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Q: What causes condensation on windows?
A: Condensation, or 'sweating', is a natural occurrence on all windows and is caused by excess humidity, or invisible water vapor, present in the air. When this water vapor comes in contact with a surface which is at a cooler temperature, the vapor turns to visible droplets of moisture.
This should not be confused with moisture or 'fog' inside the glass or between the panes. This is comes from a break in the seal between the panes of glass. This condition is more cosmetic then functional and does not measurably reduce the thermal efficiency of the window. The typical cure is replace the glass unit in that sash although an older window should be replaced with a modern unit.
Here are a few tips on reducing the moist air in your home:
* Use fans in bathrooms, kitchens and laundry rooms to circulate the air.
* Air out your home frequently by opening doors and windows.
* Reduce the number of indoor house plants, as plants increase humidity
levels.
* Use a dehumidifier to remove excess humidity from the air.
Q: What are R-values and U-values?
A: R-value is the resistance a material has to heat flow. The higher the R-value, the greater the resistance.
U-value is the amount of heat transferred through a material. The lower the Uvalue, the slower the rate of heat flow and the better the insulating quality.
Q: What energy-saving options should I know about?
A: You should give careful consideration to Alside's Low-E Insulated Glass Package, featuring Low-E glass and argon gas. Low-E glass is an excellent barrier against ultraviolet rays which fade carpet, furniture, draperies, and even woodwork. Argon gas is colorless, odorless, nonflammable, non-toxic and above all, a safe, inert gas that is heavier than air. |
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