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Espresso Machines

Learn how espresso heating systems, filter baskets, portafilter compatibility and dose measurement work together. Start with the curated learning path below, then explore the article archive.

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Pressurized vs non-pressurized portafilters

Pressurized vs non-pressurized portafilters

Learn how pressurized and non-pressurized portafilters work, how they affect espresso extraction, and which basket suits different coffee, grinders, and skill levels.

Tom Reyes Sep 10, 2026
Espresso coffee ratio explained: dose, yield and calculations

Espresso coffee ratio explained: dose, yield and calculations

An espresso brew ratio compares the mass of dry coffee in the basket with the mass of espresso collected in the cup. A 1:2 ratio means the beverage weighs twice the dry dose: 18g of grounds would produce a 36g target beverage. It does not mean pouring 36g of water into the machine.

Emma Carter Sep 10, 2026
Single boiler vs dual boiler: key differences

Single boiler vs dual boiler: key differences

Learn how single-boiler and dual-boiler espresso machines differ, including heating behavior, steaming, temperature control, workflow, maintenance, cost, and who should choose each design.

Emma Carter Sep 10, 2026
Best Lever Espresso Machine Guide

Best Lever Espresso Machine Guide

Compare top lever espresso machines from La Pavoni and Flair. Evaluate boiler capacity, manual pressure profiling, portability, and brew workflow.

Daniel Whitfield Sep 1, 2026
Easiest espresso machine to clean

Easiest espresso machine to clean

Compare the easiest espresso machines to clean based on brew group access, steam wand maintenance, and dishwasher compatibility.

Daniel Whitfield Sep 1, 2026