Skip to content
Specialty roaster

W1E

The Giesen W1E is a compact yet powerful electric coffee roaster designed for small-scale operations, specialty coffee shops, and passionate home roasters. This electric-powered model combines traditional craftsmanship with advanced technology, offering precise control over the roasting process. ​​

  • Small batches, full control
  • Plug-and-play simplicity
  • Fully customizable
Black W1E roaster top view
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
Small but mighty.

Precision roasting for small batches

The Giesen W1E delivers professional-grade roasting in a compact, electric-powered design. Handling batches from 750g to 1.5kg, it offers unmatched precision for specialty and sample roasting. With full control over airflow, drum speed, and heat, it ensures consistency and repeatability—ideal for coffee labs, micro-roasters, and cafés looking to perfect their craft.
Black W1E roaster viewed from below
For every roastery.

Versatile and reliable

Its small footprint makes it perfect for limited spaces, while customizable options let you tailor its look to your brand. Whether for quality control or small-batch production, the W1E is built to elevate your roasting game.
Side view of a Black W1E roaster
General specifications

Measurements
1325 x 637 x 957 mm

Weight
217 kg (roaster only)

Minimum batch size
750 grams

Maximum batch size
1,5 kg

Sound level
70 dB (A)

Chimney diameter
Ø 80 mm

Ranges

Underpressure range
80 - 150 Pa

Drum speed range
45 - 60 Hz

Temperature setpoint range
100 - 250 °C

Certfications

Standard certifications
CE 

Electrical specifications

Supply voltage
400V AC 

External fusing
1 x 16A

Maximum electrical power
7,2 kW

Optional additions

Giesen Profiler

Presentation table

SFE filter

Support router

Double-readout sensor

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