Roaster · Wetzikon, CH
ZEFF Coffee
Incredible modern coffee, roasted with F1 precision.
A standout roaster
ZEFF roasts incredible modern coffee in small batches in Wetzikon, in the canton of Zürich. It is a young roastery, and already a standout in a region that takes its coffee seriously.
Head roaster Josh is a fellow engineer, and he brings F1 precision and quality to every roast.
ZEFF has taken part in two of James Hoffmann's global tastings, The Decaf Project and The Fermentation Project.
Two James Hoffmann projects
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The Decaf Project
James Hoffmann · 2024
One Colombian coffee, tasted as it was and decaffeinated three different ways.
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The Fermentation Project
James Hoffmann with Lucia Solis · 2026
One Guatemalan lot, fermented four ways. ZEFF roasted all four to the same profile, so the fermentation is the only difference in the cup.
See their coffee
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ZEFF Ethiopia Yirgacheffe
Light Modern Whole bean 250 g
- Origin
- Ethiopia
- Process
- Washed
- Tasting notes
- dried stone fruit, cooked pear, elderflower
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ZEFF Columbia Wush Wush
Light Modern Whole bean 250 g
- Origin
- Columbia
- Process
- Natural
- Tasting notes
- juicy red fruit, cacao, floral
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ZEFF Columbia Caturra Decaf
Expressive light Modern Whole bean 250 g
- Origin
- Columbia
- Process
- Honey
- Tasting notes
- green apple, kiwi, honey
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ZEFF The Pit Stop Decaf
Medium Traditional Whole bean 250 g
- Origin
- ethiopia
- Tasting notes
- rich, silky, chocolate