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Specialty roasters

W15E

The Giesen W15E is a groundbreaking innovation developed to redefine the electric coffee roasting landscape. Designed for medium-sized enterprises, the W15E seamlessly blends efficiency, precision, and sustainability, ensuring your roasting process is both environmentally friendly and exceptionally consistent.

  • Full control over convection and conduction
  • 100% electric
  • Fully customizable
top view of black W15E roaster
Giesen W6 series.

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.

W6seriesRender
Power and precision.

Next-level heating technology

The W15E's heating system combines hot air convection and infrared panels. This dual approach offers precise control over the roasting process, allowing you to fine-tune both conduction and convection to craft distinctive flavor profiles. By eliminating gas dependency, the W15E not only reduces emissions but also ensures compliance with evolving environmental regulations.

black W15E roaster viewed from below
Advanced but accessible.

User-friendly controls

To best control both of its heating systems, the W15E is fully integrated into Giesen Profiler.  Whether you're experimenting with new roast profiles or automating established ones, the W15E provides the tools necessary for both novices and seasoned professionals to achieve consistent, high-quality results.

side view of a black W15E roaster
General specifications

Measurements
1899 x 962 x 1983 mm

Weight
684 kg (roaster only)

Minimum batch size
7,5 kg

Maximum batch size
15 kg

Sound level
70 dB (A)

Chimney diameter
Ø 200 mm

Ranges

Underpressure range
80 - 150 Pa
(110 Pa default)

Drum speed range
34 - 49 Hz
(44 Hz default)

Temperature setpoint range
100 - 250 °C
(200 °C default)

Certifications

Standard certifications
CE 

Optional certifications
UL 
AGA 

Optional additions

Giesen Profiler

Destoner

Coffee Conveyor

External Cyclone

SFE filter

Catalytic Emission Cleaner

Support router

Electrical specifications

Supply voltage
400V AC 

External fusing
3 x 63A

Power consumption
4,7 kW / batch*
32 kW max

*The average is based on 4 roasts of 12 minutes and 50 seconds each, Brazil Yellow Bourbon coffee with a final bean temperature of 200 degrees Celsius. Different coffee, temperatures and settings can lead to different results.

The serious stuff.

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!

Temperature control

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.

Airflow control

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.

Drumspeed control Giesen roasters feature adjustable drum speed control, empowering you to perfect your roasting process. By modifying the drum's revolutions per minute (RPM), you can balance conductive and convective heat transfer, ensuring uniform bean development.
General specifications

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)

Electrical specifications

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.

Ranges

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