Recently re-engineered, Ascaso's Duo series is designed to give you a little bit more power than a traditional single boiler at a portion of the cost of a heat exchange or double boiler. With a semi-automatic version or programmable/automatic version available, the Duos feature a brew boiler, thermoblock for steaming and two separate pumps so that you can theoretically brew and steam at the same time. We have noticed that the steaming function is not as strong as you find on machines that have a steam boiler to back it up, and also that the Duos do not have a PID on the brew boiler, so you still have to temperature surf to be certain of where your temperature is at in the heating cycle. Watch Gail show us the internals of a Duo, temperature surf and pull a couple of comparison shots.
Ascaso Duo Series Specs
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Kat is a passionate coffee enthusiast and seasoned blogger. Read her posts for insights on brew methods, coffee recipes, and machine reviews.