COWSAR 20 Bar Espresso Machine with Grinder & Milk Frother, 58mm Commercial Stainless Steel Coffee Maker for Cappuccino Latte, Dual Boiler Home Café
$499.99
In stock
- Dual boiler system lets you brew and steam simultaneously for faster latte preparation.
- Built-in conical burr grinder ensures freshly ground beans for peak espresso flavor.
- 20-bar professional pressure extracts rich, creamy crema from every shot.
- Commercial-grade stainless steel construction offers lasting durability and sleek style.
- Powerful steam wand creates microfoam for café-quality cappuccinos and lattes at home.
Our Score
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COWSAR 20 Bar Espresso Machine Review — Dual Boiler with Grinder & Review
The COWSAR 20 Bar Espresso Machine is an all-in-one home espresso solution that combines a dual boiler system, a built-in conical burr grinder, and a powerful steam wand into a single stainless steel unit. Designed for both beginners and experienced home baristas, it offers precise control over brewing parameters with PID temperature control, an adjustable grinder, and a real-time pressure gauge. Priced at $499.99, it aims to deliver café-quality espresso, cappuccinos, and lattes without the need for separate equipment. With a 4.5-star average from 247 reviews, it has garnered praise for its value and performance, though some users note a learning curve. The machine’s dual boiler allows simultaneous brewing and steaming, and its 20-bar pressure ensures proper extraction. This review covers design, performance, features, and overall value to help you decide if it fits your coffee routine.
Product Overview
The COWSAR espresso machine is a self-contained unit that includes a grinder, milk frother, and all necessary accessories, making it an attractive option for those looking to declutter their countertop. The dual boiler system is a standout feature, allowing you to brew espresso and steam milk at the same time without temperature fluctuations. The built-in grinder offers 30 adjustable settings, giving you control over grind size from fine to coarse. According to the manufacturer, the machine includes a 58mm portafilter that feels substantial, along with four filter baskets: single and double wall for both single and double shots. The water tank holds 95 ounces, which reduces the need for frequent refills during multiple drink sessions. The machine operates semi-automatically, with buttons and an LED display that includes a shot timer and pressure gauge. It draws 1450 watts at 120 volts. The exterior is brushed stainless steel, and the overall dimensions are 13.78 inches deep, 12.05 inches wide, and 13.78 inches tall, weighing 20.6 pounds. The included accessories – a tamper, milk pitcher, cleaning brush, and extra baskets – add to the value. Some users reported that the single-wall filter basket is tucked behind the drip tray, a packaging quirk that might cause initial confusion. The machine is not smart home compatible and uses an AC power source. While it is not portable, it fits well under most kitchen cabinets (as confirmed by reviewers). The instruction manual covers setup and operation, but a few users found it lacking in detail for troubleshooting extraction issues.
Key Features
Dual Boiler System
- ✓Separate boilers for brewing and steaming allow simultaneous operation
- ✓Maintains stable temperature between 195°F and 204°F for consistent extraction
- ✓No waiting between shots and milk frothing, ideal for multiple drinks
Built-in Conical Burr Grinder
- ✓30 grind settings from fine to coarse for precise control
- ✓Single and double dose settings dispense approximately 8g and 16g respectively
- ✓Freshly grinds beans directly into the portafilter, reducing waste
PID Temperature Control
- ✓Digital PID controller ensures water temperature stays within optimal range
- ✓Adjustable in 1°F increments for fine-tuning extraction
- ✓Contributes to balanced flavor and consistent results shot after shot
Pressure Gauge and LED Display
- ✓Real-time pressure gauge shows extraction pressure (target green zone)
- ✓LED timer displays shot duration, helping you repeat successful pulls
- ✓Customizable settings through the display for pre-infusion, bloom, and temperature
58mm Stainless Steel Portafilter
- ✓Commercial-size 58mm portafilter for better heat retention and distribution
- ✓Includes both single and dual wall filter baskets for different grind types
- ✓Heavy-duty construction with a professional feel
Powerful Steam Wand
- ✓Produces microfoam for lattes, cappuccinos, and flat whites
- ✓Rotates 360 degrees for easy positioning
- ✓Requires purging before use to avoid watery steam, as noted by reviewers
Custom Mode and Manual Control
- ✓Manual mode lets you override automated settings for full control
- ✓Fine-tune pre-infusion and brew temperature for different coffee beans
- ✓Suitable for both beginners relying on presets and experts who want to experiment
Build & Materials
The COWSAR espresso machine is built with a brushed stainless steel exterior that gives it a commercial look while resisting fingerprints and smudges. The construction feels solid, with the machine weighing 20.6 pounds — heavy enough to stay put during use but not overly bulky. The 58mm portafilter is made of chrome-plated brass or stainless steel (likely brass based on heft) and comes with a matching tamper that reviewers describe as weighty and comfortable. The water tank is removable and has a generous 95-ounce capacity, which is a practical upgrade over smaller tanks in competing machines. The drip tray is also detachable for easy cleaning. The machine includes a cup warmer on top, though its effectiveness may vary. The grinder sits on top of the machine with a bean hopper that can hold around 5.9 pounds of beans? Actually, the capacity listed in specs is 5.9 pounds, but that might be the weight of the unit — not the hopper capacity. Reviewers note the grinder is quiet and doesn't vibrate excessively. Overall, the design prioritizes functionality and durability, with easily accessible buttons and a clear LED display. The steam wand is stainless steel and rotates fully, though it is not insulated, so care is needed when handling.
