Meet the Hardtank 20—your all-in-one commercial nitro cold brew machine, designed for high-demand environments. With the ability to brew up to 250 litres per day and serve up to 1,250 portions, Hardtank 20 is the perfect choice for cafés, events, multi-location businesses, and anyone who needs efficiency and quality at scale.
Serve up to 1,250 portions of fresh, delicious cold brew every day—perfect for busy venues and large-scale operations.
Enjoy self-cleaning and sanitation programmes, plus automatic drainage, so your team spends less time on maintenance and more time serving customers.
Built with a modular design and the highest quality food-grade materials, Hardtank 20 is engineered to work flawlessly for decades.
With 1 or 2 built-in taps, you can serve nitro cold brew straight from the machine using either nitrogen or CO2—perfect for tailoring taste and foam to each beverage with this commercial nitro cold brew machine.
Thanks to its unique design, Hardtank 20 requires no single-use filters—making it eco-friendly and cost-effective, making it the go-to commercial nitro cold brew machine for diverse needs.
HT20 works as a production unit for multiple café outlets and as a dispensing point for busy locations like events and conferences.
Brewing cold brew with the Hardtank 20 is quick and easy. There’s no need for disposable filters as the process is fully automated, from brewing to cleaning. Recipes are replicable, and finished cold brew drains automatically into standard Cornelius-type kegs. This commercial nitro cold brew machine can be used as a production hub for multiple café locations or as a high-capacity dispenser at events and conferences.
| Classic Method | Baby Hardtank | Hardtank 20 | |
|---|---|---|---|
| Daily efficiency | 20 l | 60 l | 250 l |
| Extraction time | 16 - 20 h | <1h | <1h |
| Employee service time of batch | 30 min | 5 min | 5 min |
| Cleaning | Manual | Automatic | Automatic |
| *Coffee extraction time: 20 - 45 min Tea extraction time: 15 - 30 min |
Designed for high-volume operations, the Hardtank 20 is the ultimate solution for busy coffee shops, events, and multi-location businesses. It brews up to 18–20 litres per batch and can serve up to 1,250 portions per day, making it ideal for those who need efficiency, consistency, and premium nitro cold brew at scale.
The Hardtank 1T and Hardtank 2T are versatile commercial nitro cold brew machines designed for cafés, restaurants, and boutique coffee shops that want to serve both classic and nitro cold brew on tap. With one or two built-in taps, it’s perfect for businesses looking to offer variety and streamline cold brew service without sacrificing quality or speed.
A kegerator is a specialized refrigerator designed to store and dispense beverages directly from a keg, keeping them fresh and perfectly chilled. Using nitrogen (nitro) or carbon dioxide (CO2), it delivers drinks smoothly from a tap, making it ideal for long-term storage and serving. Our kegerators are available on request, typically offered as part of a set with a large tank to meet your beverage needs.
A must-have for storing and serving large volumes of cold brew. We offer them in both 9 and 18-litre sizes. These kegs are compatible with HT20’s automated drainage system, making batch transfer and storage seamless for any commercial operation.
This reusable filter basket ensures a clear, smooth brew every time—no disposable filters required. It’s durable, easy to clean, and designed for repeated use in high-volume environments. Additionally, a smaller basket is available for purchase, which enables the brewing of half portions (10 litres instead of 20 litres).
Upgrade your service with a dedicated nitro tap system. This accessory lets you serve creamy, velvety nitro cold brew straight from the machine, enhancing the customer experience and adding a premium touch to your menu, perfect for any commercial nitro cold brew machine setup.
See how quickly your investment in a Hardtank machine can pay off!
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Looking for inspiration or want to get the most out of your commercial nitro cold brew machine? Head over to our recipes page to discover a variety of detailed recipes, expert tips, and even signature drinks from award-winning baristas.
See cold beverage recipes
Need step-by-step guidance for setup or daily use? Head to our instructions subpage to download the official Hardtank 20 installation and operation manual.
Download Instructions Visit our YouTube channel for practical demonstrations, maintenance tips, and best practices—so you and your team can master every feature of your commercial nitro cold brew machine.
Watch Videos 
Have a question, or are you ready to launch your own custom formula RTD? Select a contact below to connect directly with the right sales representative for your needs.
Business Development Manager
Vidin oversees our Hardtank equipment sales. He can answer any questions you have about the Hardtank 20, Hardtank 1T & 2T, and the Baby Hardtank. Get in touch with him to learn more or discuss distributor partnerships.
Languages: English, български
Simply select the topic you want to discuss, and we’ll make sure your inquiry reaches the right expert.
You’ll get a response from our team within 48 hours (excluding weekends), always from a @hardbeans.com email address. Your inquiry will be handled by a specialist who understands your needs and can guide you every step of the way.
Private Label & RTD Development
Hardtank Equipment & Distributor Opportunities
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Do you have questions about Hardtank? Below you will find answers to the most frequently asked questions.
With Hardtank, you’re not limited to just cold brew coffee. You can also brew tea, cascara, and even experiment with infusing spirits, herbs, or fruits for unique drinks. The possibilities are as creative as you are.
Yes! You can infuse spirits up to 60% ABV in the Hardtank. Just remember to avoid thick or sugary liquids, as they may damage the machine.
Absolutely. Hardtank models with built-in taps let you serve nitro cold brew directly. For the Baby Hardtank, you’ll need a separate nitro dispenser, which we can also provide.
The Baby Hardtank can be filled manually or with an external pump. Larger Hardtank models require a direct filtered water supply, but you can use external drainage vessels if needed.
Not at all. Every Hardtank device features automatic cleaning and sanitation modes, making maintenance simple and extending your machine’s lifespan.
No disposable filters are needed. Hardtank’s technology ensures a clean brew without single-use filters, making it eco-friendly and cost-effective.
The Baby Hardtank makes up to 4 litres per batch, while the Hardtank 20 can brew up to 18 litres at a time.
Hardtank uses patented accelerated cold extraction with recirculation, constantly agitating the coffee or tea for quicker, high-yield brewing—delivering clean, delicious results in a fraction of the usual time.
Use the same filtration you’d use for an espresso machine or batch brewer. For best results, follow SCA water guidelines.
With a 200ml serving size, the Baby Hardtank can produce up to 300 portions daily, while the Hardtank 20 can deliver up to 1,250 portions,perfect for any high-demand commercial nitro cold brew machine setting.
