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  • Writer's pictureDaryna Panchak

How to choose Roaster: Coffee Roaster Types and Notable Coffee Roaster

Updated: Sep 15, 2023

Introduction: Embarking on a Roasted Odyssey

In the realm of coffee, where fragrances and flavors entwine in a captivating ballet, there exists an art form that's nothing short of magical – the world of coffee roasting. It's a journey that transcends mere science; it's a passionate odyssey where humble green coffee beans evolve into the aromatic marvels that grace our mornings.

But don't mistake this for a casual jaunt; it's a grand voyage, a quest into the heart of taste itself. Each roast, every batch, holds within it the potential for an experience that's as unique as it is unforgettable. Are you ready to set sail on this aromatic odyssey, to navigate the diverse landscape of coffee roasters, and to master the craft of flavor?

In this all-encompassing guide, we won't just be your guide; we'll be your fellow traveler, sharing the secrets of the coffee roasting world. We'll wander through the enchanting forests of coffee roaster types, traverse the bustling cities of renowned brands, and dive headfirst into the deep waters of considerations that will illuminate your path. Whether you're an eager home brewer in pursuit of the perfect morning cup or a budding coffee entrepreneur, the wisdom you'll unearth here will be your North Star.

So, put aside your assumptions, open your senses wide, and get ready for a journey into the very soul of coffee roasting. This is an odyssey awaiting your embrace, and within its folds lie treasures beyond measure. The symphony of flavors is about to commence, and you have a front-row seat.

Types of Coffee Roasters

Coffee roasting, an alchemical process that transforms green coffee beans into aromatic brown gems, is a practice steeped in tradition. To embark on this journey of flavor, you first need to understand the types of coffee roasters available. It's a landscape where innovation and heritage intersect, offering a plethora of choices to suit diverse preferences. Let's delve into the realms of these roasters, each with its own unique qualities, and uncover which one aligns with your coffee aspirations.

In this section, we'll explore the following:

  • Drum Roasters: Traditional and Time-Tested

  • Fluid Bed (Air) Roasters: Precision and Control

  • Hot Air (Centrifugal) Roasters: Innovative and Efficient

  • Commercial vs. Home Roasters: Finding the Right Fit

  • Custom Roasting Machines: Tailoring Your Roasting Experience

1. Drum Roasters: Traditional and Time-Tested


  • Drum roasters are the quintessential coffee roasting machines, synonymous with timeless craftsmanship and aromatic perfection.

  • They consist of a cylindrical drum, typically made of steel or cast iron, which rotates to evenly roast the coffee beans.

  • These roasters are preferred for their ability to produce consistent results and enhance the beans' flavor profiles.


  • Consistency: Drum roasters provide uniform heat distribution, resulting in consistent roasts.

  • Aroma Development: They allow for extended roast times, which enhances aroma and flavor.

  • Large Batch Sizes: Ideal for larger-scale production, making them suitable for commercial use.

  • Durable: Known for their longevity and robust build quality.


  • Learning Curve: Mastering the art of drum roasting can be challenging for beginners.

  • Manual Operation: Many drum roasters require manual monitoring and adjustment.

  • Size and Space: They tend to be larger and require more space than other roasters.

  • Cost: Commercial drum roasters can be costly investments.

2. Fluid Bed (Air) Roasters: Precision and Control


  • Fluid bed roasters, also known as air roasters, offer a unique approach to coffee roasting.

  • Instead of a drum, they employ a stream of hot air to suspend and roast the coffee beans.

  • These roasters are prized for their precision and ability to highlight the nuances of different coffee origins.


  • Uniform Roasting: The hot air ensures uniform roasting and prevents scorching.

  • Control: They offer precise control over temperature and roast profiles.

  • Speed: Fluid bed roasters are typically faster, with shorter roast times.

  • Compact: They are often smaller and more space-efficient.


  • Small Batch Sizes: Suitable for home use and small-batch roasting.

