Dampness Dilemma: What Causes Condensation on Windows?

Dampness Dilemma: What Causes Condensation on Windows?

Exterior Services / By / November 27, 2024
Dampness Dilemma: What Causes Condensation on Windows?

Window condensation. Many homeowners have seen water droplets collect on a window’s surface and have not thought twice about it. Others believe that window condensation might not be the best for their windows or homes, but they’re unsure if they should do something about it. What causes condensation on windows? Can it be prevented? Does it even matter? We explore this topic in depth.

What Causes Condensation On Windows?

Condensation will occur when humidity in the air at a warm temperature contacts a cold surface at a very different temperature. Stated another way, the airborne moisture exists as a gas (i.e., humidity) and reduces to liquid form (i.e., water droplets) when it makes contact with the colder surface of the window. Thereby, the “warm” liquid attaches itself to the cold, impervious surface, resulting in the formation of condensation. It is the reverse of vaporization.

Recommended Humidity Percentage Based on Outdoor Temperature

Why Condensation Is Bad For Windows?

  • It contributes to a compromised indoor air quality environment that allows allergens and irritants to remain.
  • It evaporates and returns moisture back into a home’s interior, resulting in elevated humidity levels.
  • It fosters an indoor environment ripe for the formation and accumulation of mold and mildew.
  • It is a sign that a home is energy inefficient, meaning that the home is using excessive energy consumption.

How To Address Window Condensation? 8 Solutions

A dehumidifier reduces humidity levels to an optimal 30% to 60% range. Anything above this percentage will lead to window condensation because humidity will impinge glass surfaces.

When a home has insufficient air circulation, humidity levels climb. Utilizing indoor fans and maintaining the thermostat at a reasonable temperature helps air move around efficiently.

Warm air rises. When it enters a home’s upper spaces, it needs an effective escape path to the outside. Otherwise, the house becomes like a sauna, and windows form condensation.

A home with insufficient insulation lacks energy efficiency. As such, excess heat will accumulate in the loft and attic. Adding insulation helps a home regulate humidity levels

A dark, dank atmosphere contributes to poor air quality and circulation. Moisture also doesn’t have an effective escape route. Allowing outside light to enter reduces this issue.

In the spring and fall, homeowners should open windows to allow their homes to breathe. Outdoor air can flow inside while permitting indoor air to be exchanged with the outside.

Some rooms are more inclined to absorb moisture. For instance, kitchens and bathrooms are highly susceptible to humid conditions. Running fans in them can help reduce dampness.

Windows will age over time and become less efficient and effective. The best solution to window condensation is often replacing them with high-energy efficiency windows.

Finding A Window Expert In The Twin Cities

No general contractor understands the ins and outs of windows more than Midwest Roofing, Siding & Windows. For over 50 years, we have set an unmatched standard for excellence in residential window repair and replacement. Unlike most contractors, we don’t “dabble” with windows on the side. We specialize in windows. When you involve us with your next window replacement project, you’re guaranteed to receive exceptional service and unsurpassed quality. Your new windows will offer years of comfort and security. To schedule a complimentary window consultation, contact us today.

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