Coffee Machines review

Every morning is only complete with a fresh cup of coffee. For coffee lovers, a coffee machine is a MUST in the household. We have looked at different types of models and tested the machines for you. Our test winner in the area of best filter coffee and coffee machine with a thermos is the Melitta Look Therm Timer 1011-15- a superb result with the test grade 9,4/10! The Klarstein Aromatica II coffee maker with a grinder was the most convincing and achieved a "good" test result. Convince yourself and find your coffee maker!

Tested products

Klarstein Aromatica II - thumbnail Test seal: Klarstein Aromatica II, Rating good

Klarstein

Aromatica II

With the Klarstein - Aromatica II a lover of freshly ground coffee beans is making a very good choice. The large openings in the water tank and the coffee bean container make handling very easy. The drip-stop function also makes coffee cooking easier. The coffee can be brewed comparatively quickly and the numerous functions make it possible to vary the coffee. The different grinding degrees hardly differ, but the machine can prepare tasty coffees.

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Philips Grind and Brew HD7769/00 - thumbnail Test seal: Philips Grind and Brew HD7769/00, Rating good

Philips

Grind and Brew HD7769/00

The Philips Grund and Brew coffee machine is distinguished from other coffee machines by its two separate coffee bean containers. Thus two different types of beans can be filled into the machine and it can be decided whether one of them or both will be used. The coffee beans can be filled into the machine as easily as the water. Also the operation is very intuitive. Other functions, such as scaling the degree of fineness of the coffee beans, make preparing good coffee a pleasure. However, it should also be noted that this coffee machine has no drip stop, so that the coffee can quickly run out of the machine if there is no can inside it.

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Melitta 1021 – 21 AromaFresh - thumbnail Test seal: Melitta 1021 – 21 AromaFresh, Rating good

Melitta

1021 – 21 AromaFresh

The Melitta AromaFresh Filter Coffee Machine caused some complications. This machine cannot fulfill one great promise: the drip stop. If the coffee pot is pulled away too early, it can quickly turn messy. However, the grinder is to be rated positively: In our test, large differences between the individual degrees of grinding were noticed, so that this machine can be used to create individual coffee enjoyment. In order to optimize the taste of the coffee, the coffee strength can also be changed. The machine also has other features such as a timer or a hotplate that keeps the coffee warm for longer periods of time.

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Severin KA 4810 - thumbnail Test seal: Severin KA 4810, Rating good

Severin

KA 4810

The Severin coffee maker with grinder is a solid coffee maker with continuously adjustable grinder, large water tank and wide coffee bean container. Only the opening of the water tank could be larger. To make the perfect coffee, the quantity, strength and grind of coffee can be adjusted. In addition, a timer can be programmed which starts the coffee preparation within the next 24 hours. A warm-up plate ensures that the coffee stays warm in the pot for a longer period of time. The thermo cup included in the delivery makes it possible to enjoy warm coffee on the go.

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AEG KAM 400 - thumbnail Test seal: AEG KAM 400, Rating satisfactory

AEG

KAM 400

The AEG coffee machine does not have to be moved or lifted in a complicated way, because this machine has a practical rotating base plate. This makes it easy to reach and fill the water tank. The large bean container can hold up to 250 g of coffee beans, which means that it rarely needs to be refilled. Like most other machines, the water container can also be filled with up to 1.25 litres of water. In order to optimise the taste of the coffee, the coffee strength and the grinding degree can be changed. Additional functions are a timer and the hotplate, which keeps the coffee warm for up to 40 minutes.

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Winner
Best price winner
Our winner: Klarstein Aromatica II Philips Grind and Brew HD7769/00 Melitta 1021 – 21 AromaFresh Severin KA 4810 AEG KAM 400

Klarstein
Aromatica II

Philips
Grind and Brew HD7769/00

Melitta
1021 – 21 AromaFresh

Severin
KA 4810

AEG
KAM 400

  • Many adjustment options for an individual coffee taste
  • Functioning drip stop
  • Large opening for water filling
  • Simple operation
  • Incl. permanent filter
  • Short preparation time
  • Two bean containers. So different types of bean can be used.
  • Simple operation of the machine
  • Water tank can be filled easily
  • Incl. cleaning brush
  • Large filling opening of the coffee bean shaft
  • Fancy design
  • Long warm-keeping function
  • Removable coffee bean container
  • Functioning drip stop
  • Small thermo mug included
  • Continuously adjustable grinding degree
  • Rotatable base plate
  • Large bean container
  • Small coffee bean container
  • The different grinding degrees hardly differ from each other
  • No working drip stop
  • No functioning drip stop
  • Impractical water tank
  • Drip stop does not work
  • The different grinding degrees hardly differ from each other

Good coffee maker with many adjustment possibilities, which make a fast coffee preparation possible.

Due to the two separate bean containers, two different types of coffee beans can be easily mixed.

A machine with a quiet and well working grinding mechanism.

Good coffee maker, which is delivered with an additional thermo cup.

Practical, rotatable machine with good functions for creating an individual coffee.