  • Learning Curve: Understanding and optimizing roast profiles may require time.

  • Limited Capacity: Not ideal for commercial-scale production.

  • Roast Development: Some argue that they may not develop the same depth of flavor as drum roasters.

3. Hot Air (Centrifugal) Roasters: Innovative and Efficient


  • Hot air or centrifugal roasters are relatively modern innovations in coffee roasting technology.

  • They employ a cyclone of hot air to roast coffee beans, offering efficient and consistent results.

  • These roasters represent a fusion of traditional drum roasting and fluid bed roasting techniques.


  • Efficiency: Centrifugal roasters are known for their efficient use of heat.

  • Consistency: They provide consistent results similar to drum roasters.

  • Compact Design: Many models are compact, making them suitable for home use.

  • Ease of Use: Some centrifugal roasters are user-friendly, requiring less manual control.


  • Cost: Quality centrifugal roasters can be a significant investment.

  • Limited Capacity: Similar to fluid bed roasters, they are best suited for small-batch roasting.

  • Availability: Limited availability compared to drum and fluid bed roasters.

4. Commercial vs. Home Roasters: Finding the Right Fit

Commercial Roasters:

  • Designed for high-volume coffee production, commercial roasters are heavy-duty machines with larger batch capacities.

  • They are favored by coffee businesses, roasteries, and cafes for their ability to handle continuous roasting.

  • Commercial roasters vary in size, from small-scale models to massive industrial machines capable of roasting large quantities of beans.

Home Roasters:

  • Home coffee roasters are tailored for personal use and small-batch roasting.

  • They are compact, user-friendly, and ideal for coffee enthusiasts who want to experiment with roasting at home.

  • These roasters come in various designs, including drum, fluid bed, and centrifugal types.

5. Custom Roasting Machines: Tailoring Your Roasting Experience

  • Some roasters offer customization options, allowing you to fine-tune roast profiles and achieve specific flavor profiles.

  • Customizable elements may include temperature control, fan speed, and roast duration.

  • These roasters are prized by experienced roasters who want full control over the roasting process to accentuate unique flavor characteristics.

Now, we've laid the foundation by exploring the types of coffee roasters available. In the following articles, we'll delve deeper into each type, providing insights into their mechanisms, roast profiles, and notable brands. So, whether you're a passionate home roaster or a coffee entrepreneur seeking the perfect commercial roaster, stay tuned for a comprehensive guide to choosing the right one for your coffee journey.

Finding the Perfect Roasting Size: From Home Delights to Industrial Giants

When you dive into the world of coffee roasting, one critical question looms large: What's the right size and capacity for your roaster? This isn't just a matter of dimensions; it's about aligning your roasting dreams with the perfect machine. Whether you're a coffee connoisseur roasting for your morning delight or an entrepreneur fueling a bustling coffee empire, let's unravel the diverse world of roaster sizes and capacities to help you navigate this pivotal choice.

1. Home and Sample Roasters:

A Delight for: Coffee lovers who want to savor the magic of home roasting, cozy cafes, and anyone exploring the art with sample roasts.

Batch Capacity: Typically, these roasters handle anywhere from 100 grams to 1 kilogram (equivalent to 3.5 ounces to 2.2 pounds) per roast.

The Lowdown: These machines are like artisanal microscopes for coffee. They're designed for precision and attention to detail, making them perfect for those keen on diving deep into different coffee profiles and origins.

2. Small to Medium Batch Roasters:

A Niche for: The flourishing boutique cafes, micro-roasteries, and businesses that demand a moderate coffee production.

Batch Capacity: You're looking at roasting between 2 to 10 kilograms (that's roughly 4.4 to 22 pounds) per batch.

The Rundown: These roasters strike a balance between control and capacity. They're your partners in delivering consistently delightful coffee experiences without overwhelming you.

3. Medium to Large Batch Roasters:

A Sweet Spot for: The growing coffee enterprises, established roasteries, and places where coffee flows steadily.

