What is Roasting? This is How to Choose the Right Coffee Roasting Machine

Many people enjoy coffee every day, but not everyone knows that roasting is the main key behind the delicious taste and aroma of coffee. 

Without this process, coffee beans will only taste bland and have no distinctive character.

So, what is roasting really? Roasting is the process of roasting raw coffee beans (green beans) to develop a distinctive taste, color and aroma. 

During roasting, coffee beans undergo a chemical reaction that causes them to change from green to brown with a unique flavor profile. 

This process really determines the quality of the coffee. 

Choosing the right coffee roasting machine is crucial for coffee business owners. 

The right machine allows you to produce high-quality coffee while maintaining a consistent taste.

However, questions must arise in your mind, right? 

Questions about how to choose a coffee roasting machine that suits business needs? Don't worry, let's see the answer in this article!

Read Also: 22 Promising Food Business Ideas for Beginners in 2025 with Minimal Capital!

Why is Roasting Important?

Source: Freepik

Did you know that raw coffee beans don't actually have a strong taste? Wow, how is that possible? 

So, this is the importance of the roasting process. Process roasting is levels that change the components of the coffee beans to produce a special taste. 

Without roasting, coffee would not have the aroma and taste that we usually enjoy. 

Besides that, roasting also includes how coffee beans are roasted to a certain level of maturity. 

These roasted coffee beans have three levels that you should know about, you know! Well, here are the three most common roasting levels:

• Light Roast: The taste is more sour with a strong fruit aroma.
• Medium Roast: Balanced between sour and bitter, suitable for a variety of brewing methods.
• Dark Roast: The taste is more bitter with a special smoky aroma.

Each roasting level produces a different coffee character. 

Therefore, it is very important to choose a coffee roasting machine which can adjust the maturity level to your business needs.

What is Good Roasting? Get to Know the Process!

In essence, for maximum results, process roasting is something that must be done with technique and requires ability. 

So, here are the important stages in coffee roasting:

1. Drying (Drying Coffee Beans)

Before coffee beans change color, the water content must be reduced first. This process occurs at ambient temperature 100-160°C.

2. Browning (Coffee Bean Browning)

After the water evaporates, the coffee beans begin to turn brown. At this stage, the compounds in the coffee begin to react and produce a distinctive aroma.

3. First Crack

At this stage, the coffee beans begin to expand and make a "crack" sound. 

Well, this is the part that makes the roasting process a sign that the coffee is ready to be consumed.

4. Development (Maturation of Taste)

After the first crack, the coffee's flavor continues to develop. This is the time to determine what coffee will be light, medium, or dark roast. 

This process must be carried out with a coffee roasting machine which can maintain a stable temperature. 

If the temperature is too low, the coffee will taste sour and undercooked. 

On the other hand, if it is too high, the coffee can burn and lose its original character. 

Therefore, stability is needed in ripening the taste of these coffee beans.

Read Also: Get to know the 9 uses of a central kitchen for restaurants and culinary businesses

How to Choose the Right Coffee Roasting Machine

Source: Freepik

Now you know what roasting is, now is the time to choose a coffee roasting machine that suits business needs. So, here are several things to pay attention to:

1. Coffee Roasting Machine Capacity

Every business has different needs. If you are just starting a home coffee business, a machine with capacity 1 - 5 kg per batch is enough. 

However, if your business is large, it is better to use a machine that can bake 10 kg and above in one process.

2. Engine Warm-up Type

There are two main types of internal heating coffee roasting machine:

• Gas Roaster → Using gas as a heat source. The temperature is more stable and easy to control.
• Electric Roaster → Uses electricity. Suitable for small scales, but less flexible in temperature settings.

If you want more precise results, a machine with a gas heater is recommended.

3. Accurate Temperature Control

The coffee roasting temperature must be well controlled. 

Choose a machine that has an automatic temperature setting feature so that the results are more consistent.

4. Ease of Maintenance

Make sure the machine is easy to clean and does not require complicated maintenance. 

Machines that are difficult to clean can affect the quality of the coffee produced.

5. Budget & Machine Price

Price coffee roasting machine varies depending on capacity and features. Don't just choose the cheap one, but adjust it to your business needs. 

So, are you curious about the prices and recommendations for coffee roasting machines in 2025? Check this out!

Recommendations for 2025 Coffee Roasting Machines and Prices

Choosing a coffee roasting machine that suits your business certainly can't be random. 

The price and features of the machine greatly determine the final result of the coffee bean roasting process. 

So, here are several choices of coffee roasting machines and their prices:

1. Coffee Roasting Machine Capacity 1500gr Full Feature: Rp4,900,000

Well, do it for those of you who are just starting a small-scale coffee business or want to learn to roast yourself, this machine could be the right choice. 

With a capacity of 1,5 kg per batch, this machine is sufficient for small and medium production.

2. Gene Cafe Coffee Roaster 101 Black: Rp8.800.000

Source: Tokopedia

Next, if you want a machine with more advanced features, Gene Cafe Coffee Roaster 101 Black could be the best option. 

This machine is famous for its ability to produce more precise and consistent roasting. Suitable for businesses that want to maintain high quality standards.

3. Original VNT Coffee Roasting Machine Size 5 Kg: Rp68,900,000

Finally, if you are serious about developing your coffee business on a large scale, this 5 kg capacity roasting machine could be an option. 

It has premium features and a large capacity, making it suitable for roasteries that want to produce coffee in large quantities with high taste consistency.

From the list above, you can choose a coffee roasting machine according to the scale of the business and available budget.

Make sure you choose a machine that can meet production needs and has supporting features when processing roasting, so that the results are optimal. 

Conclusion

Now you know that roasting is the main key in creating a distinctive coffee taste. This process cannot be haphazard because each stage determines the final quality of the coffee.

For maximum results, make sure you use a coffee roasting machine that suits business needs. Pay attention to the capacity, type of heating, temperature settings, and ease of maintenance before purchasing.

Apart from that, don't forget to use digital systems to optimize your coffee shop operations. Now, ESB POSLite & ESB POS is the answer! 

You don't need to bother anymore!

Let's take your coffee business to the next level! Don't hesitate to consult with the ESB Team now!