Bean container 150 g 250 g (2x 125 g) 200 g 200 g 250 g
Grinding degrees 5 Grinding degrees Continuously adjustable 3 degrees Continuously adjustable 9
Speed
Handling
Volume
Ground
Range of functions
Amount of coffee 2/4/6/8/10 Cups 2/3/4/5/6/7/8/9/10 cups 2/4/6/8/10 cups 2/4/6/8/10 cups 2/4/6/8/10 cups
Removable filter basket Yes Yes Yes Yes Yes
Integrated clock Yes Yes Yes Yes Yes
Timer 24 hrs 24 hrs 24 hours 24 hrs 24 hrs
Temperature regulation - - - - -
Warm-keeping function Yes up to 120 min Up to 60 minutes Yes Up to 40 min
Drip Stop Yes Yes - Yes -
Grinding mechanism Conical Conical Conical Conical Conical
Coffee strength regulation Mild, Medium, Strong Mild, medium, strong Mild, medium, strong Mild, medium, strong Mild, medium, strong
Aroma settings Yes - - - Yes
Switchable grinding mechanism Yes Yes Ja Yes Yes
Capacity water tank 1,25 l 1,375 l 1,375 l 1,37 l 1,25 l
Power in Watt 1000 1000 1000 1000 1000
Test seal: Klarstein Aromatica II, Rating 1.8
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Test seal: Philips Grind and Brew HD7769/00, Rating 1.9
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Test seal: Melitta 1021 – 21 AromaFresh, Rating 2.05
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Test seal: Severin KA 4810, Rating 2.45
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Test seal: AEG KAM 400, Rating 2.65
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*All prices include VAT (if applicable, extra charge for delivery. Check the particular online shop to find information about the availability. Changes of indicated prices since the last update remain reserved.

  • The drip stop does not always work. Be careful during the first run.
  • Two bean containers allow you to choose between two different types of coffee and e.g. make a milder coffee in the evening.
 

Stiftung Warentest, a well known consumer organisation, also tested coffee machines with grinders in August 2018. Of the four products, three are only marginally apart: the Severin coffee maker with grinder, the Philips HD7767/00 and the Melitta Aroma Fresh 1021-01, which is the winner with a clean 2.0 (1.0 is best 5.0 is worst) test result. All three machines were rated good. The PC-KA 1138 from Proficook came in last, with a satisfactory assessment.

In order to obtain this final result, the coffee machines went through the following six categories: Sensory evaluation of the coffee (35%), brewing (25%), handling (20%), environmental characteristics (10%), durability (5%), safety (5%).

In the test, the coffee was prepared with medium-hard water in the same quantity. It was then evaluated by eight subjects with regard to taste, smell, appearance, mouthfeel and aftertaste. The Melitta machine brewed by far the best coffee. The Profi Cook machine prepared a somewhat watery coffee with less volume than the other coffees. Also the coffee from the Severin machine tastes, according to the test persons, a little like caramel and is watery.

In terms of brewing, the preparation time of eight cups of coffee was measured. With nine minutes, the Philips machine is the fastest. The Profi Cook machine, on the other hand, took 14 minutes to brew the eight cups. In addition, the temperature of the coffee was measured directly after the brewing process and after 20 and 40 minutes when kept warm. The temperature of the coffee after brewing was satisfactory for all machines. Only the Severin machine showed a satisfactory result when keeping the coffee warm.

For handling, five test persons tested the daily use of the machines. This included, among other things: Filling in water, inserting and removing filters and pouring coffee. The cleaning and descaling of the machine was also evaluated. There were no major abnormalities at this point.

In order to assess the environmental characteristics, the power consumption was measured when brewing eight cups of coffee, when keeping warm until the automatic limit stop and in standby mode. The Melitta coffee machine consumes the most electricity, especially when brewing. In standby mode, the Severin machine consumes slightly too much energy. The noise level during brewing and grinding was also evaluated. Here all devices showed satisfactory to sufficient results, only the model from Profi Cook was not too loud when brewing.

Finally, the durability was evaluated. Parts of the machine that are dishwasher safe were rinsed 40 times at 60 degrees. The robustness of the grinding mechanism was assessed after 120 grinding operations. In terms of safety, particular attention was paid to the electrical system and hot spots. All coffee machines passed the final test with very good to good results.

We also tested the Coffee vending machines with grinder from Severin and rated it like our colleagues with a 2.4. We also tested the test winner from Stiftung Warentest. The Melitta
1021-01 AromaFresh Filter Coffee Machine
also receives a good mark of 2.0 from us. However, we found the grinder to be too loud and two other machines were more convincing. These included our test winner and price-performance winner Aromatica II coffee machine with grinder from Klarstein, which was not among the coffee machines tested by Stiftung Warentest.

Even the intense scent of freshly ground coffee beans is revitalising. Especially in the morning, it makes even morning muffles lively. Coffee machines with integrated grinders ensure a perfect aroma. With such machines, the beans are freshly ground shortly before preparation. The coffee machine with grinder is, so to speak, the Mercedes among coffee machines.

A coffee machine with grinder is basically a normal coffee machine. The big difference to normal filter coffee machines is that the coffee beans are freshly ground before preparation. This results in a much finer and better aroma. In addition, it is possible to choose different settings for an individual coffee taste. For example, the desired grinding degree can be selected, which can significantly change the taste.

How does the coffee machine with grinder work?
Above the filter basket there is both a container for the roasted coffee beans and a grinder. When preparing a coffee, the coffee machine automatically removes the corresponding quantity of beans from the container. The coffee beans are then ground in the grinder. The fresh coffee falls automatically into the filter after the grinding process and the coffee is immediately cooked. The time between grinding and boiling the coffee is therefore very short.

The only difference to conventional filter machines is the grinding process. Otherwise, the water from the tank is heated to about 90 degrees. The water then drops onto the freshly ground coffee powder. Since the ground coffee automatically enters the filter, no coffee powder can enter the cooked coffee.

The freshly brewed coffee is then simply removed from the jug and is ready to drink. The entire grinding process of the whole coffee beans takes place completely automatically. Compared to earlier times, when the beans first had to be ground by hand.

The biggest advantages of a coffee machine with grinder are definitely the convenience and more aromatic taste. In addition, coffee powder as well as whole coffee beans can be used with such a machine.

