaging to be sustainable gut.

The product was through the packaging excellently protected.

The outer packaging contains the brand name, the address and a contact option as well as the barcode printed legibly.


The first impression of the product convinced our testers qualitatively high quality Look
The product fell after unpacking not by an unpleasant smell.

The product is a humidifier that can produce both cold and warm mist. If necessary, flavors or essential oils can be added to the water tank.
This is also the first time you use the humidifier gut, because the product simply fill it leaves.

The humidifier will without Accessories supplied.
The enclosed instructions for use are easy to understand.


The product was developed to... humidity indoors to increase. This is done through the levy from Steam or fine Water droplets, which contributes to it more pleasant Indoor climate to accomplish.
The humidifier serves this purpose terrific.

Below we briefly explain functionality of the test products: 
The humidifier's water tank is simply filled with water and closed. If necessary, flavors or oils can be added to the water. The different modes can be set using the touchscreen.

Particularly positive we found

    • Low noise level (26dB)
    • usage of free app for remote control, timer and adjustments
    • Convenient filling from above, without turning the tank over, and easy cleaning thanks to the well-thought-out handle design

The product has one clear benefit and thereby offers the user, among other things, the the following advantages:

    • increases the room humidity in 35 minutes 60 %, ideal for Plant and large rooms
    • choice between warm fog (40℃ to 60℃) and cold fog in summer for Allergy relief and plant food
    • Setting and maintaining the ideal humidity using the built-in humidity regulator
    • Possibility to add essential oils

The humidifier can be very good use.
Our testers have with proper use no Risk of injury from sharp edges or protruding parts can be identified.


On the trading platform Amazon can he Levoit OasisMist 450S Smart Warm/Cold Mist Humidifier for 84,99 € be purchased.

This means that this product is in the middle Price segment, as there are already other humidifiers available to purchase from €69.99.

2.434 Customers gave the product an average rating 4,5 stars.


In our test the product has Levoit OasisMist 450S Smart Warm/Cold Mist Humidifier with the Endnote 1.1 a very good Result achieved and its quality therefore compares with the standards of our quality standard ("QS standard") perfectly confirmed.


[Disclaimer: All variable information mentioned in the test report, such as prices, ratings, test results, etc., are only valid at the time of the test date.]

Breakdown of test categories

Main categories Points scored*
Packaging, sustainability, labels 94
First impression, smell, quality, benefit, risk of injury 96
Price-performance 90
Customer opinions & reviews, product promises 93.33
Total points according to the QS standard 94.44
*100 points maximum score

Point system

score Note
96-100 1
94-95 1.1
92-93 1.2
90-91 1.3
88-89 1.4
86-87 1.5
... ...