










Mazzer Kold S Electronic Coffee Grinder - On Demand - 71mm Burrs
Advanced Thermal Control for High-Volume Coffee Service
Designed for high-volume coffee shops that demand both speed and thermal stability, the Mazzer Kold S Electronic Grinder is a powerhouse of Italian engineering. It is specifically built to protect the delicate profile of your beans by keeping grounds cool through a unique b elt-driven transmission, low RPM, and a double fan cooling system. By isolating the motor's heat from the grinding chamber, the Kold S ensures that even during peak service hours, your coffee preserves its full flavour and aroma without the risk of overheating.
Advanced Grind Flow Control with Intelligent Dose Accuracy
This sleek, Venice-made Mazzer grinder combines high performance with a cutting-edge digital experience. It features an intuitive, 19-language control panel that allows for dose precision to a hundredth of a second and offers IoT connectivity for remote monitoring of your shop's output and maintenance needs. With its high-precision micrometrical adjustment and Grind Flow Control system to eliminate clumping, the Kold S offers the ultimate balance of consistency and modern convenience for the professional barista.
Included with the Mazzer Kony S:
-
Free! Standard 2-3 Days Delivery (Worth £95)
- Out of stock colours take 6-12 weeks from factory after ordering.
-
Payment is needed upfront for any pre-orders.
-
Free! 2 year Manufacturers Warranty for Consumer Items.
Features

Advanced Cooling System: Engineered to "keep it cool" and preserve the coffee’s natural aroma. This is achieved through a belt-driven transmission that isolates motor heat from the grinding chamber, a double fan system, and a low-speed motor (420 rpm at 50Hz).

Italian-Made Conical Burrs: Features 71mm conical burrs that are 100% designed and manufactured in Venice by Mazzer for premium quality and longevity.

High-Volume Output: Purpose-built for high-traffic coffee shops, delivering an impressive average grinding speed of 5g per second at 50Hz.
![]()
Grind Flow Control (GFC): An innovative system that reduces electrostatic charge to prevent mess on the counter. It features a removable aluminium outlet insert with three interchangeable wire dampers: AntiClumping, AntiDust, and Hybrid, to ensure perfectly uniform grounds.

Micrometrical Precision: Includes a high-precision adjustment knob with a lap counter, allowing baristas to precisely identify and return to specific grind settings.

Minimal Retention: Designed as a low-retention grinder to save time and reduce coffee waste whenever you adjust your settings.

IoT & Cloud Connectivity: Features a built-in internet-connectable platform that allows owners and roasters to remotely monitor output, track maintenance needs, and view daily statistics.

Ergonomic Control Panel: Equipped with a wide-angle electronic display (viewing angle >160°) available in 19 languages. It allows for programmable single, double, and triple doses adjustable to a hundredth of a second.
- Use: on demand
- Version: electronic
- Power: 800 watt
- Grinding adjustment: Micrometric grind adjustment
- Burrs: conical
- Diameter standard burrs: 186C, Ø 71 mm - 2¾ inches
- Weight: 30 kg (66 lbs)
- RPM: 420 rpm @50Hz | 500 rpm @60Hz
- Body: aluminum die casting
- Hopper capacity: 1.5 kg (3.3 lbs)
- GFC: regolatori di flusso: Hybrid | AntiClumping | AntiDust
- Cooling system: Belt-driven transmission, Double fan cooling system and Split chassis
- Output: high
- Extraction method: espresso
- Recordable time settings: 3

Mazzer Kold S Electronic vs. Automatic – Which is Right for Your UK Café?
If you’re running a high-volume speciality coffee shop in the UK, you’ll know that the Mazzer Kold S is the undisputed heavyweight champion of the grinding world. Engineered to handle the morning rush without breaking a sweat (or overheating your beans), it’s a masterclass in Italian engineering.

But when it’s time to invest in the best high-volume commercial coffee grinder UK available, you’re faced with a choice: Electronic or Automatic? While they share the same DNA, the workflow on your bar will feel completely different. Here is the breakdown for the UK market.
| Kold S Electronic | Kold S Automatic | |
|---|---|---|
| Dosing Method | On-Demand (Direct to portafilter) | Doser Chamber (Manual lever) |
| Operation | Grinds only when triggered | Grinds to keep the chamber full |
| Interface | Digital touch display | Simple power switch/doser lever |
| Customization | 3 programmable timed doses | Manual portioning via lever |
| Retention | Very Low (Grinds fresh for every shot) | Higher (Grounds sit in the chamber) |
The Kold S Electronic: Precision for the Modern UK Brew
The Kold S Electronic is the "on-demand" version of this formidable grinder. It’s designed for the barista who treats every gram with respect, making it a strong contender in any Mazzer Kold S review for busy cafés focused on quality.

