Every year there are more and more lovers of natural and very fragrant drink. Experienced professionals are looking for ways to roast coffee beans at home not worse than it is done in industrial plants. The household coffee roaster was designed and developed exactly for such needs: to quickly and efficiently roast beans to the desired consistency.
Such an unusual kind of machine is not sold in regular stores, it is extremely rare to be found in stores selling high-end coffee. As a rule, many amateurs are looking for these devices in specialized stores selling coffee accessories on the Internet. To find out the features, as well as all the positive and negative aspects of these original devices and some of the secrets of choice, we advise you to read our article carefully. Then you’ll have a clear notion on whether to buy coffee roaster or not.
Whether you want to spend the extra bucks and roast more at once, this device for home coffee roasting has the perfect size for it.
There are open source programs you can get for free that control the roast by temperature. This allows you to research and experiment to get the best roast for your coffee to suit your personal taste.
There is a facebook page mainly for roasters that use this coffee roaster, and you can pick up recipes and tips to help you produce a better cup of coffee quicker than experimenting all on your own. If you plan on going commercial with your roasting, you may want to start with a bigger and more expensive machine. But, if you just want to have the best tasting coffee for your personal use, this is probably the best for the price.
The chaff catcher works pretty, but you need to be careful when handling it. If you drop it, coffee roaster machine breaks or chips pretty easy and spills the chaff all over. Some take this coffee bean roaster machine outside or in the garage because they don’t like the roast smell in the house.
A great tool if you want to experience coffee roasting first hand. It is in no way like those professional roasts, but it really comes close. After several days of using you’ll become very attuned to first crack and second crack and when the roast is done.
The volume of roasting is very small, though. But with a manual roaster like this and constantly shaking it, you’ll be thankful it was only this big. Starting out, to know the basics and really coming close and personal to your beans, this is the perfect tool. It’s inexpensive, and you could still roast pretty good beans for really decent coffee.
Once you get this roaster up to temp, it is amazingly quick. Roast times are similar to hot air popper method.
It will roast four scoops (approximately a half cup) evenly and in about the time of 10-12 minutes.
If you are using a gas burner outdoors, make every effort to block wind from taking away the flame heat. Not doing so will extend roast time upwards of thirty minutes.
Gene Cafe CBR-101 mini coffee roaster is designed for household coffee roasting, but many owners use it for a cafe and restaurant.
Genesis technology simplifies and automates the coffee roasting process. SO it turns out to be one of the best home coffee roasters on the market.
The coffee roaster can easily and smoothly change the frying temperature of green grain, which allows you to build a roasting profile quite flexibly. The maximum visual control of the roasting process can be carried out through the Gene Cafe CBR 101 glass container. Thanks to the original solution of the installation of the drum, the coffee is mixed very efficiently, and as a result, an even roast of the grains is obtained.
All of these features can be obtained while using Gene Cafe CBR-101 coffee bean roaster machine.
The next coffee bean roaster in our list has relatively large-capacity roaster as well as a safety feature that requires the user to push a button at 75% of the roast time to make sure the machine is not unattended. If you don’t push the button within the allotted time, coffee roaster will automatically go into cooldown mode.
Apart from the delicious results, the process itself is addictively delightful. The smells and sounds of yellowing, the Maillard reaction, first crack, caramelization, and second crack are all quite enjoyable to learn how to respond to. So you cannot leave this kind of the best coffee roasters unattended. Also, this is a 1500W device, so you probably should not run the microwave or instapot on the same circuit at the same time.
Excellent small batch coffee roaster with good performance for its money. Ideal if cooking for just yourself or up to 3 people.
The cookwell is black porcelain. It cleans easily if you soak it and this one perfectly sits diagonally submerged in a standard sized kitchen sink. Nesco warns that, as porcelain cookware is known to do, it will discolor a bit where liquids and such touch the material. Even on the first use, the cookwell developed a cloudy “ring” at the liquid level, and there were immediately some cloudy spots where drips of liquid had contacted the cookwell. They say it’s only cosmetic.
If you are curious about recipes, Nesco.com has lots of good recipes on their website. That’s a great chance to use this cheap coffee roaster not only for home coffee roasting but also for cooking.
This thing is definitely well-made; everything seems to be made of stainless steel. There is an ability to purchase the motorized model with the sampler and hopper. If you want something that is manual, portable, and sturdy, this fits that criteria well. You don’t have to worry about any parts breaking on this unit. It also comes with a North American power adapter.
Don’t expect to develop super-precise roast profiles – as you will need to depend primarily on sight, smell, and sound. It is a great idea to buy a digital thermometer, and mount via set-screw nuts. This helps give a ball-park estimate of the overall heat. And yes, with a more narrow thermometer, you can check the temp, use the hopper, and sample beans at the same time.
So far, roasts have come out even and consistent. The unit does a great job evenly distributing and containing the heat. It does feel sufficient. The most significant learning curve is learning how your heat source will interact with the Kaldi Mini. It can easily roast up to 250 grams, anything beyond that, the beans will start jumping out of the entry hole at first crack.
