best 12kg coffee roaster machine

Exploring the World of 2kg Coffee Roasters

In the art of crafting the perfect cup of coffee, one of the key factors lies in the roasting process. Coffee roasting is a delicate balance between science and craftsmanship, requiring precision and finesse to bring out the desired flavors and aromas. While commercial roasters are readily available, the emergence of smaller-scale roasters has captured the attention of coffee enthusiasts and professionals alike. In this article, we delve into the realm of 2kg coffee roasters, exploring their features, benefits, and the possibilities they offer for coffee aficionados and budding roasters.


Mastering the Art of Coffee Roasting:

Coffee roasting is a transformative process that turns green coffee beans into the fragrant, flavorful beans we all love. A 2kg coffee roaster is a smaller-scale roasting machine designed to provide control and precision in the roasting process. These roasters are particularly suited for specialty coffee shops, micro-roasteries, or passionate individuals seeking to hone their roasting skills.

Precision and Control:

One of the standout features of a 2kg coffee roaster is its ability to offer precise control over the roasting parameters. These machines typically come equipped with advanced temperature and airflow controls, allowing roasters to fine-tune the roast profile according to their desired outcome. With such control, roasters can experiment with various roast levels and profiles, tailoring the flavors and aromas to their liking.


Small Batch Roasting:

The 2kg capacity of these roasters makes them ideal for small batch roasting. Unlike larger commercial roasters that handle larger volumes, a 2kg roaster enables roasters to focus on quality and consistency on a smaller scale. This is particularly beneficial for specialty coffee shops that prioritize freshness and diversity, as it allows them to roast smaller quantities of unique beans without compromising quality.

Versatility and Flexibility:

2kg coffee roasters offer a remarkable degree of versatility, accommodating various coffee profiles and accommodating different types of green coffee beans. Whether it’s a light, medium, or dark roast, these roasters can adapt to different preferences and roast profiles. This flexibility empowers roasters to experiment with a wide range of beans, origin characteristics, and flavor profiles, expanding the possibilities for exploration and creativity.


Quality and Consistency:

Maintaining consistency in roasting is crucial for any coffee roaster, and 2kg roasters excel in delivering reliable results. These machines are designed with even heat distribution, ensuring uniform roasting throughout the batch. Roasters can monitor the process closely, making adjustments as needed to maintain consistent quality. This consistency is vital for specialty coffee establishments that strive to provide customers with a consistently exceptional coffee experience.

The world of coffee roasting continues to evolve, and 2kg coffee roasters have emerged as valuable tools for professionals and enthusiasts alike. With their precision, control, and versatility, these roasters open up a world of possibilities for small-scale roasting operations and specialty coffee establishments. The ability to experiment with different beans, origin profiles, and roast levels provides an avenue for creativity and exploration. As the demand for high-quality coffee grows, the 2kg coffee roaster is poised to play a significant role in shaping the future of the coffee industry, ensuring that every cup is a delight to the senses.

PKF-2KG Coffee Roaster testing video:


The Small Batch of 1kg Coffee Roaster

In the world of coffee enthusiasts, the pursuit of the perfect cup is an endless journey. It requires attention to detail, quality beans, and, most importantly, a well-calibrated roaster. While larger coffee roasters dominate the commercial market, there is an emerging trend toward small-batch roasting. In this article, we will explore the advantages and delights of the small batch 1kg coffee roaster, a compact yet powerful machine that is transforming the way coffee is roasted and enjoyed.

The Rise of Small Batch Roasting: Small-batch coffee roasting has gained popularity among specialty coffee roasters and passionate home brewers alike. This artisanal approach allows for greater control over the roasting process, resulting in enhanced flavor profiles and a more nuanced taste experience. Unlike larger commercial roasters, which focus on mass production, small-batch roasters prioritize quality over quantity, enabling coffee enthusiasts to experiment and craft their own unique blends.


Benefits of Our Small Batch 1kg Coffee Roaster:

1. Precision and Control: One of the primary advantages of a small-batch roaster is the level of precision and control it offers. Roasting a small quantity of coffee allows for better temperature management and control over roast profiles. This means that roasters can fine-tune each batch to highlight specific flavors, acidity, and aromas, resulting in a more personalized and consistent cup of coffee.


2. Freshness and Quality: Small batch roasting ensures a higher level of freshness and quality. Roasting in small quantities means that coffee can be consumed at its peak flavor, as it is not sitting on shelves for an extended period. This freshness enhances the aromatic qualities and intensifies the tasting experience, allowing coffee enthusiasts to truly savor the intricate flavors of each bean.

3. Experimentation and Creativity: With a small batch of 1kg coffee roasters, roasters have the freedom to experiment and unleash their creativity. They can explore different coffee varieties, origins, and roast levels, creating unique blends tailored to their taste preferences. This level of customization fosters a sense of discovery and passion for the craft of coffee roasting.

4. Space Efficiency: Small batch roasters are designed to fit comfortably in smaller spaces, making them suitable for home use, specialty coffee shops, or micro-roasting businesses. They offer a compact footprint while still providing the power and functionality needed to achieve consistent and professional-grade roasts.

high quality coffee roaster
high-quality coffee roaster

5. Accessibility: The small batch 1kg coffee roaster bridges the gap between commercial roasters and home brewing equipment. It provides an accessible entry point for aspiring coffee roasters, allowing them to learn and refine their skills without investing in larger, more expensive machinery. This democratization of coffee roasting has sparked a wave of passionate home roasters, fostering a vibrant and enthusiastic coffee community.