-
Freshness First: It grinds directly into the portafilter only when you need it. This ensures the volatile aromatics stay in the cup, not in a storage chamber, leading to superior espresso flavour. This is key for shops prioritising freshness and minimising waste.
-
Tech-Forward: It features a sleek digital display, allowing you to program three different doses to a hundredth of a second. This on-demand vs doser coffee grinder debate often swings in favour of the Electronic for precision.
-
Connectivity: With built-in IoT features, you can track your dose counts and burr life via an app—perfect for multi-site owners looking for consistency across the board.
Best for: Speciality coffee shops, boutique eateries, and high-end hotels in the UK where quality, precision, and minimizing waste are the top priorities.
The Kold S Automatic: Speed for the High-Street Rush
The Kold S Automatic is a bit of a traditionalist. It uses a robust doser chamber on the front, which stays primed with pre-ground coffee.
-
The "Thwack" Factor: Baristas pull a manual lever to dispense coffee. In an ultra-busy environment, this "dose-and-go" motion is often faster than waiting for a fresh grind cycle, making it ideal for rapid service.
-
Self-Refilling: Sensors in the chamber tell the grinder to kick in and top itself up after every 12 doses, ensuring it's always ready.
-
Mechanical Simplicity: There are fewer digital components to worry about, making it a rugged "workhorse" for environments where the pace is relentless, such as bustling high-street cafés or train station kiosks.
Best for: High-turnover Italian-style espresso bars or very busy takeaway spots in the UK where speed and continuous throughput are the primary metrics of success.
Key Similarities: Why Both Mazzer Kold S Models Excel

Regardless of which model you choose, the Kold S range is built for thermal stability, a critical factor in preserving coffee flavour. Both models feature:
-
Belt-Driven Motors: The motor is offset from the 71mm conical burrs, preventing heat transfer that can "cook" your beans before they hit the water. This belt-driven transmission enhances performance.
-
Massive 71mm Conical Burrs: These huge burrs offer a consistent, cool grind even under heavy load.
-
Dual Cooling Fans: Keeping the internal temperature stable even during the 8:00 AM commuter surge.
-
GFC (Grind Flow Control) System: Utilises wire dampers to eliminate clumps and static, ensuring a fluffy, consistent dose every time.
-
Micrometric Grind Adjustment: Allowing for precise, stepless adjustments for ultimate grind size control.
Frequently Asked Questions (FAQs)
What does "on-demand" mean for a coffee grinder?
"On-demand" means the grinder only grinds coffee when you press a button or activate a sensor with your portafilter. It grinds the exact amount needed for a single or double shot directly into your basket, ensuring maximum freshness for every order.
Is the Mazzer Kold S suitable for a small coffee shop?
The Mazzer Kold S is primarily designed for high-volume commercial use. While it offers incredible quality, its size and capacity might be overkill for a very small shop. Consider your daily shot count to determine if it's the right investment.
How often do the burrs need replacing in a Mazzer Kold S?
The lifespan of the 71mm conical burrs depends heavily on usage. For a busy commercial setting, they typically last for thousands of kilograms of coffee. The Electronic model's IoT features can help track burr usage, providing more accurate replacement guidance.
Can I switch between different coffee beans easily with the Kold S?
Both models allow for quick grind adjustment, but the Electronic (on-demand) version is better for frequently switching beans as there's no doser chamber to clear out. The Automatic model would require emptying the chamber before switching beans to avoid mixing.
What's the main benefit of the belt-driven motor in the Kold S?
The belt-driven motor separates the motor's heat from the grinding chamber and burrs. This prevents the coffee beans from getting overheated during grinding, which can degrade flavour and aroma. It's a key feature for maintaining coffee quality during peak hours.
What is the "GFC system" and why is it important?
The GFC (Grind Flow Control) system uses wire dampers to prevent static and clumping of the ground coffee. This ensures the coffee falls into the portafilter more evenly and fluffily, leading to better distribution and a more consistent espresso extraction.
About the Brand - Mazzer
Mazzer specializes in making high-quality coffee grinders. Their mission is to produce reliable and innovative equipment for the professional coffee sector. Their products are made in Italy with respect for the environment and community. They design and produce all components for durability and use the latest technology. 12% of their annual turnover is invested in R&D.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Advanced Thermal Control for High-Volume Coffee Service
Designed for high-volume coffee shops that demand both speed and thermal stability, the Mazzer Kold S Electronic Grinder is a powerhouse of Italian engineering. It is specifically built to protect the delicate profile of your beans by keeping grounds cool through a unique b elt-driven transmission, low RPM, and a double fan cooling system. By isolating the motor's heat from the grinding chamber, the Kold S ensures that even during peak service hours, your coffee preserves its full flavour and aroma without the risk of overheating.
Advanced Grind Flow Control with Intelligent Dose Accuracy
This sleek, Venice-made Mazzer grinder combines high performance with a cutting-edge digital experience. It features an intuitive, 19-language control panel that allows for dose precision to a hundredth of a second and offers IoT connectivity for remote monitoring of your shop's output and maintenance needs. With its high-precision micrometrical adjustment and Grind Flow Control system to eliminate clumping, the Kold S offers the ultimate balance of consistency and modern convenience for the professional barista.
Included with the Mazzer Kony S:
-
Free! Standard 2-3 Days Delivery (Worth £95)
- Out of stock colours take 6-12 weeks from factory after ordering.
-
Payment is needed upfront for any pre-orders.
-
Free! 2 year Manufacturers Warranty for Consumer Items.
Features

