How does a still work? – A journey into the art of distilling
Journal · 5 January 2026 · 2 min. read

How does a still work? – A journey into the art of distilling

Sonnfeld Distillery

Anyone who enters a distillery immediately senses that special crackle in the air:

the scent of fruit, grain or botanicals and the gleam of copper.

Distillation is much more than technology – it is science and a great deal of craftsmanship.

In this article you get an insight into how a distillation system works. Step by step – from the first drop in the pot to the finished distillate in the glass.


The still at a glance

Diagram of the copper still: 1 still pot with water bath, 2 helmet, 3 rectifying column with bubble-cap plates, 4 dephlegmator, 5 lyne arm, 6 condenser, 7 separation into heads, heart and tailsMashWater bathCooling waterHeadsHeartTailsonly this goes into the bottle1234567
  1. Still potThe mash is heated gently in a water bath – so nothing burns.
  2. HelmetThis is where the rising alcoholic vapours collect.
  3. Rectifying columnOn the bubble-cap plates the vapours condense again and again – the distillate becomes clearer and finer.
  4. DephlegmatorA cooled attachment: only the finest aromas continue upwards.
  5. Lyne armCarries the vapour across to the condenser.
  6. CondenserIn the cooling water the vapour turns liquid again.
  7. Separation by handHeads and tails are separated – only the heart goes into the bottle.

MashWater bath

1. The pot – where the transformation begins

The pot is the heart of the distillery. It is where aromas are released from natural ingredients.

This is what happens here:

  • The mash, the spirit or the alcohol infusion is carefully heated.
  • The heat releases the fine aromas and makes alcohol evaporate earlier than water.
  • A lively play begins: bubbling, fragrant, full of energy.

The pot is the beginning of distillation – this is where a promising vapour is born from raw materials.


Sight glass

2. The helmet – the first scent of the distillate

The helmet sits on the pot like an artful crown.

Why is it so important?

  • Copper binds unwanted sulphur compounds and ensures a soft, pure taste.
  • The shape of the helmet influences how much vapour flows back into the pot. A round, generous helmet produces a particularly elegant, fine spirit.

This is where the distillate begins to form its character – light, fragrant, promising.


Bubble-cap plateVapour

3. The column – precision perfected

For many visitors the column is the most impressive part of the system. A tall copper tower full of sight glasses, plates and technology.

Its task:

  • The plates act like many small distillations in a row.
  • On each plate vapours condense, are heated again and evaporate once more.
  • This precisely increases the alcohol content and sharpens the aroma.

The column is the realm of fine work. Here the noble is separated from the ignoble, and step by step the distillate becomes clearer, purer and more aromatically balanced.


Cooling waterReflux

4. The dephlegmator – the secret aroma control

At the very top of the column sits the dephlegmator – a temperature-controlled cooler that challenges the vapour.

What does it do?

  • It cools part of the vapour and sends it back into the column.
  • This reflux ensures that only the finest components continue to rise.
  • The harder the dephlegmator works, the purer – and stronger – the final spirit becomes.

This is where taste is steered, structure formed and quality defined.


Alcohol vapourCooling waterDistillate

5. The condenser – the moment vapour becomes a drop

At the end of the journey the condenser awaits – the moment when the vapour becomes distillate again.

  • The hot vapour meets cold water in the jacket.
  • It condenses.
  • And drop by drop the finished distillate is created.

The first drop is always a special moment – a small miracle of physics and craftsmanship.


From fruit to bottle

This is how we make a fine brandy – in six steps:

  1. 1

    Harvest

    Fully ripe, hand-picked fruit – from our own orchards and selected suppliers.

  2. 2

    Mashing

    The fruit is crushed and turned into mash.

  3. 3

    Fermentation

    Yeast turns the fruit sugar into alcohol.

  4. 4

    Distilling

    Gently in the copper still – only the heart counts.

  5. 5

    Maturing

    The spirit rests until it is round and harmonious – some in wooden casks.

  6. 6

    Bottling

    Filled, labelled and signed by hand.


Conclusion: distillation – a dance of heat, copper and precision

A distillery is a place where tradition meets technology. A mix of craftsmanship, dedication and centuries of experience. Every pot, every drop and every component works together to create a distillate that stirs emotions and tells stories.

The next time you enjoy a gin, a brandy or a liqueur, you'll know: behind every sip lies a fascinating journey – and that journey begins in the distillery.

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