Many people pay attention to temperature when storing wine. Humidity is often forgotten. This is precisely where one of the most common mistakes in private wine cellars lies.

A wine can mature over years or decades. To do so, it needs stable conditions.

In addition to temperature, humidity plays a key role. The ideal humidity in a wine cellar is between 60 and 75 percent.

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Why cork needs moisture

The classic wine cork is made of natural cork.

This material remains elastic as long as it contains sufficient moisture. The cork has an important function. It seals the bottle and at the same time allows a minimal amount of oxygen into the wine. This slow oxidation supports the aging process.

To keep the cork sealed, it must remain moist. That is why wine bottles are stored lying down. The wine touches the cork and prevents it from drying out.

If there is also a lack of humidity in the room, the cork will dry out from the outside. It will shrink. As a result, it will lose its sealing function.

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What happens when the air is too dry

Many modern basements or storage rooms have excessively dry air, particularly in buildings with heating or air conditioning. The consequences often only become apparent after several years.

Common issues:

• the cork dries out
• Oxygen enters the bottle
• the wine oxidizes
• Flavors are lost
• the wine tastes flat or musty

With valuable wines, this mistake can cause significant financial damage.

A wine that should be aged for 10 or 20 years loses its quality after just a few years.

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How to control humidity

In traditional stone wine cellars, humidity often regulates itself. Thick walls and soil ensure a stable climate.

In modern buildings, you need technical control.

Important measures:

• Use a hygrometer: A hygrometer measures the humidity in the room. Without a measuring device, you won't know the actual value.
• Store bottles correctly: Always store wine horizontally. This keeps the cork moist from the inside.
• Pay attention to air circulation: A closed room without air movement can also cause problems.
• Use climate-controlled wine storage: Professional systems automatically control temperature and humidity.

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This is exactly where our solutions come in.

METEK develops walk-in wine climate rooms for hotels, restaurants, and private collectors. The systems precisely control temperature and humidity, creating stable conditions for long-term wine storage. The advantage lies not only in the technology. A walk-in wine climate room also becomes the architectural focal point of the room. The wine collection becomes visible and part of the overall experience.

The right humidity is therefore not a minor detail. It determines whether a wine can develop its full aroma over many years.

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Great wines need time. And the right conditions.

A professionally designed wine climate room ensures stable temperatures, controlled humidity, and perfect storage for many years.

If you are planning a solution for your collection or restaurant, we would be happy to discuss it with you.

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[JUST CLICK HERE]

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Wolfgang Passler

wolfgang.passler@metek.com

+43 660 1491 9592