Since we cannot control the outside dew point temperature or relative humidity , the options for preventing exterior window condensation problems are to warm the inside surface of the window as a way to warm the outside surface. A tiny change in either temperature or humidity might raise or lower the dew point just a little bit and you might see a whole different level of condensation. Even raising the temperature in the room by a few degrees can make a difference.
So can using a fan, or just opening the window. Exterior shutters or even shade from trees will lessen the effect. In summary, condensation occurs when a surface falls below the dew point temperature of the air. The outside glass in an energy efficient window will be closer to the outside temperature, and the inside glass will be closer to the inside temperature.
The glass in an inefficient window will be more heavily influenced by both inside and outside temperatures. The condensation or fogging on the outside of a new window is quite common and perfectly normal. This awesome insulation can sometimes be physically seen by exterior condensation. Just remember that this means the window is doing its job.
Although, the extra loss of heat means heating your home will require more energy. If your windows have condensation between the panes, then the answer is yes. Getting new windows installed will stop condensation from appearing. For more information on our products and services, call us free on Alternatively, contact us online and we will get in touch with you to answer any questions you may have. Credit is subject to application and status.
Get a Quote Now. Book an Appointment. Visit Our Showroom. Should new windows have condensation? Windows do not cause condensation. But, windows are often the first place where condensation can be seen.
Your car windows fog up in humid weather or in winter when you have several passengers. And although condensation usually occurs in cold weather, it can occur during humid months when air conditioning is running. Condensation forms when warm, humid air contacts a cold surface. Moisture is in the air all around us and warmer air can hold more moisture.
As air cools, it contracts and its moisture condenses. When the temperature drops, the first place you will see any condensation is on the windows. Your windows are the coldest surfaces indoors. During colder months, indoor air is much warmer and holds more moisture than outdoor air, which is colder and dry. Warm, humid indoor air cools and contracts; as it contacts the cooler windows, the moisture condenses on the glass.
The most common cause of indoor air humidity is everyday living. Things like showers, baths, cooking, washing dishes, doing laundry, cleaning, and even breathing all add moisture to the air in your home, as much as four gallons or more per day in some homes. But the same things that block outdoor air from entering our homes also keep moisture from venting to the outdoors.
I have condensation on my double-glazed windows. Is it bad seals or indoor humidity? Before calling for repair service, try this easy test. Run your finger through the area where the condensation is formed. That tells you that condensation is forming because of excessive indoor humidity.
If your old windows were drafty, those cracks did more than just let in the wind; they allowed excess moisture to escape outdoors. Your windows are alerting you to excess humidity in your home. It was once believed that humidifiers used in the winter months would help people stay healthy.
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