But why does the coffee taste better from freshly ground coffee beans? After the grinding process, the powder is packaged by the manufacturer. The packaging ensures that the coffee powder is protected from environmental influences. This is particularly important because some products are stored for a very long time. If the package is opened at home, the coffee inevitably comes into contact with many smells. Coffee, in particular ground coffee, quickly absorbs other odours. Outside the packaging, the ground coffee also loses its taste relatively quickly.

This is different for whole beans. They lose their aroma very slowly. This is why coffee made from whole beans tastes more and more aromatic and automatically fresher. In addition, coffee beans have a purer content. The whole beans cannot be stretched as easily as a coffee powder.

It is no coincidence that true coffee connoisseurs grind whole beans directly before brewing. This process can be saved quite simply with a coffee machine with grinder. However, such devices have a small disadvantage: the noise. During the grinding process it can become quite loud for a short time. Also the size can be disadvantageous, since such machines are somewhat larger than conventional coffee machines.

Coffee machines with grinders can generally be selected from three different grinder types. These are conical, disc and blade grinders. In good machines there are disc or cone grinders. In high quality coffee machines you rather seldom find blade grinders. And there is a reason for that. A blade grinder produces too much heat during the grinding process, which is not good for the coffee aroma. Furthermore are the produced grains not as uniformally sized as those produced by conical and disc grinders.

1. The conical grinder

The conical grinder consists of two parts. On top there is a funnel-shaped negative and on the bottom there is the conical positive. The upper negative rotates as soon as the grinder is switched on. The whole coffee beans are then ground to coffee powder between positive and negative. The distance between positive and negative determines the desired degree of grinding. If the gap is large, the beans are coarsely ground. With a small distance, fine coffee powder is produced.

2. Disc grinder

A disc mill consists of two discs lying on top of each other. These rotate in opposite directions during the grinding process. As with the conical grinder, the degree of grinding is controlled by the distance between the two discs. In contrast to the conical grinder, the disks are heated slightly more during grinding. This can cause the aroma to deteriorate somewhat. The advantage, however, is that a disc grinder is quieter. This is especially advantageous in the morning to avoid waking anyone up while preparing coffee.

3. Blade grinder

As already mentioned above, the blade grinder is not really recommendable. The whole beans are crushed by rotating knives. This creates a great heat, which clearly damages the aroma. In addition, no specific grinding degree can be determined with this grinding mechanism. Therefore it is not possible to adjust the taste according to your individual needs. Although such coffee machines are cheaper, there are few other advantages. This type of grinder is no longer used in modern or new coffee machines with grinders.

There is a large variety of whole coffee beans. Each bean has its own taste. Depending on your preference, you should choose a specific coffee bean. It is important to use coffee beans and not espresso beans.

In principle, good coffee beans depend on three factors: the type, the growing area and the coffee roasting process. High-quality varieties can sometimes be very expensive and are therefore almost unaffordable for daily use. Therefore, it is important to find beans that have a good quality and taste, but are still affordable. The Arabica bean is one of the best-known coffee bean varieties. It is characterized above all by its balanced taste. It can be bought both in supermarkets and specialist shops.

In addition to Arabica, there is also Robusta bean. As the name suggests, this bean is very resistant. This means that it delivers a high yield with little maintenance. The Arabica bean is much more intensive in its care. This often goes hand in hand with a higher quality. Of course, there are many other good and less good coffees. There are also certain varieties for use in special situations. It is best to simply test them a little until you find the perfect coffee for your own taste.

What is the difference between a coffee machine with grinder and a fully automatic coffee machine?

Fully automatic coffee makers are very practical to use. If desired, any type of coffee can be prepared at home at the push of a button. Small portions are always cooked, suitable for a coffee cup. This is very convenient and ideal for coffee connoisseurs who appreciate different types of coffee.

However, there are also disadvantages with such machines. Because a wide variety of coffee types can be prepared, a lot of technology is needed. But a lot of technology always means a higher price. In comparison, fully automatic coffee machines are three times as expensive as coffee machines with grinders.

In most fully automatic coffee machines, whole beans are used in the same way as in coffee machines with grinders. These are also freshly ground automatically before preparation. However, there are also fully automatic machines where pads are used. These pads contain ground coffee. The taste is not so bad, but all the packaging is really bad for the environment.

A big advantage of coffee machines with grinder is that a whole pot of coffee can be boiled. This is particularly practical for large households. Only one cup of coffee has to be brewed and not every cup individually. This means that the time required is less than with a fully automatic coffee maker when it comes to more coffee portions. The cleaning effort is also greater for such machines, especially if a milk container is available. Many coffee specialities can be prepared with this, but such models are very cleaning intensive. This is because not only the milk container but also the associated hoses have to be cleaned.

There are different criteria that should be considered before purchasing a coffee machine. Before the decision is made, all expectations and wishes regarding the coffee machine should be noted. There are aspects that need to be considered regardless of your own individual wishes and needs:

