03.03.2026

No more condensation on windows Practical tips on how to get rid of it quickly and effectively

By Vitia

You come to the window in the morning and instead of a view you see drops of water. Condensation on windows is not only unpleasant – in the long run it can lead to mold, damage to frames and poorer air quality in the apartment. The good news? In most cases, it can be removed quickly and without expensive repairs.

Why does condensation form

Condensation forms when warm, moist air in the room meets the cold surface of the window. The most common causes are:

High humidity in the interior

Insufficient ventilation

Large difference between indoor and outdoor temperatures

Poor air circulation at the windows
How to get rid of condensation – immediately and effectively

Ventilate regularly and briefly

Forget about micro-ventilation all day long. It will cool the windows, but it will not remove moisture.

Open the windows fully for 5–10 minutes, ideally 2–3 times a day.

Create a draft – the moist air will quickly go away.

Reduce the humidity in the room

The ideal humidity in the apartment is 40–55%.

This will help:

a hood when cooking

closing the bathroom door after showering

drying laundry outside the living room (or with a dehumidifier)

If condensation persists, a dehumidifier is the fastest solution.

Do not cover radiators and window sills

Floor-length curtains or crowded window sills prevent the flow of warm air to the window.

The heat does not reach the glass → the glass remains cold → water condenses.

Leave the space under the window free.

Maintain a stable temperature

Large temperature fluctuations increase the risk of condensation.

Do not heat suddenly

Try to keep the temperature between 20–22 °C in living rooms

Do not let the temperature in the bedroom drop below 18 °C for a long time

Check the window seals

Damaged or old seals can cause the glass and frame to cool down.

If you feel cold or drafty, replacing the seals is cheap and very effective.

What to do if condensation keeps coming back

Then it is not just humidity, but a combination of poor ventilation and thermal bridges. The following can help:

window adjustment
controlled ventilation
better glazing (double glazing → triple glazing)
Watch out for mold

If water droplets remain on the glass and frame for a long time, mold is only a matter of time. Wipe the windows regularly and solve the problem now – not until “spring”.

Dry windows, healthier air and fewer worries – a few good habits are often enough.

What trick against condensation has worked for you?