Advanced Cooling System: Engineered to "keep it cool" and preserve the coffee’s natural aroma. This is achieved through a belt-driven transmission that isolates motor heat from the grinding chamber, a double fan system, and a low-speed motor (420 rpm at 50Hz).

Italian-Made Conical Burrs: Features 71mm conical burrs that are 100% designed and manufactured in Venice by Mazzer for premium quality and longevity.

High-Volume Output: Purpose-built for high-traffic coffee shops, delivering an impressive average grinding speed of 5g per second at 50Hz.
![]()
Grind Flow Control (GFC): An innovative system that reduces electrostatic charge to prevent mess on the counter. It features a removable aluminium outlet insert with three interchangeable wire dampers: AntiClumping, AntiDust, and Hybrid, to ensure perfectly uniform grounds.

Micrometrical Precision: Includes a high-precision adjustment knob with a lap counter, allowing baristas to precisely identify and return to specific grind settings.

Minimal Retention: Designed as a low-retention grinder to save time and reduce coffee waste whenever you adjust your settings.

IoT & Cloud Connectivity: Features a built-in internet-connectable platform that allows owners and roasters to remotely monitor output, track maintenance needs, and view daily statistics.

Ergonomic Control Panel: Equipped with a wide-angle electronic display (viewing angle >160°) available in 19 languages. It allows for programmable single, double, and triple doses adjustable to a hundredth of a second.
- Use: on demand
- Version: electronic
- Power: 800 watt
- Grinding adjustment: Micrometric grind adjustment
- Burrs: conical
- Diameter standard burrs: 186C, Ø 71 mm - 2¾ inches
- Weight: 30 kg (66 lbs)
- RPM: 420 rpm @50Hz | 500 rpm @60Hz
- Body: aluminum die casting
- Hopper capacity: 1.5 kg (3.3 lbs)
- GFC: regolatori di flusso: Hybrid | AntiClumping | AntiDust
- Cooling system: Belt-driven transmission, Double fan cooling system and Split chassis
- Output: high
- Extraction method: espresso
- Recordable time settings: 3

Mazzer Kold S Electronic vs. Automatic – Which is Right for Your UK Café?
If you’re running a high-volume speciality coffee shop in the UK, you’ll know that the Mazzer Kold S is the undisputed heavyweight champion of the grinding world. Engineered to handle the morning rush without breaking a sweat (or overheating your beans), it’s a masterclass in Italian engineering.

But when it’s time to invest in the best high-volume commercial coffee grinder UK available, you’re faced with a choice: Electronic or Automatic? While they share the same DNA, the workflow on your bar will feel completely different. Here is the breakdown for the UK market.
| Kold S Electronic | Kold S Automatic | |
|---|---|---|
| Dosing Method | On-Demand (Direct to portafilter) | Doser Chamber (Manual lever) |
| Operation | Grinds only when triggered | Grinds to keep the chamber full |
| Interface | Digital touch display | Simple power switch/doser lever |
| Customization | 3 programmable timed doses | Manual portioning via lever |
| Retention | Very Low (Grinds fresh for every shot) | Higher (Grounds sit in the chamber) |
The Kold S Electronic: Precision for the Modern UK Brew
The Kold S Electronic is the "on-demand" version of this formidable grinder. It’s designed for the barista who treats every gram with respect, making it a strong contender in any Mazzer Kold S review for busy cafés focused on quality.

