Tackling Summer Window Condensation
Chelsea O'Donnell
You’ve probably noticed those pesky water droplets forming on your windows as summer humidity rises. It’s not just an eyesore—it can also be a sign of underlying issues within the home.
Condensation occurs when warm, humid air comes into contact with a cooler surface—like your window glass. During summer, the air inside your home is usually cooler (thanks to your trusty air conditioner) while the air outside is hot and humid. This temperature difference causes moisture to condense on the cooler inside surface of your windows. Here are a few reasons why you might see more condensation:
High Humidity Levels: Summer air can hold a lot more moisture, especially in places like Connecticut where it's humid in the summer and dry in the winter.
Poor Ventilation: Without proper airflow, moisture has nowhere to go, leading to higher humidity inside your home.
Inefficient Windows: Older or single-pane windows might not provide the best insulation, causing the inside surface of the glass to get cool enough for condensation to form.
Why is condensation a problem? While a bit of condensation might seem harmless, it can actually lead to a few issues, such as:
Mold and Mildew: Excess moisture can create the perfect environment for mold and mildew, which can damage your home and harm your health.
Damage to Windows and Frames: Prolonged exposure to moisture can warp or rot wooden frames, damage seals, and reduce the lifespan of your windows.
Reduced Visibility: Condensation can make it difficult to see clearly through your windows, affecting your view and natural light.
Now that we know what’s causing the problem, let’s dive into some solutions. Here’s how you can reduce and even prevent condensation on your windows:
Improve Ventilation: Make sure your home has good airflow. Use exhaust fans in kitchens and bathrooms, and consider a dehumidifier if humidity is a persistent problem. Opening windows when it’s not too humid outside can also help.
Upgrade Your Windows: If you’re still dealing with single-pane windows, it might be time to upgrade. Double or triple-pane windows with insulating gas between the panes can significantly reduce temperature differences and condensation.
Seal Leaks: Check for and seal any leaks around your windows and doors. This can help keep humid air outside where it belongs.
Use Blinds and Drapes Wisely: While it’s tempting to keep blinds and drapes closed to block out the sun, this can actually trap heat and humidity. Try to keep them open when possible to allow air to circulate.
Maintain Indoor Plants: Houseplants are great, but they can add to indoor humidity. If you have a lot of plants, consider moving some outside or to a well-ventilated area.
Regular Maintenance: Keep your windows in good shape by regularly checking seals, cleaning them, and ensuring there’s no damage to the frames or glass.
Remember, a little attention goes a long way in keeping your windows—and your home—in great shape. Stay cool and dry this summer!
Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit http://www.odonnellbros.com. Advice is for guidance only.