  • Quality of the coffee machine: As with any other type of coffee machine, the quality of the different models can vary. Cheap coffee machines are often produced at low quality. It is therefore important that the machine is made of a high-quality material that is stable and neatly processed.
  • Price: In comparison, the very inexpensive coffee machines with grinders do not perform well. Those who want to use the machine daily in the future should spend a little more. Many cheap machines don't last very long because of their poor workmanship. Idealy, a high quality coffee machine will work for several years and is much more resilient.
  • Grinder: This component is very important. Preference should be given, for example, to machines with conical grinders made of ceramic or stainless steel. Ceramic grinders have a long service life, but are more sensitive to external influences. Stainless steel has the advantage that it is much more stable. Such grinders, however, are also louder. They also have a long lifespan and are insensitive to external influences. Stainless steel is definitely the better alternative for home use, as such grinders are also cheaper.
  • Handling: A coffee machine with grinder should ideally be self-explanatory. Without having to study the instructions for a long time beforehand. In addition, all essential functions should be available, such as the possibility to adjust the coffee strength and the grinding degree. The presence of a warm-keeping function and a timer can also make handling more convenient.
  • Size of jug and water tank: This criterion is very individual and must be adjusted according to your own wishes. Larger families also need a larger water tank. Then it does not have to be refilled so often. Then of course a larger container is also needed. However, those who prepare only a little coffee do not necessarily need a large tank or a large container.
  • Size of the coffee container: Here, too, it depends on how often and how much coffee is prepared each day. If a lot of coffee is brewed, the coffee bean container should also be larger so that coffee beans do not have to be refilled all the time. Such models are usually taller. If you don't have that much space, you should choose a machine with a smaller container.
  • Ratings: Unfortunately it is not possible to try out the individual models for yourself. All the more important it is to have a look at the different ratings in advance. The best way to compare the results of different test portals is to compare them with each other. Or simply look at our test results on askgeorge.com.

As already mentioned, the coffee machine should be able to set the individual grinding degree. Only then will a coffee be prepared that corresponds to your own taste. Basically, when the coffee is ground finer, it tastes more intense or a bit bitterer. Coarsely ground beans are somewhat more reserved in taste but not so bitter. If the degree of grinding is changed, it usually takes two rounds before the new setting is also effective in terms of taste. Depending on your preference, the desired degree of strength can then be set. With some machines, however, it is not only possible to determine the taste via the grinding degree, but there is also an adjustment function in the menu.

There are also coffee machines with grinders where the ratio between coffee powder and water can be varied. Some models also have an aroma function. This allows the brewing process to be extended, which enhances the coffee taste.

The cup pre-selection can also be helpful. A function where the cup quantity can be specified beforehand. The corresponding amount of coffee is then ground and brewed.

It is also important that the water level is clearly readable. The tank should also be easy to fill. The timer function is also useful. This allows you to select a time before the machine automatically grinds the beans and boils the coffee.

Of course, the machines can be bought in any electronics shop. However, the machines are usually offered at a lower price online. It is best to read reviews on the Internet or to get individual advice in a specialist shop. If then a certain model is chosen, the prices can be compared quite simply online.

If you prefer personal advice, you should take a look at a specialist shop. In this way, many models can be viewed in detail in the shop. Onsite service is also an advantage. However, those who can do without it should prefer the Internet. There are not only cheaper offers, but also significantly more choices. In addition, the device is simply delivered to your home and annoying transportation can be avoided.

If you are thinking about buying a coffee machine, another variation of coffee machines might be interesting for you as well! We have also tested coffee capsule machines, normal filter machines and coffee machines with thermos flask in addition to coffee machines with grinder.

If you need a smaller amount of coffee, we also tested electric coffee grinders and wrote a detailed review for you.

And if you want to top it all off with some fine milk foam, you'll find a corresponding test here.

Tested products

Melitta Look Therm Timer 1011-15 - thumbnail Test seal: Melitta Look Therm Timer 1011-15, Rating excellent

Melitta

Look Therm Timer 1011-15

The Melitta Enjoy Look Therm Timer clearly made the best impression of all the filter coffee machines tested. The machine is easy to operate and has a very good handling. The intensity of the coffee can be individually adjusted according to your preferences. The machine even has a timer with which the brewing process starts automatically every morning and nothing stands in the way of a perfect morning. The only disadvantage is that the water tank cannot be removed.

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Philips HD7697/90 Intense - thumbnail Test seal: Philips HD7697/90 Intense, Rating good

Philips

HD7697/90 Intense

The Philips Intense HD7697/90 filter coffee maker is easy to use and has very good handling. You can adjust the coffee intensity according to your preferences. The water tank is removable and makes it easier to pour water. The problem is that fingerprints remain visible on the surface.

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Melitta Enjoy Top Therm 1017-08 - thumbnail Test seal: Melitta Enjoy Top Therm 1017-08, Rating good

Melitta

Enjoy Top Therm 1017-08

The Melitta Enjoy Top Therm is a solid filter coffee machine. The thermos jug is easy to use and the lid is easy to remove, comparable to a camera lens cover. The coffee intensity can be adjusted as desired. The automatic switch-off saves electricity. The water tank cannot be separated from the coffee machine. Fingerprints remain on the surface.

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Melitta Easy Therm 1010-06 - thumbnail Test seal: Melitta Easy Therm 1010-06, Rating good

Melitta

Easy Therm 1010-06

The Melitta Enjoy Easy Therm is user-friendly and has a good handling. The thermo flask in particular is very pleasant to use. You can't regulate the intensity of the coffee. The filter coffee machine makes a cheap impression, but it does a good job of brewing coffee.

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Philips HD7546/20 Gaia - thumbnail Test seal: Philips HD7546/20 Gaia, Rating satisfactory

Philips

HD7546/20 Gaia

The Philips Gaia filter coffee maker fulfils its job and brews coffee at an appropriate speed. The machine is a bit tricky to operate. You can't regulate the coffee intensity, as the machine has a unit strength. Fingerprints stick on the surface.