Batch Capacity: Prepare to roast between 10 to 60 kilograms (about 22 to 132 pounds) or possibly even more per batch.

The Inside Scoop: Efficiency meets consistency here. These roasters often come decked out with advanced features for fine-tuning your roast profiles and keeping quality levels sky-high.

4. Industrial and Plant-Scale Roasters:

A Playground for: The heavyweights of the coffee industry, large-scale coffee production facilities, and roasting plants.

Batch Capacity: Think in terms of hundreds of kilograms to multiple tons of coffee per hour.

The Deal: These roasters are like the juggernauts of the coffee world. They're built for unmatched efficiency and automation, capable of churning out immense quantities of roasted beans round the clock.

Choosing the right size and capacity isn't just about numbers; it's about your vision. You've got to balance batch size, production volume, and the space you can dedicate to your roaster. And don't forget your budget, energy needs, and whether you're eyeing automation in your coffee kingdom. With these factors in your coffee toolkit, you'll have the wisdom to pick a roaster that's in sync with your coffee dreams, be they cozy or colossal.

Notable Coffee Roaster Brands

In the ever-expanding universe of coffee roasters, several brands have risen to prominence, each with its unique approach to the craft of coffee transformation. Here, we'll explore a selection of distinguished names who deserve special recognition:

Global Giants:

1. Probat (Germany):

  • Legacy and Precision: Probat, hailing from Germany, stands as a centenarian in the industry. Their legacy of precision and craftsmanship has made them a preferred choice for established coffee establishments.

2. Diedrich (USA):

  • American Craftsmanship: Diedrich, an American icon, offers a range of roasters, including drum and infrared models. Their commitment to sustainability and innovative design sets them apart.

3. Giesen (Netherlands):

  • Dutch Innovation: Hailing from the Netherlands, Giesen has achieved global acclaim for its robust drum roasters. These machines are celebrated for their durability and adaptability.

4. IMF (Italy):

  • Efficiency and Consistency: As your trusted partner, IMF (Industrias Marino), based in Italy, plays a pivotal role in your coffee roasting journey. IMF's roasters are meticulously designed for efficiency and consistency, earning them the trust of roasters worldwide.

Regional Gems:

5. San Franciscan (USA):

  • Artisanal Excellence: Nestled in California, San Franciscan specializes in handcrafted drum roasters catering to boutique coffee businesses. Their commitment to artisanal quality makes them a cherished choice.

6. Joper (Portugal):

  • European Finesse: Originating in Portugal, Joper brings European finesse to the coffee roasting scene. They offer a diverse range of roasters tailored to both small-scale and large-scale operations.

7. Toper (Turkey):

  • Turkish Robustness: Toper, based in Turkey, is a prominent name in the coffee industry, well-regarded for its robust drum roasters. These machines are celebrated for their sturdiness and user-friendliness.


8. Aillio (Bullet R1 - Sweden):

  • Technological Advancement: The Bullet R1, hailing from Sweden, has earned a devoted following among specialty coffee enthusiasts. This compact drum roaster boasts advanced technology for precise roasting.

9. Ikawa (United Kingdom):

  • Home Roasting Revolution: Ikawa, headquartered in the United Kingdom, revolutionizes home roasting with its sample-sized roasters, offering coffee enthusiasts the ability to experiment with roast profiles effortlessly.

Eco-Conscious Options:

10. Loring (USA):

  • Sustainable Design: Loring, an American brand, leads the way in sustainability with its innovative design, incorporating a single-burner system that reduces emissions and fuel consumption.

11. Bellwether (USA):

  • Zero Emissions: Bellwether's electric fluid bed roasters, also from the United States, are zero-emission, providing an eco-conscious solution for coffee businesses looking to reduce their carbon footprint.

These standout brands encompass a wide spectrum of choices to meet the diverse needs of coffee roasters. In the next articles, we'll delve into the critical factors you should consider when selecting the perfect coffee roaster for your specific requirements.



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