condensation on vinyl replacements

Old 12-20-04, 01:43 PM
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Question condensation on vinyl replacements

Question for anyone who knows -- is condensation on new vinyl replacement windows a typical thing? Had them placed in June and New England winter is coming and starting to see it on the inside. They are Atrium brand and are Energy star rated. What do you think?
Old 12-20-04, 02:25 PM
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Hi Squid!

In answer to your question I would say that it is not particularly rare.
I addressed this at length in a post a few steps down called "condensation". The comments there apply to your question as well. I would invite you to read that post, and then please post here (or there) with any specific questions about condensation that you might have, that I failed to address.
Old 12-20-04, 02:26 PM
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Condensation is caused by the humidity in the home. Some of the sources could be,Kitchens, baths, laundries, damp basements, fish tanks, house plants, humidifiers, obstructed vents, moisture in building materials/furnishings.

Install ventilation fans or dehumidifer to reduce the humidity. As the temp outside lowers the warmer air will condense on the cooler surface of the windows. You can purchase a humistat to check the humidity in the home. It should be around 45%.
If you lower the humidity too much you will develop static shock when you walk across carpeting in sock feet. Harmless minor shocking experience.

Hope this helps, Good luck and reply back if you have further questions on this.
Old 01-02-05, 08:12 PM
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This time of year there are always lots of posts about condensation on interior of windows. This is usually indicative of high humidity levels. Pick up a hygrometer where they sell thermometers. Normal humidity is between 35-55%. Humidity will tend to vary from room to room. Higher humidity tends to be found in bathrooms, kitchens, and adjacent areas. Run bathroom and kitchen fans for 20-30 minutes after bathing & cooking to exhaust humidity. A dehumidifier can also be used to reduce humidity in the home. Running fans will improve air circulation. You can improve air circulation around windows by keeping curtains & blinds open. Keep excess condensation wiped up to avoid mold/mildew problems and damage to window sills.

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