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Winner
Our winner: Melitta Look Therm Timer 1011-15 Philips HD7697/90 Intense Melitta Enjoy Top Therm 1017-08 Melitta Easy Therm 1010-06 Philips HD7546/20 Gaia

Melitta
Look Therm Timer 1011-15

Philips
HD7697/90 Intense

Melitta
Enjoy Top Therm 1017-08

Melitta
Easy Therm 1010-06

Philips
HD7546/20 Gaia

  • Adjustable coffee strength
  • Automatic switch-on
  • Handling
  • Timer
  • Adjustable coffee strength
  • Removable water tank
  • Handling
  • Processing
  • Adjustable coffee strength
  • Automatic limit switch-off
  • Handling

-

  • Water tank not removable
  • Fingerprints
  • Water tank not removable
  • Fingerprints
  • Cheaply processed
  • No strength regulation
  • Handling
  • No strength regulation
  • Fingerprints

This filter coffee machine is good and easy to handle and provides a timer function.

A well made filter coffee machine with useful features. The only disadvantage is that grease stains remain.

A practical, solid filter coffee machine, but without a removable water tank and sticking fingerprints.

Filter coffee machine with good handling, but seems to be cheaply processed. There is no intensity regulation of the coffee strength.

Fulfils its function. However: Missing basic settings, poor handling, sticking fingerprints.

Handling
Safety
Volume
Workmanship
Scope of delivery Coffee filter, user manual Coffee machine, thermos flask, filter holder, user manual Coffee filter, user manual, thermos flask Coffee filter, user manual User manual
Height 35,5 cm 35,5 cm 35,5 cm 34,2 cm 33,0 cm
Width 23 cm 16,5 cm 18,8 cm 15,5 cm 19,0 cm
Depth 21,5 cm 34,0 cm 23,0 cm 21.5 cm 25,5 cm
Weight 2430 g 2303 g 2012 g 1796 g 1949 g
Capacity litres 1450 ml 1400 ml 1400 ml 1200 ml 1325 ml
Power consumption 960 W 960 W 975 W 975 W 960 W
Max. volume 62 dB 65 dB 72 dB 69 dB 72 dB
Stand-by power consumption 0,7 W 0,8 W 0 W 0 W 0 W
Dishwasher safe
Cleaning by hand
Material Plastic, stainless steel Plastic, stainless steel Plastic, stainless steel Plastic, stainless steel Plastic, stainless steel
Special features Timer, clock, intensity setting Variable coffee intensity - - -
Display - - - -
Lighting
Cable length 95 cm 85 cm 100 cm 75 cm 85 cm
Preparation time 4-6 cups take 3 minutes and 11 seconds 4-6 cups take 3 minutes and 44 seconds 4-6 cups take 3 minutes and 33 seconds 4-6 cups take 3 minutes and 26 seconds 4-6 cups take 3 minutes and 39 seconds
Water level indicator
Coffee strength regulation 7 levels - -
Test seal: Melitta Look Therm Timer 1011-15, Rating 1.45
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Test seal: Philips HD7697/90 Intense, Rating 1.85
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Test seal: Melitta Enjoy Top Therm 1017-08, Rating 2.15
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Test seal: Melitta Easy Therm 1010-06, Rating 2.15
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Test seal: Philips HD7546/20 Gaia, Rating 3.1
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*All prices include VAT (if applicable, extra charge for delivery. Check the particular online shop to find information about the availability. Changes of indicated prices since the last update remain reserved.

  • Rinse the appliance before its first use.
  • Make sure that the thermos flask is directly under the filter holder.
  • Experiment with the amount of coffee and water until you find the optimum balance.
  • Stubborn residues can be removed by filling the jug with hot water and adding a spoonful of baking powder.
  • After cooking, allow the coffee machine to dry well by opening the water container and leaving the filter open. This prevents unpleasant smells.
  • A water evaporation of 50 ml is to be expected.
  • For an even better heat maintenance, rinse the thermos flask with hot water and preheat it.
 

Everybody knows filter coffee machines because since the 1970s they are in almost every household. In the filter machine, ground coffee is placed in the filter provided for this purpose. Cold water is added to the water tank. By extraction and filtration, the coffee machine prepares a ready-to-drink black coffee. The basic equipment includes a permanent filter made of metal sieves or a disposable filter made of paper. The extractant is the filled water.

If you want to make yourself a tasty coffee, then this can be done in a few simple steps. The coffee powder is added to the filter, which either consists of a permanent filter or should be fitted with a new paper filter each time. The quantity is the main factor that determines the strength of the finished coffee. The water, which is filled into the so-called tank, runs through a heated pipe after switching on the machine. This heating causes the water to rise towards the filter, where it is collected. The water now runs drop by drop through the filter in which the powder is located into the thermos or glass flask below as a finished black coffee. This is filled into individual cups and everyone can prepare the coffee according to his own taste. The ingredients include milk or condensed milk as well as sugar or sweetener. Cinnamon also gives the filter coffee a special taste.

Thermos flask vs. glass flask: David vs. Goliath?

When you buy coffee machines, you are faced with a fundamental decision alongside the immense selection of manufacturers and functions. Should it be a classic with a glass jug or a model with a thermos? The first problem arises when your family has different times to get up. In the glass jug, the coffee cooked early in the morning is already cold before the last cup is drunk. Even if you leave the machine switched on and consume a lot of electricity, the temperature of the caffeinated beverage will not exceed lukewarm. The next problem arises during rinsing. Due to its fragile material, a glass jug is far less durable than a thermo jug, which does not pose a risk of injury. The appearance also plays an important role and makes the thermos a clear winner in the competition. Who doesn't know the nasty brown coffee deposits that cannot be removed from the glass even with the greatest sophistication? With thermos flasks, this aesthetic limitation belongs to the past! In this article we would like to tell you more about the thermos flask and show you why coffee makers with thermos flasks are the right choice.

