Jan 13, 2025

Dealing with Winter Condensation on Your Windows

Winter condensation on windows

Winter brings its own set of challenges for homeowners, and one of the most frustrating is condensation on windows. Those tiny water droplets might seem harmless at first, but if ignored, they can lead to bigger problems like mold, dampness, and even damage to window frames. The good news? You can reduce or even prevent this issue with the right window maintenance approach.

Why Does Winter Condensation Happen?

Condensation forms when warm, humid air inside your home comes into contact with cold window surfaces. In winter, this contrast is more noticeable since indoor heating raises the temperature while the glass remains cold.

If you live in an older home with single-pane windows, condensation is a common issue due to the reduced insulation against outdoor temperatures.

A little condensation now and then is normal and easy to wipe away. However, lingering moisture can encourage mold growth, cause paint to peel, and affect indoor air quality. Fortunately, there are practical ways to minimize condensation and protect your home.

Simple Fixes for Managing Winter Condensation

Condensation doesn’t always mean it’s time to replace your windows. You don’t need a major renovation to deal with condensation—minor adjustments can make a big difference.

Improve Airflow to Reduce Moisture

Increasing ventilation is one of the most effective ways to keep condensation in check. Kitchens and bathrooms are hotspots for moisture since cooking and showering release steam into the air. Turning on exhaust fans while using these spaces can help. Opening a window slightly—even in winter—lets humid air escape.

Bedrooms are another common area where moisture builds up, especially overnight. Keeping a window cracked or using a ceiling fan on low can help circulate air and reduce condensation on windows.

Use Moisture-Reducing Tools

Dehumidifiers are a great way to control indoor humidity. These devices pull excess moisture from the air, preventing it from settling on your windows. Even a small unit can make a noticeable difference, particularly in bedrooms and living areas.

A Positive Input Ventilation (PIV) system could be a long-term solution for homes with ongoing moisture issues. These units introduce fresh, filtered air into your home, improving circulation and stabilizing humidity.

Maintain a Steady Indoor Temperature

Drastic temperature changes encourage condensation. If your home fluctuates between warm and cold throughout the day, moisture is more likely to form on your windows. Keeping the indoor temperature steady—rather than turning the heat up high and then letting it drop—can help reduce this effect. A programmable thermostat makes it easier to maintain a balanced climate without constant adjustments.

Everyday Habits That Help Reduce Condensation

Small lifestyle changes can also make a difference. For example, drying clothes indoors releases a significant amount of moisture into the air. Whenever possible, use an outdoor drying rack or a vented tumble dryer. If drying inside is unavoidable, place clothes near an open window to allow moisture to escape.

Another simple adjustment is to be mindful of indoor plants. While greenery adds beauty to your home, too many plants in a single room can raise humidity levels, especially in winter when ventilation is limited. Spacing them out or moving some to well-ventilated areas can help.

Upgrade Your Windows for a Lasting Solution

Older windows, particularly single-pane designs, contribute to condensation problems. Replacing them with Energy Star-certified windows provides better insulation, making it less likely for moisture to form. In addition to reducing condensation, energy-efficient windows improve home comfort and help lower heating costs.

Supreme Windows specializes in modern, high-performance windows that help homeowners stay warm and dry during winter. Our streamlined online quote process lets you get pricing information without scheduling an in-person visit. Simply send us photos of your current windows, and we’ll provide a detailed estimate—saving you time and hassle.

Create a Healthier Home With Supreme Windows

Even with good ventilation and insulated windows, regular upkeep is essential. Wiping down windows and sills helps prevent moisture build-up, while using moisture traps or anti-condensation sprays can provide extra protection in trouble spots.

Condensation might be a common winter issue, but it doesn’t have to be a persistent one. By managing indoor humidity, improving airflow, and considering modern window upgrades, you can create a more comfortable and healthier home. If condensation is a recurring problem, Supreme Windows is here to help you find the best long-term solution. We can help you replace your windows without the hassle of lengthy sales pitches. All you have to do is reach out to us for an online quote, and we’ll start the process as soon as possible!

Get a quote today!