Welcome to the future of high-capacity coffee roasting. Our industrial Roasting Plant solutions deliver quality and sustainability at scale. From green bean to packaged product, our turnkey systems streamline your entire workflow for retail, restaurant, and wholesale supply.
Built on decades of engineering expertise and Dutch craftsmanship, our industrial solutions combine robust hardware with advanced automation and real-time process insight. The results are lights-out roasting operations that scale without compromise.
Up to 24 kg / h.
With a 6-kilo capacity per batch and up to 24 kilos per hour, Giesen W6 series roasters deliver efficiency and consistency. Perfectly balanced for professionals who demand both quality and volume.
The ultimate centerpiece for your coffee shop. Designed to perfection, it offers the flexibility of full-control manual roasting alongside the convenience of fully automatic roasting. Handcrafted in the Netherlands and shipped worldwide.

Industrial solutions
Giesen Industrial Solutions are designed to support high-capacity roasting without compromising consistency or control. Our fully integrated systems connect every stage of the production process, from green coffee intake to automated roasting and post-roast handling.
Customer succes stories
Our success stories reflect partnerships with producers who have scaled their operations, improved efficiency, and strengthened consistency through tailored Giesen solutions. Whether expanding, modernising, or building a new facility, these projects demonstrate what is possible when expertise meets vision.
Advantages of Giesen
We combine precision engineering with expertise to deliver solutions that perform reliably at scale. Our systems are built for consistency, efficiency, and full process control. With intelligent automation, durable construction, and global support, we help producers optimize production while maintaining the needed flexibility.
Client spotlights
One of, if not the most renowned specialty coffee roaster in France. Belleville grew, and Giesen grew with it. They switched from a Giesen W15A to a W30A Pro, which represents a huge step forward in capacity. Listen to their whole story.
A wonderful project by wonderful people. Rigano is a roastery with a unique perspective on coffee and its heart in the right place. With a lot of Giesen equipment in their fleet, they tell the Giesen story like no other.
Dinzler adopted our first two Giesen W140A roasters, and their story is a testament to what we stand for: quality, partnership, and innovation. Watch the video for their full story.
Electric coffee roasting without compromising on capacity and quality? Alrighty opted for a unique setup that enables them to roast 180 kilograms of coffee per hour. Using electricity.
At Brandzaak, sustainability and productivity are paramount. We have enjoyed a long and constructive working relationship with this company. Brandzaak also grew and developed new requirements, which we were happy to facilitate.
Knowledge articles
Black Knight: from concept to creation
Silo storage solutions
The next step in industrial roasting
Partner with Giesen to build a production system that delivers consistency, efficiency, and long-term confidence.

- Pre-processing
- Roasting
- Post-processing
- Operations
Technical data.
If you need any further technical information that you can't find on this page, please contact us. We will be happy to help you!
Giesen roasters combine advanced temperature control with cutting-edge automation, ensuring consistency and ease in every roast. With features like automatic mode and burner percentage control, you have the tools to master your craft and achieve unparalleled results.
Giesen roasters feature advanced airflow control, allowing you to fine-tune the roasting environment to achieve your desired flavor profiles. By adjusting the underpressure settings, you can influence the heat transfer and development of your beans.
Measurements
W6A - 1427 (L) x 723 (W) x 1705 (H)
W6E - 1410 (L) x 723 (W) x 1705 (H)
W6A Pro - 1623 (L) x 2414 (W) x 1944 (H)
Weights
W6A - 485 kg (roaster only)
W6E - 496 kg (roaster only)
W6A Pro - 600 kg (roaster only)
Minimum batch size
W6A - 3 kg
W6E - 3 kg
W6A Pro - 3,5 kg
Maximum batch size
W6A - 6 kg
W6E - 6 kg
W6A Pro - 7 kg
Sound level
W6A - 70 dB (A)
W6E - 70 dB (A)
W6A Pro - 70 dB (A)
Supply voltage
W6A - 230V AC (1L+N+PE)
W6E - 400 V AC (3L+N+PE)
W6A Pro - 230V AC (1L+N+PE)
External fusing
W6A - 1 x 16A
W6E - 3 x 32A
W6A Pro - 1 x 16A
Max. electrical power
W6A - 1,7 kW
W6E - 17 kW
W6A Pro - 2,5 kW
Keep in mind that this is the absolute maximum power consumption. Actual average usage will be much lower.
Underpressure range
80 - 150 Pa (min. - max.)
Default value: 110 Pa
Drum speed range
36 - 51 Hz (min. - max.)
Default value: 46 Hz
Temperature setpoint range
100 - 250 °C (min. - max.)
Default value: 200 °C

