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COWSAR Dual Boiler Espresso Machine with Grinder - 20 Bar Espresso Maker with Milk Frother, Commercial Grade, Brushed Stainless Steel

6

$631.59

In stock

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  • Dual boiler system lets you brew and steam simultaneously for faster drinks.
  • Built-in grinder ensures fresh, perfectly ground coffee for every shot.
  • 20 bar professional pressure extracts full flavor and rich crema.
  • Powerful milk frother creates silky microfoam for lattes and cappuccinos.
  • Removable water tank makes refilling and cleaning quick and easy.

What Works

  • ✓Dual boiler enables simultaneous brewing and steaming.
  • ✓PID temperature control with 1°F adjustments for precise extraction.
  • ✓Pressure gauge aids in dialing in shots.

What Doesn't

  • ✗Integrated grinder has inconsistent coarseness settings that drift over time.
  • ✗30-day return policy only for unused product in original box.
  • ✗No deep-cleaning program; descaling may not resolve blockages.

Category espresso-machines

Brand COWSAR

6.5/10

Our Score

Best For

Home baristas wanting dual boiler features under $700Users who prefer all-in-one convenienceExperimenters who enjoy manual controlThose who prioritize strong steam performance

COWSAR Dual Boiler Espresso Machine with Grinder Review — Review

The COWSAR Dual Boiler Espresso Machine with Grinder aims to bring professional espresso capabilities to the home kitchen. Priced at $631.59, it offers a dual boiler system for simultaneous brewing and steaming, an integrated conical burr grinder, and PID temperature control. Designed for experienced users who want to craft café-quality lattes, cappuccinos, and flat whites, this machine packs features typically found on higher-end models. However, early user reviews highlight both promise and pitfalls, especially regarding grinder consistency. This review examines its build, performance, and overall value to help you decide if it fits your espresso routine.

Product Overview

The COWSAR machine is a semi-automatic espresso maker with a brushed stainless steel exterior that looks at home on any countertop. It measures 13.78 x 12.05 x 13.78 inches and weighs 20.57 pounds, making it a substantial but manageable appliance. The included components—cleaning brush, milk jug, filter, milk frother, and tamper—cover the essentials for getting started. Its dual boiler system enables independent temperature control for brewing and steaming, a feature usually reserved for machines costing twice as much. The PID controller allows adjustments in 1°F increments within the ideal 195–204°F range, and a pressure gauge lets you monitor extraction in real time. An LED display shows extraction time and offers programming for pre-infusion, bloom, and brew temperature. The integrated grinder has adjustable coarseness settings, though reviewers report that these settings can drift over time, requiring frequent recalibration. The water tank is removable, and a cup warmer on top adds convenience. For milk drinks, the steam wand produces microfoam suitable for latte art. While the machine is not smart-home compatible, its manual mode gives users full control over the espresso process. The 30-day return policy and lack of a deep-cleaning program are notable drawbacks mentioned by some buyers.

Key Features

Dual Boiler System

  • ✓Separate boilers for brewing and steaming allow simultaneous operation.
  • ✓Stable temperatures and pressures reduce wait times between shots and milk steaming.
  • ✓Ideal for making multiple milk-based drinks in succession.

Integrated Conical Burr Grinder

  • ✓Built-in grinder with adjustable coarseness settings for fresh grounds.
  • ✓Reviewers note the settings can drift, requiring frequent readjustment.
  • ✓Using an external grinder may yield more consistent results.

PID Temperature Control

  • ✓Precise temperature regulation within 1°F increments between 195°F and 204°F.
  • ✓Ensures stable brewing conditions for extracting robust flavors.
  • ✓Customizable profiles for different coffee beans.

Pressure Gauge and LED Display

  • ✓Real-time pressure monitoring during extraction helps dial in shots.
  • ✓LED display shows extraction time and allows programming of brew parameters.
  • ✓Gauge feedback aids in diagnosing under- or over-extraction.

Custom Mode for Advanced Control

  • ✓Manual mode with fine-tune options for pre-infusion, bloom, and brew temperature.
  • ✓Programmable settings let users save preferred profiles.
  • ✓Tailored control for experienced baristas seeking specific flavor profiles.

Milk Frothing Capability

  • ✓Steam wand produces microfoam suitable for latte art.
  • ✓Dual boiler allows steaming while brewing, improving workflow.
  • ✓Includes a milk jug for convenience.

Build & Materials

The COWSAR machine is constructed with a brushed stainless steel body that feels solid and resists fingerprints. Its dual boiler system is housed in a compact footprint, with a removable water tank accessible from the rear. The integrated grinder sits on top, with a hopper for whole beans and a dose adjustment dial. The steam wand is articulated and features a rubberized tip for comfort. All buttons and the LED display are clearly labeled, and the drip tray is removable for easy cleaning. The included tamper and milk jug match the overall aesthetic. While the build quality appears good for the price point, the grinder mechanism has drawn criticism for inconsistent performance over time.

Pros and Cons

What Works

  • ✓Dual boiler enables simultaneous brewing and steaming.
  • ✓PID temperature control with 1°F adjustments for precise extraction.
  • ✓Pressure gauge aids in dialing in shots.
  • ✓Customizable pre-infusion and brew profiles.
  • ✓Well-built brushed stainless steel design.
  • ✓Steam wand produces good microfoam.
  • ✓Includes essential accessories (tamper, milk jug, cleaning brush).