The history of the thermos flask

Thermos flasks are not inventions of modern times. As early as 1874, a first vacuum vessel was used for experiments and has shown that liquids inside remain unaffected by the outside temperature. The mirroring of the inner surfaces followed and in 1893 the first thermo vessels were used for the transport and storage of sensitive products. At the same time as the vessel was being developed by James Dewar, Professor Adolf Ferdinand Weinhold from Chemnitz was working on the development of a similar container. In 1881 he presented his vessel for the solidification of mercury. In 1903 Reinhold Burger researched this concept and patented the thermos flask. From then on, the container was used by the ice machine manufacturer Linde as a cooling container for liquid air. Several years have passed since the first development to today's thermos flask and various prototypes have been developed. Thermos flasks reached the market in 1920, where they went into series production and since then have become an indispensable part of the household. As you can see, the thermos flask has a long history and has been modified several times during its development, rethought and finally brought to market. Today, thermos flasks can be found in all households and are used both for keeping warm and for cooling drinks.

The function of thermos flasks can be easily explained. Conventional containers transfer the temperature of the contents to the outside air, which heats cool drinks at room temperature and cools coffee, for example. Thermos flasks consist of two mirrored bottles, one inside the other. These are separated by a vacuum that acts as a protective layer between the filling of the jug and the environment. The reflection of the surface ensures that the heat radiation is reflected and remains in the container. The principle also works for cooling beverages, as not only the warm but also the cold temperature cannot escape. In general, the surrounding temperature has no possibility of affecting the contents of the thermos flask. The beverage temperature is maintained for several hours because there is no exchange between the inside of the jug and the outside air temperature. Of course, the coffee does not remain hot forever. But thermos flasks are perfectly suitable to take the hot drink to the office or to keep the coffee warm for the long sleepers in your family.

Always warm coffee - why the thermos flask is practical

The practical use clearly results from the function. Who doesn't know it? If you are the last one to get up and the coffee was already cooked hours ago, the problem remains that the coffee is cold. So you start from the beginning, clean the pot and recook your coffee. This is valuable time that you don't really have in the morning before work. With a thermos jug, this problem will no longer annoy you. No matter who gets up first and prepares the coffee - the late risers can also enjoy a hot cup. The design also speaks for the thermos flask. Whether made of matt stainless steel or with a coloured coating, you always choose a lifestyle product with optical and practical advantages. You no longer have to worry about the container breaking when you clean it and you end up suffering an injury. Glass jugs are very fragile, while thermos jugs are robust and therefore a durable choice. Long hot coffee is certainly the main reason that makes you tend towards a coffee maker with a thermos. The other advantages should also be considered and will show you why the classic glass jug has had its day and why a new orientation is advisable.

Coffee machines with thermos flasks are inexpensive, easy to handle, flexible and user-friendly. Not only suitable for use at home, but the thermos flask also fulfils various functions. You can enjoy your usual and preferred coffee hot and fresh wherever you are. The thermos jug makes it easy for you to prepare your drink in the morning and take it with you to the office. It can be closed absolutely tightly, keeps the coffee warm and has a spout that lets you pour the coffee into the cup without dripping. Whether you're thinking about the long sleepers in your household or your caffeine kick on the road: coffee machines with thermos jugs instead of glass jugs are the clear test winners. The design also speaks for the practical all-rounders. The most popular models are those made of matt stainless steel or chrome-plated with a glossy finish. If you're looking for a coffee machine with a thermos jug, the best thing to do is to choose a model whose jug can be used as a mobile unit and is therefore also suitable for use on the go. The first thing that breaks with conventional coffee machines is the pot. Replacement is expensive and can cost the same price as the machine itself, especially with low-cost filter coffee machines. Because you don't want to buy the jug for an overpriced price, you can discard the whole machine, which works perfectly except for the coffee pot loss. This practice is neither environmentally friendly nor good for the household budget. If you are thinking about a new machine, a machine with a thermos flask is clearly the better choice.

Never cold coffee again! Thermos increases coffee enjoyment.

In the thermos flask not only the temperature of the hot drink is maintained. The aromas are also hermetically sealed and can, therefore, be enjoyed several hours after brewing without any problems. With glass flasks without an airtight cap, aromas escape and the coffee tastes stale a short time after preparation. To keep the drink warm in a glass jug, you have to leave the coffee machine switched on. This not only creates risks for fires caused by a short circuit but also raises your electricity bill unnecessarily. The desired effect is not achieved. Because despite the warming plate under the glass jug, the coffee is only kept at a lukewarm temperature. For lovers of cold drinks, iced coffee can even be a pleasure. With lukewarm coffee, you will never find approval and hear from someone that he likes exactly this temperature and doesn't want to enjoy his morning coffee any differently.

A thermos flask also needs care. Instead of chemical detergents, you can clean the thermos flask with sodium bicarbonate or baking powder. These household detergents ensure that the thermal function is maintained in the long term and that the mirroring of the inner containers is not damaged. With some detergents, the shine of the mirror surfaces can fade over time, causing the temperature to drop and the jug no longer develops its full effect. As a rule, you only need to rinse thermos flasks with hot water and can completely dispense with additional cleaning agents. Remember: a thermos flask does not belong in the dishwasher. Neither the rinsing tabs nor the rinse aid will increase the shelf life of your coffee pot. In addition, a rinse cycle would attack the sealing rubbers, so that the thermos drips after a short period of use and is no longer suitable for taking coffee with you. Less is more, it is clearly said when it comes to the care of the thermos flask of your coffee machine. To achieve hygienic purity, rinse the jug with hot water after each use and leave it open to dry in the air.

