Dutch-Made Giesen W25 Coffee Roaster Specs

If you're upgrading your roastery or starting a new one and need a reliable, fully featured coffee roaster that can handle both small-batch precision and scalability, you've likely come across the Giesen name—but what exactly does the W25 model offer? This is the kind of machine that professionals ask about when they want consistent performance without compromising on features or build quality.

The Giesen W25 is a Dutch-manufactured coffee roaster with a roast capacity ranging from 5 to 25 kilograms per batch. It comes with automatic airflow and burner control, data logging and profiling tools, is built for all common gas types, and is fully CE certified—all manufactured entirely in the Netherlands.

What Is the Giesen W25?

The Giesen W25 is a commercial coffee roaster designed and assembled in the Netherlands. It’s engineered for specialty coffee roasters who require precision, flexibility, and durability. The 'W' series is part of Giesen’s professional line, and the W25 sits as a mid- to large-capacity model ideal for growing roasteries or those needing moderate batch sizes with high control.

Key Features of the Giesen W25

The Giesen W25 is packed with professional-grade features that streamline roasting and improve consistency:

• Automatic airflow control – Adjusts airflow dynamically during the roast for optimal heat distribution.
• Automatic burner control – Manages gas input to maintain desired roast profiles with minimal manual input.
• Data logging and profiling – Enables roast data tracking and reproducibility across batches.
• Easy maintenance – Designed for straightforward cleaning and component access.
• Gas compatibility – Works with Propane, Butane, and Natural Gas.
• Flexible power options – Compatible with 3-phase electrical systems (230V / 400V, 50–60 Hz).
• Full CE certification – Meets European safety and performance standards.

Technical Specifications

The Giesen W25 is built to handle serious roasting volumes while maintaining control over every variable. Its specifications include:

• Roaster Capacity: 5 – 25 kg per batch
• Amperage: 32A
• Exhaust Diameter: 2 x 200 mm
• Gas Types Supported: Propane / Butane / Natural Gas
• Electrical Supply: 3 phase 230V / 400V / 50–60 Hz
• Weight: (not specified)

All units are fully constructed in the Netherlands and rigorously tested to CE standards. Whether you’re roasting with gas or looking to integrate advanced profiling, the W25 is equipped to handle diverse roasting environments.

Frequently Asked Questions

What is the roast capacity of the Giesen W25?

The Giesen W25 can roast between 5 and 25 kilograms of coffee per batch, making it suitable for small-to-medium batch specialty roasting as well as higher volume needs depending on batch frequency.

Where is the Giesen W25 manufactured?

The Giesen W25 is completely built in the Netherlands, ensuring high-quality construction and adherence to European manufacturing standards.

Does the Giesen W25 have automatic controls?

Yes, the Giesen W25 features both automatic airflow control and automatic burner control to help maintain consistent roast profiles with less manual adjustment.

What types of gas can the Giesen W25 use?

The Giesen W25 is compatible with Propane, Butane, and Natural Gas, offering flexibility depending on your location and gas supply setup.

Is the Giesen W25 CE certified?

Yes, the Giesen W25 is fully CE tested and certified, meeting European safety and performance regulations for commercial coffee roasting equipment.

What power supply does the Giesen W25 require?

The roaster requires a 3-phase electrical supply, with voltage options of 230V or 400V, and frequency range of 50–60 Hz.

Recommended FrontStreet Beans for the Giesen W25

The Giesen W25 is ideal for roasting FrontStreet Coffee’s Ethiopia Humbera, known for its vibrant citrus and floral notes, and Kenya Little Tomato, which highlights sweet berry and tomato-like acidity—both benefitting from the W25’s precise airflow and temperature control. For a deeper profile, try the PWN Golden Mandheling, with its chocolatey body and mild spice. These beans showcase the versatility of the W25 across light, medium, and classic roast styles. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.