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.

ElbFuchs®
Thermo glasses with heart

In our test, the thermal glasses with heart from ElbFuchs made a very good impression. In addition to the elegant design and pleasant handling, the product impresses with its good thermal insulation. The high-quality borosilicate glass is robust. The thermal glasses are easy to clean by hand or in the dishwasher and are also microwave-safe. Hot drinks stay warm inside for over an hour, while the outside of the glass can be touched without the risk of burns . Only the specified capacity could be reduced to the optimum filling level.

Advantages

✅ Elegant design
✅ Very good thermal insulation
✅ Pleasant drinking sensation
✅ dishwasher-safe

Disadvantages

❌ Less capacity than specified

The first impression

The 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 was avoided and plastic was used to protect the product95 points
Product labelingLabeling available100 points
MiscellaneousHigh-quality packaging, also suitable as a gift100 points
Total99 points
Weighting: 10%
*The maximum score is 100 points
Thermogläser mit Herz Verpackung
Thermo glasses
Packaging

The thermal glasses from ElbFuchs arrived for our test in a typical shipping box. This was undamaged and could be opened easily by removing the adhesive strip. Inside the product box, the thermo jars were packed in bubble wrap or foam. This type of packaging optimally protected the product from scratches and dirt . Product protection was therefore fully guaranteed and the thermal jars were delivered in perfect condition .
The packaging is also recyclable. In this respect, the product leaves a very good first 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 & scope4 double-walled thermal glasses100 points
Contact informationCan be found on the box, no customer hotline or e-mail address available70 points
Total85 points
Weighting: 10%
*The maximum score is 100 points

The product box contains four double-walled thermo glasses with a heart in the sizes 80 and 350 ml. Instructions for use are not required. The contact details can be found on the product box. However, there is no customer hotline or email address. Nevertheless, 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 appearanceHigh quality borosilicate glass100 points
ProcessingVery good workmanship, no scratches whatsoever100 points
StabilityRobust100 points
Sustainability of the productNo information on sustainability, but high-quality materials, dishwasher-safe90 points
Total98 points
Weighting: 20%
*The maximum score is 100 points
Thermoglas, 80 ml in der Hand
Thermo glass, 80 ml
in the hand

First of all, it should be mentioned that the thermal glasses make a very good visual impression. There are no scratches or manufacturing defects to be seen. The product also impresses with its attractive yet simple design. The thermal glasses fit well in the hand and make a robust impression.
ElbFuchs has thought about sustainability, as the product can be cleaned in the dishwasher . The materials used also look very high quality, so we expect them to last a long time.

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*
Drinking sensationVery pleasant100 points
Thermal insulationMore than one hour of thermal insulation, cool outside temperature at the same time, microwave-safe100 points
AppearanceAttractive, elegant, printed heart100 points
CleaningDishwasher safe100 points
CapacityLower than specified80 points
Total96 points
Weighting: 40%
*The maximum score is 100 points

In the practical test, the thermal glasses scored points with their good thermal insulation of over an hour on the inside while keeping the outer glass at a cool temperature. The shape of the product means it sits comfortably in the hand. The rounded rim also makes drinking very pleasant. The thermal glasses can be cleaned by hand or in the dishwasher . The effects of repeated cleaning in practice would have to be determined in a long-term test. After the first wash cycle, the product still had its original texture. The glasses are also microwave-safe. They can withstand temperatures from -30° to 180° degrees. However, it should be noted that when filled with the specified 350 or 80 ml, only a small rim remains, which some customers may find too small. Customers can currently choose between the sizes 80 ml, 250 ml and 350 ml.

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 ratioAppropriate80 points
Rating cut4.5 out of 5.0 on Amazon85 points
Total83 points
Weighting: 20%
*The maximum score is 100 points

On the Amazon platform, consumers have given the product an average rating of 4.5 stars. Some complain that the thermal glasses do not pass the long-term test and that the membrane becomes permeable in the dishwasher. Other reviewers, however, cannot confirm this defect and praise the ease of cleaning the product. The design and the very good thermal insulation are also praised. In our practical test, we were able to confirm that the thermal glasses make a very high-quality impression, that the drink is kept warm for a long time and that the first cleaning did not cause any damage. We cannot comment on the long-term dishwasher suitability, as this would require a practical test over a longer period of time. The only point of criticism is the actual capacity, which should be stated as 280/65 ml rather than 350/80 ml.

Prices of up to €47 are charged on the Internet for equivalent products. Very inexpensive products, on the other hand, are available for as little as €25. The ElbFuchs thermal jars (350 ml) are therefore in the mid-price segment with a current price of €39.95. Consequently, the price ratio is reasonable for the quality and scope of services you receive.

Overall result

WeightingScore achieved*
1. packaging & labeling10%99 points
2. package contents & instructions10%85 points
3. product processing & appearance20%98 points
4. in the practical test40%96 points
5. price/performance & consumer ratings20%83 points
Total93 points
*The maximum score is 100 points
Thermo glasses with heart
of the brand
ElbFuchs®
achieved
93
Points in our test and therefore passed. The test was carried out in the test period
05/23
and is stored in our database under the licence number
230502009
. 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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