As of 2015, some popular affordable brands of cappuccino machines, also known as steam espresso machines, are Mr. Coffee, Krups, DeLonghi and Melitta, according to Amazon's list of best-selling steam espresso machines. Popular higher-end brands include Breville, Quick Mill, Gaggia and Solis.
The most affordable and popular machines generally retail for under $100, such as Mr. Coffee's ECM160 4-Cup Steam Espresso Machine. This model is currently Amazon's best seller among steam espresso machines. It brews 1 to 4 cups and has a removable milk frother. Mr. Coffee's ECM20 Steam Espresso Maker is also one of Amazon's top-10 sellers.
Other best-selling affordable espresso machines include the KRUPS XP1000 and XP1020, DeLonghi EC5, Melitta MEX1B and the Capresso Steam Pro. Most of the units in this price range make a maximum of 4 cups at a time.
High-end models typically retail for about $300 to $1200. Amazon's current best-seller in this price range is the Breville BES920XL Dual Boiler Espresso Machine. This machine has dual stainless steel boilers, dual pumps for simultaneous espresso extraction and steaming, and electronic PID water temperature control. It is among the more expensive units for home use, however, at about $1,300 new. It is also not rated or designed for commercial use.