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Single Boiler Espresso Machines - What Are They and Which Ones Are Good? [Test List]
Benjamin Hohlmann
Over the past years we have tested numerous espresso machines from all categories and areas. Including many single boiler espresso machines. You'll find the list of espresso machines we've tested so far below. If you'd like us to test an espresso machine, please don't hesitate to comment about it.
We have set out to do nothing less than test all available espresso machines on the market. That's an enormous undertaking and we'll never be finished. But the fascination and your support as a community drive us on.
Here you can read what else we've tested.
| Manufacturer | Machine Name | Technology | Status | Article (Blog) / Video |
|---|---|---|---|---|
| Gaggia | Classic E24 | Single Boiler | — | |
| Lelit | Viktoria PL91T | Single Boiler | Article and Video | |
| Profitec | Go | Single Boiler | Article and Video | |
| Quick Mill | Carola | Single Boiler | Article and Video | |
| Rancilio | Silvia | Single Boiler | Article and Video |
What is a Single Boiler Espresso Machine?
A circle that gives the machine its name runs through the espresso machine. This is a boiler that provides the water for brewing the espresso. If the single boiler also has a steam wand, the temperature of the boiler must be increased to produce steam pressure.
To produce a cappuccino or latte macchiato, the machine is switched to steam mode after pulling the espresso. Depending on the machine, it takes several seconds to about a minute for the boiler to reach full power.
With single boilers, you generally cannot steam milk parallel to pulling espresso. If you like and use a lot of milk foam, you're usually better off with a dual boiler. A dual boiler allows for simultaneous steaming and espresso extraction.
Wishlist: These Single Boilers We Still Want to Test
The following list shows single boiler espresso machines that we would like to test. Do you have any other suggestions or requests? Feel free to write them in the comments!
| Manufacturer | Machine | Notes |
|---|---|---|
| Bezzera | Hobby | — |
| Bezzera | BZ09 | — |
| ECM | Casa V | — |
| ECM | Classica PID | — |
| ECM | Puristika | — |
| Lelit | Glenda | — |
| Lelit | Grace | — |
| Lelit | Anna | — |
| Quick Mill | Pippa | — |
| Quick Mill | 0820 | — |
| Vibiemme | Domobar | — |
Frequently Asked Questions About Single Boiler Espresso Machines
How long does it take for a single boiler to heat up?
Depending on boiler size and heating power, most machines need between 10 and 20 minutes to reach full temperature stability.
Can I make a cappuccino with a single boiler?
Yes, absolutely. However, after pulling the espresso, you need to press a button or switch to heat the water in the boiler to steam temperature. This usually takes 30 to 60 seconds.
What is the advantage over a dual boiler?
Single boilers are generally cheaper, more compact, and often more temperature stable when pulling pure espresso, since the brew water comes directly from the boiler and is not heated via a heat exchanger.
This list is meant to be supplementary. Please comment with your wishes and suggestions. Which single boilers should we test next?
