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Ascaso Steel Duo Espresso Machine

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As low as $1,725
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Featuring a stylish modern design and smart features for new and experienced espresso users, the Ascaso Steel Duo is a great way to brew your espresso and froth milk at home. With PID controlled temperatures and dual thermoblock heating you can be sure that the Steel Duo will heat up fast and accurately, and offer strong temp stability through brewing. The PID Control display can even be used to set pre-infusion, program shot length, and as a shot timer. Extra bonus features like an adjustable OPV valve and extra portafiliter baskets round out this machine’s excellent feature set. Bring home an Ascaso Steel Duo today and get brewing like a cafe barista with your favorite espresso beans!

  • Skill Level

    Beginner: Simple controls and forgiving pressurized baskets help new users brew better.

    Intermediate: For the daily barista looking for finer shot controls and higher machine quality.

    Expert: For the espresso enthusiast who needs premium components and cutting-edge brew features.

  • Programming

    Manual: Manual dosing and steaming puts drink quality in your hands.

    Moderate: Espresso programming adds consistency to every drink you make.

    Automatic: Automated brewing and steaming make espresso even easier.

  • Size

    Compact: 8" Width or less

    Mid-Size: 8-12" Width

    Full-Size: 12" Width or more

  • Temp Control

    Single Boiler: A single boiler handles both brewing and steaming.

    Double Boiler: Dedicated brew and steam boilers allow for increased consistency.

    Thermoblock: A quick-heating boiler alternative for faster warm-up times.

    Heat Exchanger: Flash-heated brew water and a large steam boiler lets you brew and steam simultaneously.

    Boiler+Thermoblock: A traditional boiler for brewing with a thermoblock for instant steaming.

    Double Thermoblock: Two dedicated thermoblocks offer instant brewing and steaming.

    Double Thermoblock
  • Dual Thermoblocks: Dedicated thermoblocks allow side-by-side brewing and steaming.
  • PID Temperature Control: Set and adjust your selected brew temperature and offset on the fly.
  • Electronic Brew Options: The PID also includes controls for preinfusion, dwell time, and doubles as a shot timer during brewing.
  • Volumetric Shot Programming: Single and double shots can be programmed by volume instead of time.
  • Spanish Design: The Steel Duo comes equipped with wood furniture and is availabe in stainless steel or powdercoated black or white colors.
  • Built in Barcelona: Each Steel Duo is built by hand in Barcelona, Spain.
    • Pros
      • Modern Classic: The Steel Duo brings the classic, industrial design of earlier semi-autos with all the modern technology you could ask for inside.
      • Steady As She Goes: Once set up, the Steel Duo offers incredibly consistent, repeatable, and quality espresso.
    • Cons
      • Steam Power: The Steel Duo's dual thermoblock design requires a NEMA 5-20 amp plug and circuit.

About Ascaso

Founded in 1962 by Jesus Ascaso, Ascaso has garnered acclaim for their high-performing espresso hardware. Combining retro style with functional engineering, Ascaso espresso machines optimize all aspects of production to craft great-tasting espresso in a matter of seconds. If you’re looking for a genuine Spanish espresso maker, Ascaso is a great choice.Check out our line of Ascaso espresso machines here at Seattle Coffee Gear Today!

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  • Manufacturer
  • Skill Level
  • Width
    10.5 inches
  • Depth
    12.5 inches
  • Height
    15 inches
  • Watts
    2100 W
  • Volts
    120 V
  • Cup Clearance
    3.5 inches
  • Reservoir Size
    60 oz
  • Solenoid Valve
  • Cup Tray
  • Portafilter Size
  • Warm Up: Brew Time
  • Boiler Design
  • Certified to NSF/ANSI Standards
  • Pod Friendly
    Yes - without adaptation
  • Water Sources
    Reservoir/Internal Tank
  • Auto Shut Off
  • Auto On
  • Pre-Infusion/Aroma
  • Material
    Metal and Plastic

Warranty Information

What it Covers: Ascaso Machines and Grinders

Length: 1 year parts and labor

Who Supports the Warranty: Seattle Coffee Gear

Warranty Contact Information: 866-372-4734 or email us at

Notes: Read more about Seattle Coffee Gear's Warranty coverage.

Can SCG Repair? Yes, Machines Only read more about our repair services

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Customer Rating
92% of 100
82% of 100
94% of 100
As low as $1,195
As low as $1,335
As low as $1,435
Auto On No No No
Auto Shut Off No Yes Yes
Boiler Design Single Boiler Thermoblock Thermoblock
Boiler Material Brass Stainless Steel-lined Aluminum
Boiler Volume 0.3L
Cup Clearance 3 inches 3 inches 3 inches
Cup Tray Yes Yes Yes
Depth 11.0 inches 13.5 inches with portafilter 15.5 inches
Height 13.5 inches 13.5 inches 15.5 inches
Portafilter Size 58mm 58mm 58mm
Programmability PID, Pre-infusion, Shot Time PID, Pre-infusion, Shot Time
Reservoir Size 2L 48 ounces 48 Ounces
Solenoid Valve Yes Yes Yes
Warm Up: Brew Time 3:30 3:41 3:38
Water Sources Reservoir/Internal Tank Reservoir/Internal Tank Reservoir/Internal Tank
Width 9.5 inches 10 inches 11.25 inches
Questions & Answers