
Swiss Water vs Sugarcane (EA) vs CO2 Decaf: Which Process Is Best for Espresso?
Swiss Water, sugarcane EA, and CO2 decaf all pull excellent espresso — but they taste different. Here's how each process works and which to pick for your flavor goals.
Independent reviews of espresso machines, grinders, beans, and accessories for people who want better decaf shots at home.
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Start with the standouts: a budget AMZCHEF pick that is already helping readers, plus proven upgrade machines for serious home espresso.
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Premium
Delivers third-wave specialty coffee using Breville's four-keys formula with an integrated conical burr grinder, low-pressure pre-infusion, and PID temperature control. The ThermoJet heating system reaches brew temperature in about 3 seconds, and the automatic steam wand plus touchscreen workflow makes milk drinks easy.
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Mid-Range
A modern update of an Italian classic, housed in solid steel and made in Italy. It delivers 9-bar extractions through a 58mm commercial portafilter, plus a three-way solenoid valve and commercial steam wand for manual milk texturing.
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Budget
A compact machine using an Italian 20-bar pump for crema-focused extraction. It offers PID temperature control, fast preheat, and a 360-degree rotating stainless steel steam wand for milk frothing.
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High-End
The dual boiler powerhouse that brings commercial stability to your kitchen. Features PID control, pressure gauge, and soft infusion.
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Latest brewing guides and gear reviews.

Swiss Water, sugarcane EA, and CO2 decaf all pull excellent espresso — but they taste different. Here's how each process works and which to pick for your flavor goals.

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