-
Freshness First: It grinds directly into the portafilter only when you need it. This ensures the volatile aromatics stay in the cup, not in a storage chamber, leading to superior espresso flavour. This is key for shops prioritising freshness and minimising waste.
-
Tech-Forward: It features a sleek digital display, allowing you to program three different doses to a hundredth of a second. This on-demand vs doser coffee grinder debate often swings in favour of the Electronic for precision.
-
Connectivity: With built-in IoT features, you can track your dose counts and burr life via an app—perfect for multi-site owners looking for consistency across the board.
Best for: Speciality coffee shops, boutique eateries, and high-end hotels in the UK where quality, precision, and minimizing waste are the top priorities.
The Kold S Automatic: Speed for the High-Street Rush
The Kold S Automatic is a bit of a traditionalist. It uses a robust doser chamber on the front, which stays primed with pre-ground coffee.
-
The "Thwack" Factor: Baristas pull a manual lever to dispense coffee. In an ultra-busy environment, this "dose-and-go" motion is often faster than waiting for a fresh grind cycle, making it ideal for rapid service.
-
Self-Refilling: Sensors in the chamber tell the grinder to kick in and top itself up after every 12 doses, ensuring it's always ready.
-
Mechanical Simplicity: There are fewer digital components to worry about, making it a rugged "workhorse" for environments where the pace is relentless, such as bustling high-street cafés or train station kiosks.
Best for: High-turnover Italian-style espresso bars or very busy takeaway spots in the UK where speed and continuous throughput are the primary metrics of success.
Key Similarities: Why Both Mazzer Kold S Models Excel

Regardless of which model you choose, the Kold S range is built for thermal stability, a critical factor in preserving coffee flavour. Both models feature:
-
Belt-Driven Motors: The motor is offset from the 71mm conical burrs, preventing heat transfer that can "cook" your beans before they hit the water. This belt-driven transmission enhances performance.
-
Massive 71mm Conical Burrs: These huge burrs offer a consistent, cool grind even under heavy load.
-
Dual Cooling Fans: Keeping the internal temperature stable even during the 8:00 AM commuter surge.
-
GFC (Grind Flow Control) System: Utilises wire dampers to eliminate clumps and static, ensuring a fluffy, consistent dose every time.
-
Micrometric Grind Adjustment: Allowing for precise, stepless adjustments for ultimate grind size control.
Frequently Asked Questions (FAQs)
What does "on-demand" mean for a coffee grinder?
"On-demand" means the grinder only grinds coffee when you press a button or activate a sensor with your portafilter. It grinds the exact amount needed for a single or double shot directly into your basket, ensuring maximum freshness for every order.
Is the Mazzer Kold S suitable for a small coffee shop?
The Mazzer Kold S is primarily designed for high-volume commercial use. While it offers incredible quality, its size and capacity might be overkill for a very small shop. Consider your daily shot count to determine if it's the right investment.
How often do the burrs need replacing in a Mazzer Kold S?
The lifespan of the 71mm conical burrs depends heavily on usage. For a busy commercial setting, they typically last for thousands of kilograms of coffee. The Electronic model's IoT features can help track burr usage, providing more accurate replacement guidance.
Can I switch between different coffee beans easily with the Kold S?
Both models allow for quick grind adjustment, but the Electronic (on-demand) version is better for frequently switching beans as there's no doser chamber to clear out. The Automatic model would require emptying the chamber before switching beans to avoid mixing.
What's the main benefit of the belt-driven motor in the Kold S?
The belt-driven motor separates the motor's heat from the grinding chamber and burrs. This prevents the coffee beans from getting overheated during grinding, which can degrade flavour and aroma. It's a key feature for maintaining coffee quality during peak hours.
What is the "GFC system" and why is it important?
The GFC (Grind Flow Control) system uses wire dampers to prevent static and clumping of the ground coffee. This ensures the coffee falls into the portafilter more evenly and fluffily, leading to better distribution and a more consistent espresso extraction.
About the Brand - Mazzer
Mazzer specializes in making high-quality coffee grinders. Their mission is to produce reliable and innovative equipment for the professional coffee sector. Their products are made in Italy with respect for the environment and community. They design and produce all components for durability and use the latest technology. 12% of their annual turnover is invested in R&D.




















