Coolblue.Anything for a smile

Our goal is to make you completely happy. That's why we have our own delivery network, bike delivery drivers, installers, and stores. For over 20 years, we've made customers smile in the Netherlands, Belgium, and Germany.

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Hi Germany

Coolblue has been active in the Netherlands, Belgium, and Germany for over 20 years.

Coolblue employee

Piston machines

Everything on piston machines

Curious if a piston machine is something for you? We'll give you advice on what a piston machine is, which coffee you can brew with it, and which model suits you best.

Everything on piston machines

What kind of piston machine are you looking for?

How to become a barista

Barista tools

Frequently asked questions

How sturdy is a piston machine?

We divide all piston machines into basic, mid-range, and high-end build quality. This way, you know exactly which machine can take a beating.

How do I choose the right grind size for my coffee?

For an expresso, you use a fine grind size. It's impart that you set the grind size of your bean grinder. The grind size has a lot of influence on the flavor of your espresso.

How do I choose the best coffee beans for a piston machine?

Which coffee beans taste the best mostly depends on your own taste. We're happy to help you choose the best coffee beans for you in this article.

How do I maintain my piston machine?

It's important that you keep your piston machine clean. We'll give you 5 tips on how to clean your machine. This way, you can enjoy your machine for longer and you also prevent blockage and the spread of bacteria.

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