What Doesn't

  • ✗Integrated grinder has inconsistent coarseness settings that drift over time.
  • ✗30-day return policy only for unused product in original box.
  • ✗No deep-cleaning program; descaling may not resolve blockages.
  • ✗Water spout placement makes filling standard mugs awkward.
  • ✗Grinder adjustments needed frequently, wasting coffee.
  • ✗Flavor good but not exceptional according to some reviewers.
  • ✗Settings appear to wander without dial movement.

The Verdict

6.5

The COWSAR Dual Boiler Espresso Machine offers impressive features for its price: a true dual boiler, PID control, and a pressure gauge. These elements can produce excellent espresso when dialed in. However, the integrated grinder's inconsistency is a significant flaw that forces users to either accept frequent adjustments or invest in an external grinder. The 30-day return policy and lack of deep cleaning are additional concerns. If you are willing to pair it with a quality standalone grinder and can work around the grinder issues, it provides good value. Otherwise, established alternatives from Breville or DeLonghi may offer a more reliable experience.

Who Is This For?

Home baristas wanting dual boiler features under $700

This machine offers dual boiler and PID control typically found in higher-priced models, making it attractive for budget-conscious espresso enthusiasts.

Users who prefer all-in-one convenience

The integrated grinder and included accessories reduce the need for separate purchases, appealing to those who want a complete setup out of the box.

Experimenters who enjoy manual control

Customizable pre-infusion, bloom, and temperature settings allow for experimentation and fine-tuning of espresso recipes.

Those who prioritize strong steam performance

The dual boiler enables simultaneous brewing and steaming, making it efficient for milk-based drinks.

Price vs Value

What You Get

  • Dual boiler system for simultaneous brew and steam
  • PID temperature control with 1°F precision
  • Integrated conical burr grinder
  • Pressure gauge and programmable settings
  • Stainless steel build and included accessories

What You Pay

$631.59

The COWSAR offers strong value for the feature set, especially the dual boiler and PID. However, the grinder inconsistency and short return policy reduce its overall worth. If you factor in the cost of an external grinder, a more reliable all-in-one like a Breville might be a better investment.

Frequently Asked Questions

How does the dual boiler system work?
The machine has two separate boilers: one for brewing espresso and one for steaming milk. This allows you to brew and steam at the same time without temperature fluctuations, and each boiler can be controlled independently via PID.
Is the integrated grinder reliable?
Many users have reported that the grinder's coarseness settings drift over time, requiring frequent adjustments. Some have found it inconsistent and recommend using an external grinder for better results.
What is the water tank capacity?
The product specifications list a capacity of 5.9 pounds, which likely refers to the water tank capacity, but it is not explicitly stated. The tank is removable for easy filling.
How do I descale the machine?
The machine does not have a dedicated deep-cleaning program. Reviewers suggest using a vinegar solution for descaling, but caution that it may not clear blockages if the grinder causes issues. Refer to the manual for guidance.
Does it come with a warranty?
The product information does not specify a warranty length. Amazon's standard policies apply. The return policy is 30 days for unused products in original packaging.

(3) Comments

Impressive Start, Minor Missing Part
Arrived yesterday and used it today. Build quality seems excellent. Made two double shots of espresso that tasted great. No complaints so far. The grinder works well, and the pressure gauge appears accurate. Time will tell on durability. However, the box was missing a filter that was supposed to be included.
Disappointed with Breville Espresso Machine After Short Use
After only two months, the machine no longer produces strong enough espresso even at the coarsest setting. There's no deep cleaning cycle, only descaling with vinegar, which doesn't help since I have soft water. The 30-day refund policy only applies to unused products, making it impossible to test without risk. The water spout is poorly placed, requiring tilting of a standard mug. The grind settings drift unpredictably, needing weekly adjustments. Flavor is decent but not exceptional. Overall, not worth the price.
Inconsistent grinder makes it unreliable; external grinder recommended
This machine has great potential and is well-designed overall, but the grinder is highly inconsistent. Throughout the day, I might need to adjust settings, but by the next morning, the grind changes drastically without any adjustments. This leads to over-pressuring or shots that are too coarse, wasting a lot of espresso and causing frustration.

Product Specifications

Model Name Espresso Machine with Grinder
Brand COWSAR
Coffee Maker Type Espresso Machine
Operation Mode Semi-Automatic
Coffee Input Type Beans
Wattage 1450 watts
Voltage 120 Volts
Display Type LED display
Human Interface Input Buttons
Item Dimensions (D x W x H) 13.78" x 12.05" x 13.78"
Item Weight 20.57 Pounds
Capacity 5.9 Pounds
Number of Items 1
Included Components Cleaning brush, Milk jug, Filter, Milk Frother, Tamper
Specific Uses Americano, Cappuccino, Espresso, Latte, Mocha
Recommended Uses Camping, Dormitory, Office, Traveling
Other Special Features Cup Warmer, Integrated Coffee Grinder, Milk Frother, Programmable, Removable Tank
Smart Home Compatibility Not Smart Home Compatible
Power Source AC

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