
Dreo 512S Dehumidifier
SUMMARY
The dehumidifier 512S from the brand Dreo has impressed with a very good score. Thus, the test product has qualified for our Qualitätssiegel.de seal of approval and was ultimately rated with the final grade 1.1.

Short product info:
The dehumidifier DREO 512S offers intelligent and efficient control of humidity, ensures a pleasant indoor climate, and saves on electricity costs. Ideal for any household!
This product was submitted to us for testing: Link to the product on Amazon¹
About the test:
We conduct our product tests according to a transparent and coherent evaluation system. Points such as packaging, functionality, quality, customer reviews, or the price-performance ratio are included in the final grade.
The maximum possible number of points per area is 100 points.
The following areas will be evaluated:
1. The packaging
2. The first impression
3. The Practical test
4. The price-performance ratio
Furthermore, the evaluation also includes the available product reviews and customer experiences for the product.
Important to know:
When awarding our Qualitätssiegel.de test seal, we evaluate the quality of the test product not in comparison with other products available on the market, but in comparison with our standardized Qualitätssiegel.de testing standard!
You can find more details about the testing criteria here.
Below is our detailed test report on the product.
QUALITY SEAL.DE TEST REPORT
Product: Dehumidifier 512S
Brand: Dreo
Tested: 27.11.2025
QS-Code: 65217123

1. THE PACKAGING
In the outer packaging made of cardboard, styrofoam, and plastic, the dehumidifier 512S was located.
A further inner packaging was dispensed with.
We found the sustainability of the packaging to be very good..
The product was very well protected by the packaging.
On the outer packaging, the brand name, the address, and a contact option as well as the barcode are clearly visible.

2. THE FIRST IMPRESSION
Upon unpacking the product, no bad smell was detected.
At first glance, the dehumidifier makes a high-quality and well-thought-out impression, as it is compactly built, looks modern, and shows a solid, user-friendly design.
Overall, the initial use of the dehumidifier is good, as the product is easy to set up.
The dehumidifier 512S is delivered without accessories. A user manual is included. An assembly guide is included.

3. THE PRACTICAL TEST
The DREO Dehumidifier 512S is designed to efficiently control humidity while ensuring a pleasant indoor climate.
The dehumidifier 512S fulfills this purpose excellently.
Below we briefly explain the functionality of the test product:
The most important function of the DREO Dehumidifier 512S is the intelligent humidity control, which allows for an effective reduction of humidity by up to 20% in just one hour.
The physical products were extensively tested for their quality features in the test report.
The dehumidification performance of the device fully meets the requirements, as it reliably reduces existing moisture and maintains a controllable target humidity level with the integrated hygrostat.
The water tank system is also convincing, as it has a sufficiently sized tank and offers automatic shut-off when the tank is full, preventing overflow.
The energy efficiency of the device is also very good, as it operates efficiently with comparatively low power consumption.
The ease of use and the available comfort features are comprehensive and significantly facilitate the handling and use of the device.
Furthermore, the device shows a good match with the requirements regarding volume, as it has low noise development and is not disturbing in everyday use. Overall, the product fully meets all tested quality features.
The tested quality features meet the established requirements of the quality inspection.
We found particularly outstanding
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Very quiet operation, ideal for sleeping and working spaces
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Compact, space-saving design
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Automatic defrost function for reliable operation even at low temperatures
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Certified safety features for a permanently safe and worry-free use
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The product has a clear benefit and thus offers the user, among other things, the following advantages:
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Powerful dehumidification with high daily moisture absorption, suitable for small to medium-sized rooms such as bedrooms, living rooms, bathrooms, or laundry rooms
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Rapid reduction of humidity for a noticeably more pleasant indoor climate
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Energy-efficient operation with low power consumption
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Integrated 24-hour timer and automatic shut-off when the water tank is full
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Precise humidity control through various operating modes and integrated sensor
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Automatic power regulation to consistently maintain the desired humidity
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Flexible drainage through water tank or optional continuous drainage via hose
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LED display when the tank is full for additional safety
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Easy to move with wheels and carrying handle
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Control and monitoring of humidity in real-time via app
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Comfortable voice control via Alexa and Google Home possible
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The Dehumidifier 512S is very easy to use.
Our testers found no risk of injury from sharp edges or protruding parts with proper use.
4. THE PRICE-PERFORMANCE RATIO
On the trading platform Amazon, the Dehumidifier 512S of the brand Dreo can be ordered for €179.99.
This product is therefore in the mid-range price segment, as there are already other dehumidifier devices available from €139.99.
145 Customers rated the product on average with 4.6 Stars.
OUR CONCLUSION AND RATING
In our test, the product Dehumidifier 512S of the brand Dreo achieved a final grade of 1.1 with a very good result and thus confirmed its quality compared to the standards of our quality standard norm ("QS norm") flawlessly.

[Zur Beachtung: Unsere Praxistests basieren vor allem auf dem ersten Eindruck, ohne Langzeit- oder Labortests. Wir übernehmen keine Haftung für Richtigkeit oder Vollständigkeit der Testergebnisse. Unsere Tests beziehen sich nicht auf gesetzliche Anforderungen, medizinische Wirkungen oder Inhaltsstoffe. Nutzen der Infos auf eigenes Risiko. Alle im Testbericht genannten variablen Angaben, wie Preise, Bewertungen, Testresultate u.ä., sind ausschließlich zum Zeitpunkt des Testdatums gültig.]
Breakdown of test categories
| Main categories | Achieved score* |
|---|---|
| Packaging, sustainability, labeling | 93.33 |
| First impression, smell, quality, utility, risk of injury | 94.12 |
| Customer opinions, reviews, product promises, value for money | 95 |
| Total points according to QS standard | 94.27 |
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 |
| ... | ... |
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