About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

BonAura®
Dehumidifier

The BonAura dehumidifier made a good impression in our test. The product impresses with its simple, timeless design and robust workmanship. Apart from minor imperfections on one part of the product, we were unable to detect any material defects. The dehumidifier is easy to install and is operated without electricity, so it works silently . A true all-rounder, it can be placed in any room to prevent moisture and mold growth . The scope of delivery(two packets of granules) guarantees use for 4 months. Children should not have access to the product.

Advantages

✅ Easy installation
✅ Simple design
✅ Includes e-book and refill pack
✅ without electricity, noiseless
✅ Suitable for all rooms

Disadvantages

❌ Be careful with small children in the household

The first impression

Packaging and labeling

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be ensured.

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingUnnecessary packaging waste has been avoided, the plastic film protects the product components90 points
Product labelingNo labeling on the plastic film85 points
Total92 points
Weighting: 10%
*The maximum score is 100 points
Luftentfeuchter Verpackung
Dehumidifier
Packaging

The BonAura dehumidifier came in the typical shipping box for our test. This was undamaged on arrival and could be opened easily by removing the adhesive strip. The product box contained the dehumidifier and two packets of granules. The latter were shrink-wrapped in foil. This type of packaging optimally protected the product from external influences. Product protection was therefore fully guaranteed and the dehumidifier was delivered in perfect condition .
The packaging is partially recyclable. However, the plastic film is not recyclable. Regardless of this, the presentation of the product makes a very good impression.

After unpacking

Package contents and instructions

ℹ️ Most people’s first impression after unpacking is immediately memorable. Are the contents of the package complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Package contents & scopeDehumidifier incl. 2 refill packs100 points
Contact informationCan be found on the box100 points
Total100 points
Weighting: 10%
*The maximum score is 100 points

The product box contained the dehumidifier consisting of a container with a pouring function, a partition and the lid. Two refill packs with granules were also included. Instructions for use are not required for the product, but an e-book with tips for a perfect climate in your own four walls can be accessed via a QR code on the packaging.
The product box contains all contact details, including a telephone number and email address. Overall, this is a very good way to send a product.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the product processing. How high quality are the materials used? Is the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceVery good visual appearance100 points
ProcessingGood workmanship90 points
StabilityRobust90 points
Sustainability of the productNo information on sustainability, but further granules can be reordered75 points
Total89 points
Weighting: 20%
*The maximum score is 100 points
Luftentfeuchter Aufbau
Dehumidifier
Structure

First of all, it should be mentioned that the dehumidifier makes a very good visual impression. There are only minor manufacturing flaws (unclean edges on the partition), but otherwise the product looks flawless and robust. The dehumidifier also impresses with its timeless, simple design, which blends into any living area.
There is no information on the sustainability of the product on the product page or on the packaging. However, due to the materials used, we assume a long service life. If the granules are used up (after around 4 months), they can be reordered separately.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test is the most relevant and therefore the most important. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
InstallationQuick and easy100 points
FunctionalityNo odors, absorbs water – visibly less condensation on the window, water can be poured off after 2 weeks100 points
DiversitySuitable for all living spaces as well as cellars, garages or caravans90 points
SecurityStable stand, but be careful with children in the household70 points
DesignSimple design, no alternatives available to order90 points
Total90 points
Weighting: 40%
*The maximum score is 100 points

We really enjoyed using the BonAura dehumidifier during the test. Installation is child’s play and can be carried out by anyone. All you have to do is place a bag of granules in the appliance and close the lid. Now the dehumidifier can be set up in any room – we chose the bedroom. Without electricity and therefore noiseless , it is ideal for reducing the humidity in occupied rooms and thus preventing mold growth and odors. The dehumidifier stands stably on flat surfaces. However, care should be taken to ensure that small children in the household do not have access to the product.
The refill bag supplied lasts for 4 months. After just over a week, we noticed that the granules had hardened and gained 150g in weight. After a total of 16 days, water could also be poured out of the collection container. In addition, the visible condensation on the window, especially in the morning hours, has decreased significantly. How the humidity develops over a longer period of time would have to be checked in a long-term test.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we look at how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also examine consumer ratings and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioAll right70 points
Rating cut3.7 out of 5.0 on Amazon35 points
Total53 points
Weighting: 20%
*The maximum score is 100 points

On the Amazon platform, consumers have given the product an average rating of 3.7 stars. Some complain that the product does not fulfill its intended purpose of absorbing moisture, or only insufficiently. Other reviewers, however, confirm the functionality of the product and report a reduction in moisture. The courteous customer service and the design are also praised. In our practical test, we observed that the granules absorbed moisture after just one week and that water collected in the container after a further week. We therefore assume that it works properly .

Prices of up to €20 are charged on the Internet for equivalent products. Very inexpensive products, on the other hand, are available for as little as €3. This puts the BonAura dehumidifier in the upper price segment with a current price of €17.99. Consequently, the price ratio for the quality and the scope of services you get is okay.

Overall result

WeightingScore achieved*
1. packaging & labeling10%92 points
2. package contents & instructions10%100 points
3. product processing & appearance20%89 points
4. in the practical test40%90 points
5. price/performance & consumer ratings20%53 points
Total84 points
*The maximum score is 100 points
Dehumidifier
of the brand
BonAura®
achieved
84
Points in our test and therefore passed. The test was carried out in the test period
02/23
and is stored in our database under the licence number
221220001
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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