Overall, this is a fun, well-made product that can produce great roasts.
To roast coffee, you need, in fact, to transfer thermal energy to it. This can be done in three ways: by conduction, convection and radiation.
Conduction works by touching a hot object. For example, if you touch the iron, you feel its temperature due to conduction. Conduction is triggered when the grains touch the hot drum inside the roster. This makes coffee taste extra thick and sweet. However, too high level of conduction can damage the grain and spoil the taste.
Convection transfers heat energy through a stream of hot air. An example of convection is a hairdryer. In the roster, convection is powered by a burner that delivers hot air. This is a mild and efficient way to transfer energy, through which we get a clean, bright and acidic cup. However, it often lacks body density, and too strong convection will dry out the grain.
Radiation transmits energy without air and contact with the object. For example, when you bring your hand to the battery and feel the heat – this is the radiation. In this case, there is no conduction because you do not touch the battery, and there is no convection because the air does not move.
In the roster, the radiation of heat comes from the heated metal of the roster. This is the most penetrating and gentle type of energy transfer, but it cannot be controlled. Since manageability is one of the most important factors in high-quality roasting, roaster manufacturers are trying to reduce the level of radiation.
Almost in any roaster coffee is roasted due to all three types of energy transfer. But their proportions and the final taste of coffee vary depending on the type of roaster.
There are four main types of roasters for roasting coffee:
Drum roasters are the most popular roasters in industrial roasting. Due to the stability of roasting and the transparency of the processes, such roasters allow you to get a balanced and sweet taste of coffee.
Initially, they were arranged simply: the coffee rotated in a horizontally mounted drum, under which there were burners with a flame, and the smoke was exhausted by fans or a natural draft. In such roasters, coffee was roasted mainly due to conduction.
Now the design of the drum rosters is somewhat complicated. Now coffee in equal proportions is affected by conduction, convection and a small part of the radiation.
Depending on the model of the roster, the type of burners and the air traction device, these proportions change. For example, on the most modern drum roasters, the proportions are: 50% convection, 30% conduction, the rest is radiation. On many simpler drum-type roasters, the proportions of the energies are closer to conduction and radiation.
Thanks to its relatively simple maintenance and reliability, drum roasters have won the trust of professionals. They are used both in large productions and during the roasting championships.
Convection roasters are a relatively new type of roasters, in which coffee is roasted solely by a stream of hot air.
The advantage of convection roasters is that their inertness is minimal and their roasting is faster and without visible defects. However, the disadvantages are still more. For example, with visible controllability, it is extremely difficult to achieve stability of taste, the taste itself is often not quite balanced, and frying a large amount of coffee is inconvenient.
Mixed-type roasters are the most technically sophisticated, modern and expensive roasters.
Mixed roasters resemble home drum coffee roaster because they also have a drum. The difference is that this drum is fixed, and to evenly mix the coffee, only the blades inside rotate. Outside the roaster, a turbo burner is installed, which creates a stream of hot air for roasting coffee.
The ratio of types of energy transfer in such a roster is even more biased towards convection – 60–70%. At the same time, the advantages of drum roasters are preserved, but the disadvantages of convection rosters are not.
Coffee from such a roaster is clean, bright, balanced and sweet.
The first thing that a potential buyer and future owner of a unique coffee bean roaster needs to know is the performance of the product:
For personal use, you need to purchase miniature devices with a capacity of up to 300 g. Coffee owners can use products that can fry up to 2 kg of green beans in one working cycle.
LEARN HOW TO CHOOSE BEST GREEN COFFEE BEANS.
Professionals who earn the art of roasting, performing solid orders, prefer universal units with a capacity of at least 2-3 kg.
If you plan to open your roasting business and the subsequent sale of perfectly roasted beans to different consistencies, then pay attention to the machines with a capacity of 50 kg and above.
In large factories for the processing of green beans units with a capacity of 250 kg per cycle are installed.
Today we are telling you mainly about home roasters, which will allow you to quickly process the grains to the desired condition without any special effort on the part of the user, you just need to put the beans and set the correct mode.
We remind once again that such products are not sold in regular stores of household appliances, they can be found only in specialized outlets that sell coffee and related products.
For coffee, it is important to be freshly roasted if you want it to be fragrant. Two weeks after roasting, half of the essential oils evaporate, which make up the coffee aroma. No state-of-the-art coffee beverage preparation unit will help to make delicious coffee from coffee beans roasted six months or a year ago, even if the coffee is packaged in a bag with a flap. The difference between freshly roasted coffee and store-bought (especially imported) coffee is the same as between fresh bread and breadcrumbs.
Remember that after roasting, it is necessary to allow the grains to brew for at least 12 hours, as experts say in these matters: coffee finally calms down after processing and becomes as tasty as possible in a day. Freshly processed coffee beans begin to lose all taste in a week of storage, so do not reserve for future use – the machine is always at hand, and frying a few grams of coffee is not a problem.
That’s the reason why you shouldn’t hesitate and buy the best home coffee roaster. Home coffee roasting has never been so easy.