Coffee machines with thermos jugs: All facts at a glance

At this point, we would like to briefly explain the advantages, function and application of coffee machines with thermos flasks. The special construction and the mirrored coating keep your coffee warm for several hours. Thermos flasks are particularly user-friendly and easy to clean, as they are practically self-cleaning and do not require any chemical treatment. An airtight closure allows you to take the coffee pot out of the machine directly into the office. This means you don't have to buy an additional thermos flask for transport. The stylish and noble design gives you the possibility to bring the coffee directly to the table in the pot. Cold coffee is just a reminder of your past. But - the thermos jug is of course not only suitable for hot drinks. In summer, you can use it for other purposes and, for example, prepare a pleasantly cool iced coffee in it.

If you are thinking about buying a coffee machine, another variation of the coffee machine might be interesting for you! Besides coffee filter machines with thermos flask we also tested coffee capsule machines, normal filter machines and coffee machines with grinder.

We also tested electric coffee grinders and wrote a detailed test report for you.

And if you want to crown it all with fine milk foam, you'll find a corresponding test here.

In the run-up to the test, we defined practical requirements and the following test criteria:

  • Handling
  • Safety and security
  • Noise
  • Speed
  • Processing
  • Ground material
  • Range of functions

In order to be able to evaluate these criteria, we have defined several tests for the coffee machines. First, the scope of delivery is checked and the machines are prepared according to the manufacturer's specifications. When the machines are ready for use, the first cups of coffee are brewed. The water tanks are filled to the maximum in one run and to half in another. For the coffee machines with a grinder, beans of medium coffee strength are used, which are crushed at a medium degree of grinding.

In order to be able to make a comparison between the machines, the coffees are always brewed at the medium level. Additional stages and functions of the coffee machines are tested in further test runs. While the coffees are being brewed, the time needed for the warm-up, the time needed for a cup of coffee (with full and half tank) and the noise level of the machines are measured. On machines with grinders, the various grinder degrees, timer and warming functions, as well as the volume of the grinder, are checked. The temperature of the coffee is measured before the finished drinks are distributed to the test persons for trial.

In addition, the power consumption is checked during operation and in standby mode. The temperature of the coffee machines is also measured with a thermal imaging camera in order to identify potential burn hazards. Handling and ease of use are evaluated throughout the test phase. Finally, the cleaning of the devices is evaluated.

In order to rule out errors and to ensure the load of everyday use, each test takes place in several rounds.

The test criteria receive percentages depending on their importance. The final score is then objectively calculated from the test criteria using an algorithm.

Product selection

Our product selection is based on an observation of the current market. In addition to popular branded products, we also include insider tips in our selection. Criteria such as price and range of functions are an important factor for us. The test field is also determined by analysis and evaluation of customer reviews and external tests (e.g. Stiftung Warentest).

The devices are purchased anonymously or lent to us by the manufacturer. Dealers and manufacturers have no influence on the tests and our evaluation.

As soon as new relevant products come onto the market, our test field is extended by these. The new products go through the same test as the already tested devices.

Everybody loves coffee. For centuries, coffee has been drunk in many different forms. But it was not until the second half of the 20th century that coffee became affordable for everyone, and new machines came onto the market. In addition to the filter coffee machine, all other designs have become established and are still used in most households today. In many countries around the globe, coffee finds its popularity, whether machine-made or hand-brewed.

Particularly in Germany, coffee is more popular than beer or wine, so new types of coffee machines and brewing processes are being developed all the time. If you enter the term "coffee machine" in the Google search engine, you will find up to 2.5 million results on this topic. Over 9,000 products are offered here with the large online sales platforms. The most popular coffee machine are briefly introduced here:

Filter coffee machines

Present in all households since the 70s: The filter coffee machine. It can be operated in just a few simple steps since only a filter is inserted, ground coffee is poured in and water is poured into the tank. After switching on, the water runs through a heated pipe. This heating causes the water to rise towards the filter, where it is collected. Droplet by droplet, the water now runs through the filter in which the powder is located into the thermos or glass jug below as a finished black coffee. This is filled into individual cups and everyone can prepare the coffee according to his own taste.

Coffee machines with thermos jug

With a thermos flask, you can say goodbye to cold coffee. No matter who gets up first and prepares the coffee - the late risers can also enjoy a hot cup of stimulant. The design also speaks for the thermos flask. Whether made of matt stainless steel or with a coloured coating, you always choose a lifestyle product with optical and practical advantages.

Coffee pad machines

A coffee pad machine is a coffee machine in which no loose powder is added. Instead, pads are inserted that are filled with a certain amount of coffee powder and other flavours for exactly one cup. They are placed in the machine and the hot water is fed through the pad under pressure. So everyone can choose the taste individually. There are pads with vanilla, caramel or other flavours.

Coffee capsule machines

The coffee capsule machines work similarly to the pad machines. However, the capsules are more expensive to buy and are made of aluminium, which means more rubbish.

Portafilter machines

Portafilter machines are suitable for producing espresso with powder. Each cup is brewed individually, but the espresso powder is loosely placed in the filter basket and the water is pressed through it at high pressure. The result is a creamy finish on the cup. The portafilter machines are usually used in restaurants or cafés, from which a creamy cappuccino or a latte macchiato can also be made.

Bean-to-cup coffee machines

These fully-automated coffee machines are mostly used in offices or large companies because they are coffee all-rounders. Users can choose between latte macchiato, espresso or cappuccino. However, since this is a very large coffee machine, it is usually not suitable for a private household.

Espresso maker

The espresso maker is not an electric coffee maker, the coffee is still brewed by hand. These aluminium cans, which are used directly on the stove, are still very widespread, especially in southern European countries. Coffee powder and water are put together in the pot, which is heated on the stove.

So there is a coffee maker for every taste that prepares coffee quickly and easily. If you only want black coffee, you can usually rely on the tried and tested coffee filter machines.