Included accessories add value: a milk frothing pitcher (stainless steel), a cleaning brush, four filter baskets (single/double wall for both single and double shots), and a tamper. The packaging of the single-wall filter basket behind the drip tray is an odd choice but not a flaw. The machine's footprint is relatively compact (13.78 inches deep and wide), fitting under standard cabinets. The instruction manual covers basic operation and maintenance, but some users wished for more detail on dialing in. Overall, the build quality is praised as commensurate with its price point, offering a premium feel without a premium price tag.
Shot Quality
The COWSAR machine performs reliably once dialed in. The dual boiler system maintains stable temperatures, resulting in consistent extractions. Users report that shots pull smoothly, with good crema when using fresh, medium-to-dark roast beans. The pressure gauge helps monitor extraction: the green zone indicates optimal pressure (around 9 bar). Many reviewers found that a grind setting between 10 and 16 works well, depending on bean freshness and desired flow. A typical shot takes about 25 seconds to yield a double espresso. The PID controller ensures temperature stability, and the ability to adjust pre-infusion and brew temperature in 1°F increments allows for fine-tuning. However, there is a learning curve: one negative review mentioned that despite adjustments, the pressure gauge never entered the green zone, leading to dark, syrupy shots. This could be due to a machine defect or user error, but it's worth noting.
The steam wand is powerful enough to create silky microfoam, but it requires practice. Users recommend letting the machine preheat fully and purging the wand before steaming to avoid watered-down milk. The steaming process is a bit slower than high-end commercial machines but adequate for home use. The machine's 1450-watt heating element ensures quick recovery between shots and steaming. Overall, the performance delivers on its promise of café-quality espresso at home, provided you invest some time in dialing in the grind and tamp. The all-in-one configuration saves counter space and simplifies workflow, making it a strong contender in the sub-$500 segment.
Pros and Cons
What Works
- ✓Dual boiler allows simultaneous brewing and steaming
- ✓Built-in grinder with 30 settings for precise grind control
- ✓PID temperature control ensures consistent extraction
- ✓Real-time pressure gauge and shot timer for monitoring
- ✓58mm commercial-size portafilter and tamper feel premium
- ✓Large 95 oz water tank reduces refilling frequency
- ✓Includes all essential accessories (pitcher, cleaning tools, extra baskets)
- ✓Good value compared to similar machines like Breville Barista Express
What Doesn't
- ✗Learning curve for dialing in grind and tamp pressure
- ✗Steam wand requires purging to avoid watery steam
- ✗Instruction manual lacks detailed troubleshooting for extraction issues
- ✗Single-wall filter basket hidden in packaging (may confuse initially)
- ✗One reviewer reported inability to reach optimal pressure zone
- ✗Machine may be too bulky for very small counters
The Verdict
The COWSAR 20 Bar Espresso Machine offers an impressive combination of features at an affordable price. Its dual boiler system is a rarity in this price range, enabling simultaneous brewing and steaming that speeds up your morning routine. The built-in grinder is convenient, though it requires some experimentation to dial in. The PID temperature control and pressure gauge provide the feedback needed to improve your shots over time. While there is a learning curve—especially for beginners—the machine rewards patience with consistently good espresso and microfoam. Considering the included accessories and build quality, it represents strong value. We rate it 8 out of 10 for home baristas seeking an all-in-one solution.
Who Is This For?
Home baristas wanting an all-in-one setup
Combines grinder, espresso machine, and frother into one unit, saving counter space and cost.
Beginners who plan to learn espresso skills
Offers manual control and adjustments without being overwhelming; many reviewers started their espresso journey with this machine.
Those who make multiple milk-based drinks daily
Dual boiler allows consecutive drinks without waiting; large water tank supports high-volume use.
Coffee lovers on a budget who want premium features
At $499.99, it undercuts many dual-boiler competitors while including a grinder and PID.
Frequently Asked Questions
How do I adjust the grind size on the COWSAR espresso machine?
What kind of coffee beans should I use?
How do I steam milk with this machine?
Is the single-wall filter basket included?
How do I clean the machine?
Does the machine fit under standard kitchen cabinets?
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Product Specifications
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