The small batch 1kg coffee roaster represents a revolution in the world of coffee roasting. Its precision, control, and versatility allow coffee enthusiasts to unlock the true potential of their beans, creating exceptional flavor profiles and a truly personalized coffee experience. Whether you are a home brewer or a professional roaster, this compact yet powerful machine opens up a world of possibilities, offering the opportunity to craft unique blends and explore the endless wonders of coffee. Embrace the small batch roasting revolution and elevate your coffee journey to new heights.

A short video about our 1kg coffee roaster:


The Art and Science of Coffee Roasting: Unleashing the Perfect Brew


Coffee, the aromatic elixir that fuels millions of people around the world, goes through a meticulous and fascinating journey before it reaches our cups. One of the critical steps in this process is coffee roasting. The art of coffee roasting involves carefully applying heat to transform raw green coffee beans into the flavorful and aromatic gems we all love. In this article, we will delve into the world of coffee roasting, exploring its techniques, the impact it has on flavor profiles, and the equipment used to achieve that perfect cup of joe.

1. The Basics of Coffee Roasting:

Coffee roasting is both an art and a science. It requires a deep understanding of the raw materials, precise control of temperature and time, and an acute sensory perception to determine the ideal roast level. The process involves subjecting the green coffee beans to high temperatures, causing chemical reactions that unlock the characteristic flavors, aromas, and colors associated with different roasts.

home coffee roaster
1kg coffee roaster

2. Roast Levels and Flavor Profiles:

Coffee roasts can range from light to dark, each producing a distinct flavor profile. Light roasts are characterized by their delicate acidity, floral notes, and pronounced brightness. Medium roasts strike a balance between acidity and body, offering a fuller flavor with hints of chocolate and caramel. Dark roasts yield bold, smoky flavors, lower acidity, and a robust body. Roasters carefully choose the roast level to accentuate specific characteristics of the coffee bean, creating a diverse array of flavors.

the degree of roasting
the degree of roasting

3. The Roasting Process:

a. Green Coffee Preparation: Before roasting, the green coffee beans undergo various preparation steps, including sorting, cleaning, and removal of any defective beans or foreign matter. This ensures a consistent roast and optimal flavor development.

b. Roasting Equipment: Coffee roasters use a variety of equipment, ranging from small batch roasters to large-scale commercial machines. Traditional drum roasters, hot air roasters, and fluid bed roasters are commonly employed. Each method provides different heat transfer dynamics and controls over the roasting process.

big commercial roaster
big commercial roaster

Big commercial roaster testing video show:

c. Roasting Profiles: Roasters meticulously design roast profiles, which outline the desired temperature and time parameters at each stage of the roast. These profiles can be customized to bring out specific flavors, enhance sweetness, or balance acidity, among other variables. Modern technology allows for precise control and repeatability of roast profiles.


d. Monitoring and Development: Throughout the roast, the coffee roaster relies on their senses to evaluate the beans’ color, aroma, and audible cues such as cracks. First, the beans undergo the “first crack,” indicating the release of moisture and the onset of development. Subsequently, the “second crack” occurs in darker roasts, signaling the beans’ caramelization. Expert roasters meticulously monitor these stages to achieve desired roast levels.

The chart reflects a 27.5% development time scale, showing a state of deep roasting
The chart reflects a 27.5% development time scale, showing a state of a deep roasting

4. The Role of Time and Temperature:

Time and temperature are crucial factors in coffee roasting. Higher temperatures result in faster roasting and can produce dark roasts, while lower temperatures yield lighter roasts. Roasters experiment with different combinations of time and temperature to achieve the desired balance of flavors, body, and acidity.

5. The Roast Development Cycle:

Roast development refers to the overall process of transforming green coffee beans into a roasted state. The cycle consists of several stages: drying, browning, first crack, and if desired, second crack. Each stage contributes to the complex flavor profile, and experienced roasters employ their knowledge and sensory acuity to create unique blends.


Coffee roasting is an intricate process that marries artistry and scientific precision. It requires a deep understanding of coffee beans, precise control of time and temperature, and the ability to finely tune flavor profiles. Through the careful application


Roasting Curve

The roasting curve is a record of relevant data such as the temperature change in the furnace and the corresponding time during the coffee roasting process. According to the recorded information, we can track the stages of coffee roasting in real time, judge the roasting situation, and then formulate a subsequent roasting plan for later reproduction or adjustment.

As shown in the figure, the horizontal axis represents time, and the vertical axis represents temperature. The curve can record the key points in the roasting process, such as the temperature of the beans entering, the temperature returning, the first cracking point, the second cracking point, the bean output temperature, and so on. The degree of change of the curve reflects the rate of temperature rise. The steeper the curve, the faster the temperature rise, that is, the shorter the time for each temperature rise; on the contrary, the slower the curve, the slower the temperature rise.


Such a roasting curve can be drawn by manually recording the data every small fixed time. But now many roasters can already display the roasting curve in real-time on the basis of real-time monitoring of temperature and display time. In addition, more abundant data can be displayed, including heating rate, boiler speed, damper size, and so on.


The development and changes of coffee during the roasting process affect the expression of the final coffee flavor. The different densities, moisture content, water activity, and processing methods of green beans will also affect their roasting. Therefore, roasters not only need to master the roasting curve but also need to understand the characteristics of coffee, so that they are more likely to make correct judgments and make appropriate adjustments to the roasting situation.

Our coffee roasters use Omron temperature controlling system and the real-time temperature can be accurate to one decimal place. Here is our video for your reference: Besides, our coffee roaster equipment is also suitable for most types of software, e.g. Artisan is free to use, and all data relevant to roasting is saved, allowing it to be accessed and analyzed at any time.