Early on coffee was discovered as an aromatic and invigorating drink. The first reports of coffee plantations in Yemen date back to the 15th century. It is estimated, however, that the beginnings of coffee cultivation were much earlier in the 12th or 13th century and were brought to Yemen with the Crusades from Abyssinia, now Ethiopia. Over the next centuries, the spread of the crusades began from here to the whole area of today's Europe. But the production of the hot drink was often laborious in the beginning. The first coffee filter machines were developed as early as the 19th century, but they have little in common with today's coffee machines. Towards the end of the 19th century, for example, Hermann Eicke's pressurised tilting steam cabin became popular. This coffee machine, mostly made of porcelain, is regarded as the forerunner of vacuum makers. In the common language, often called Dröppelminna, was however the crane can, which worked without filter and thereby frequently the spout was blocked by coffee grounds. The coffee only came out of the pot drop by drop, it "dribbled", so to speak. Since the machines were very expensive, they were reserved only for the higher social classes.

It was not until the beginning of the 20th century when electricity became established, that the coffee machine could be operated electrically. Previously, spirit was used to brew coffee. Over the years, the coffee machine became more and more advanced and then began its triumphal march after the end of the Second World War. The earlier designs were replaced more and more by the filter coffee machine, which is similarly known today. This machine was characterized by good user-friendliness. The Wigomat, patented by Gottlob Widmann in 1954, is a pioneer in this field. This is the first modern filter-based coffee machine. The Wigomat quickly spread in North America, Western Europe and Germany and replaced the previous models. The main advantage of this coffee machine was the low brewing temperature, which made the coffee tastier. The final breakthrough of the filter-based coffee machine took place in the 70s of the last century and has been present in almost every household ever since and is now indispensable.

In a lot of countries is coffee drunk on a regular basis in many different variations. For example cold as the frappé in Greece. This is traditionally prepared with soluble coffee powder, which is shaken in a little cold water until it is foamy. Cold foamed milk and other cold water are then added. The Greeks like it sweet so that also a lot of sugar is a component, which comes together with the soluble powder into the cold water. Soy milk, on the other hand, is used in Japanese coffee, which otherwise has much in common with our coffee production. Also in Africa, for example, Ethiopia, probably one of the countries of origin of the coffee culture, coffee is drunk. This is a ceremony in which the guests are already allowed to attend the roasting of the beans until they can devote themselves to the hot drink after hours.

In Mexico, the very popular Café de olla is drunk, which is refined with cane sugar and a cinnamon stick. Traditionally, this coffee is drunk from clay cups, which are supposed to give the hot drink a slightly earthy taste. Irish coffee from Ireland, on the other hand, is supposed to warm up from the inside by adding a dash of whisky and is therefore mainly drunk during the cold and wet months. This is a filter coffee from the coffee machine, which is refined with alcohol and a dash of milk and can easily be brewed by you at home. Also, the coffee ceremony in Turkey is still traditional. Mocha powder is mixed with sugar and hot water. The coffee grounds get into the small cups, which can be drunk with a sip.

Thai iced coffee, on the other hand, is very special because the coffee is boiled together with sesame, soybeans and wheat and poured into a glass with ice cubes. The coffee is often refined with sugar and condensed milk. The Finns also drink their coffee very differently from what you might be used to. Because here one or more cubes of cheese made from reindeer or cow's milk are added to the cup. The coffee from the coffee machine is poured over the cheese. After some time the cheese is taken out of the cup and a coffee with a strong taste can be enjoyed.

Meanwhile, there are so many different ways to prepare coffee that you might lose track of them. So there are the following types of coffee, which are also offered and prepared here:

Cappuccino

The cappuccino is an espresso refined with foamed warm milk. If you have an espresso machine that also contains a milk frother, you can also make a delicious cappuccino at home, sweetened or unsweetened. If whole milk is used, the foam is particularly creamy.

Espresso

To make the perfect espresso, you need an espresso machine, because the hot water must be pressed through the espresso powder with great pressure to achieve the full taste and creamy topping. An espresso is usually drunk black, but can also be sweetened with sugar.

Coffee Americano

Coffee Americano doesn't come from the United States, as you might suspect. It was invented in Italy by American GIs stationed there. This coffee is an espresso that is extended with water, making it more digestible.

Latte Macchiato

What makes Latte Macchiato so special is that it is drunk from a tall glass, even when served warm. But this is how the layers of coffee and milk really show. The Latte Macchiato is also made from espresso and warm milk. It is important to put the milk in the glass first. The creamy espresso is then carefully poured into the glass and topped with milk foam.

Cafe au Lait and Cafe con leche

These types of coffee are translated as coffee with milk. Filter coffee from the coffee machine is used for this and put into a large cup. A lot of hot milk makes the Cafe au Lait perfect, the surface on the cup must be completely smooth. The Cafe au Lait originally comes from France, where the French dip their croissant at breakfast.

Iced coffee

Iced coffee is a coffee made from filter coffee. It is brewed and cooled again. One or two scoops of vanilla ice cream are added and topped with cream. Iced coffee is a German recipe that is often ordered in Italian ice cream cafés.

Cafe con Panna

The Italian Cafe con Panna is an espresso with cream. This is foamed like a cappuccino and gives a nice creamy finish on the cup. The cream is fuller than milk and makes a strong espresso even more digestible.

Cafe Mocha

For the preparation of a real mocha, the mocha pot for the stove is needed. The special powder is put into the filter provided for this purpose. The pot is placed on the stove at low heat because the water should not boil. The coffee is then stirred with a spoon and added to the small cups. If this preparation is too complicated for you, a Cafe Mocha can also be made with appropriate pads or capsules in the coffee machine.

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