If you’ve ever noticed your windows fogging up or collecting water droplets, you’re not alone. This common issue, often called “crying windows,” occurs when condensation forms on the glass. While it may seem like a minor inconvenience, persistent condensation can lead to mold, mildew, and even damage to your window frames. Let’s explore why this happens and how you can fix it.

What Causes Window Condensation?

Condensation forms when warm, moist air inside your home meets the cold surface of your windows. This is especially common in winter when indoor heating keeps your home warm while outdoor temperatures are freezing. Factors that contribute to window condensation include:

• High indoor humidity levels – Cooking, showering, and even breathing release moisture into the air.
• Poor ventilation – Lack of airflow can trap humidity inside.
• Inefficient windows – Single-pane or poorly insulated windows are more prone to condensation.
• Temperature differences – The greater the contrast between indoor and outdoor temperatures, the more likely condensation will occur.

How to Reduce Window Condensation

1. Improve Ventilation

Proper airflow helps to disperse moisture in your home. Try these steps:

• Open windows periodically to let fresh air circulate.
• Use exhaust fans in the kitchen and bathrooms.
• Keep interior doors open to encourage air movement.

2. Control Humidity Levels

Reducing indoor humidity can significantly lessen condensation. You can:

• Use a dehumidifier to maintain ideal humidity levels (30-50%).
• Avoid drying clothes indoors, which adds excess moisture to the air.
• Houseplants, while great for décor, can increase humidity—so consider reducing them.

3. Upgrade to Energy-Efficient Windows

Modern, high-performance windows are designed to minimize condensation by improving insulation. Consider:

• Double or triple-pane windows – These have insulating gas layers between the panes to regulate temperatures.
• Low-E coatings – Special coatings reflect heat back inside during winter and keep it out in summer.
• Properly sealed frames – Well-installed windows prevent drafts and moisture buildup.

4. Keep Windows Warm

When the inner glass surface stays warm, condensation is less likely to form. You can:

• Use thermal curtains or blinds to retain heat inside.
• Move furniture away from windows to allow warm air to reach them.
• Ensure heating vents are not blocked, allowing warm air to circulate near windows.

When Should You Replace Your Windows?

If condensation persists despite your efforts, it may be time to replace your windows. Signs you need an upgrade include:

• Condensation forming between the glass panes, indicating seal failure.
• Cold drafts coming through your windows.
• Rising energy bills due to poor insulation.

At Alex Windows & Doors, we offer energy-efficient window solutions designed to keep your home comfortable, dry, and free from condensation issues. If you’re tired of “crying windows,” let’s find the best upgrade for your home!