Condensation: What It Is & How to Stop It

Condensation can be a common problem in many homes, especially during the colder months. It’s more than just an inconvenience — excessive condensation can damage your windows, and walls, and even lead to mould growth, which may cause health issues. If you’ve been wondering how to stop condensation on windows, this blog will provide all the tips and insights you need.

What is Condensation?

Condensation occurs when moist air comes into contact with a cold surface, such as a window. The moisture in the air cools down and forms water droplets on the glass. This is a common issue in homes, particularly during winter, when the difference between indoor and outdoor temperatures is more extreme.

Condensation often appears on windows, especially those with poor insulation or inadequate ventilation. If left untreated, it can lead to the growth of mould, which thrives in damp conditions.

What Causes Condensation on Windows?

Several factors contribute to the build-up of condensation on windows:

• Temperature differences: Warm indoor air meets the cold surface of the windows, causing moisture to form.
• High humidity levels: Daily activities such as cooking, showering, and even breathing release moisture into the air.
• Inadequate ventilation: Poor airflow traps moist air inside, which eventually condenses on colder surfaces like windows.

In homes where condensation is a constant issue, it’s crucial to understand these causes to find effective solutions.

How to Stop Condensation on Windows

Stopping condensation on windows requires a combination of improving insulation and reducing indoor humidity levels. Here are several steps you can take:

1. Install Double or Triple Glazing:
   Double or triple-glazed windows help maintain a higher temperature inside, reducing the chance of condensation. These windows come with energy-efficient glass and an insulated gap between the panes, preventing heat from escaping while keeping the interior glass warmer.
2. Improve Ventilation:
   Good ventilation is crucial for preventing condensation. In moisture-heavy rooms like the kitchen and bathroom, make sure to open windows or use extractor fans. Proper airflow helps reduce the humidity levels, making it harder for condensation to form on windows. You can also use dehumidifiers in areas prone to moisture.
3. Use Insulating Curtains:
   Thick curtains can help keep the cold air out and the warm air in, preventing the glass from cooling down too much and reducing the chance of condensation forming.
4. Control Room Temperature:
   Keeping your home at a consistent temperature prevents rapid cooling, which contributes to condensation. Avoid sharp drops in temperature, especially overnight.

How to Stop Condensation on Windows Overnight

Many homeowners experience condensation on their windows first thing in the morning. This is because, during the night, the temperature drops, and the moisture from breathing can settle on the windows. To prevent this:

• Ensure proper ventilation in the bedroom by leaving a window slightly open or using a dehumidifier.
• Use thermal or double-glazed windows to keep your windows warmer throughout the night.

How to Prevent Condensation on Walls

Condensation isn’t just limited to windows — it can also appear on walls. To prevent condensation on walls, ensure good airflow throughout your home. Keep furniture a few inches away from walls to allow for proper air circulation. Additionally, avoid overfilling wardrobes and cupboards to let air move freely.

How to Get Rid of Condensation Inside Double-Glazed Windows

If you notice condensation inside the sealed unit of your double-glazed windows, it usually indicates a seal failure. This means the insulating gas between the panes has escaped, allowing moisture to enter. In this case, it’s essential to have the window professionally inspected and potentially replaced. You may be able to repair the seal, but often a replacement unit is required to resolve the issue permanently.

Final Thoughts

Condensation is a common issue but one that can be managed with the right approach. By improving ventilation, upgrading your windows, and maintaining a consistent temperature, you can greatly reduce the likelihood of condensation forming on your windows and walls. Following these steps will not only improve the comfort of your home but also help protect your property from the damage condensation can cause.

If you need professional assistance or advice on upgrading your windows to prevent condensation, Select Windows offers expert services tailored to keep your home dry and comfortable year-round.