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Window Condensation Guide


What Is Window Condensation And How
Replacement Windows Can Prevent
The Process In Enfield, NH

What Does Condensation Mean
For Energy Efficiency


Replacement windows in Enfield, NH help you make your home more energy efficient. They also help keep the exterior of your home looking its best while allowing natural light inside all year.

Jancewicz & Son has been installing windows for over 90 years, so we are quite familiar with the process of condensation, why it matters, and how you can prevent it. It may mean that you need a new window replacement, and it may mean your windows are doing their job well.


What Is Condensation On An Existing Window?

Condensation is when water vapor becomes a liquid. It forms on your windows as the air outside is cooled or becomes wet yet can’t hold any more moisture. When warm air reaches the cold surface of the window, that moisture attaches to it.

Condensation is not always a sign that you need to replace your windows. But it can be. It all depends on where the condensation is, how much of it there is, and if it is affecting the inside temperature of your home.


Why Does Condensation Matter For Energy Efficiency?

Condensation is not always a bad sign. During the hot summer, moisture may form on the window, indicating that the coolness is being kept inside. In the winter, it may form because the air outside is much colder than the air inside, and when the two meet, condensation forms.

But there are cases when condensation is a sign of a problem. For example, if you can see the condensation but can’t feel it, there’s a good chance that your window isn’t insulating well.

Excess moisture may also drip down into your walls and your foundation, which causes serious issues such as rot. At the very least, the water will damage your window frames. But it can also cause mold to build up around it.


Interior Vs. Exterior Condensation On Existing Windows

There are three places where condensation can build up on a window. The inside, outside, or in-between. Outside condensation is not a bad thing; it can even be a good thing, letting you know that the moisture is kept out. The same goes for fog, which means that your windows aren’t letting heat get in during the summer.

Interior condensation may not always be indicative of a faulty window. After all, if your shower or stove was on recently, it could have caused the moisture. But if there is no other cause, then it’s time to look into the issue.

As for in-between the panes, that’s a serious issue because it means your Grafton County window isn’t working as it should. Call a window contractor if you find moisture between the panes of glass.


How Do You Prevent Condensation
On Window Replacements?

The only way to get rid of energy efficiency issues caused by your windows is to replace them. Replacement windows that are energy efficient may solve the problem completely. If you hire a reputable window replacement contractor, then you definitely will, as they know the ins and outs of the industry and which issues need to be addressed.

However, there are a few small ways to reduce the condensation while you make your decision.

  • Heat or cool your house slowly during outside temperature changes.
  • Open your window every once in a while to allow circulation.
  • Turn off the humidifier.
  • Turn on the dehumidifier.
  • Add more ventilation.

Window Condensation Energy Efficiency Rating

There is a rating called Condensation Resistance (CR), which lets you know how likely it is that condensation will build up on your window. The rating goes from 1 to 100 – the higher the number, the better. A similar rating is Air Leakage, which measures how much air gets in around the window.

Ready to prevent condensation with replacement windows in Enfield, NH. Call Jancewicz & Son today at 800-281-3585 for a free quote. If you’re unsure if your window condensation is an issue or if it’s a natural and safe response to the weather, then let us know. We’d be happy to offer a free consultation and advise you on your options.


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